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Date: Tue, 15 Sep 2009 17:19:42 +0100
From: Matthew Garrett <mjg@...hat.com>
To: rpurdie@...ys.net
Cc: linux-kernel@...r.kernel.org, Matthew Garrett <mjg@...hat.com>
Subject: [PATCH 2/3] backlight: Transition drivers to new backlight API
Mass transition of the backlight drivers to the new device allocation and
registration API.
Signed-off-by: Matthew Garrett <mjg@...hat.com>
---
drivers/acpi/video.c | 25 ++++++++++++++++++++++---
drivers/macintosh/via-pmu-backlight.c | 14 +++++++++++---
drivers/platform/x86/acer-wmi.c | 5 +++--
drivers/platform/x86/asus-laptop.c | 21 +++++++++++++++++----
drivers/platform/x86/asus_acpi.c | 19 +++++++++++++++----
drivers/platform/x86/compal-laptop.c | 13 ++++++++++---
drivers/platform/x86/dell-laptop.c | 13 +++++++++++--
drivers/platform/x86/eeepc-laptop.c | 20 ++++++++++++++++----
drivers/platform/x86/fujitsu-laptop.c | 19 ++++++++++++++-----
drivers/platform/x86/msi-laptop.c | 13 ++++++++++---
drivers/platform/x86/panasonic-laptop.c | 15 +++++++++++----
drivers/platform/x86/sony-laptop.c | 19 ++++++++++++++-----
drivers/platform/x86/thinkpad_acpi.c | 16 +++++++++++++---
drivers/platform/x86/toshiba_acpi.c | 20 ++++++++++++++++----
drivers/usb/misc/appledisplay.c | 21 ++++++++++++++++-----
drivers/video/atmel_lcdfb.c | 19 +++++++++++++++----
drivers/video/aty/aty128fb.c | 19 ++++++++++++++++---
drivers/video/aty/atyfb_base.c | 17 ++++++++++++++---
drivers/video/aty/radeon_backlight.c | 17 ++++++++++++++---
drivers/video/backlight/atmel-pwm-bl.c | 11 ++++++++---
drivers/video/backlight/corgi_lcd.c | 16 +++++++++++-----
drivers/video/backlight/cr_bllcd.c | 19 +++++++++++++++----
drivers/video/backlight/da903x_bl.c | 17 +++++++++++++----
drivers/video/backlight/generic_bl.c | 13 +++++++++++--
drivers/video/backlight/hp680_bl.c | 12 ++++++++++--
drivers/video/backlight/jornada720_bl.c | 16 +++++++++++++---
drivers/video/backlight/kb3886_bl.c | 13 +++++++++++--
drivers/video/backlight/locomolcd.c | 13 +++++++++++--
drivers/video/backlight/mbp_nvidia_bl.c | 15 +++++++++++++--
drivers/video/backlight/omap1_bl.c | 13 +++++++++++--
drivers/video/backlight/progear_bl.c | 12 ++++++++++--
drivers/video/backlight/pwm_bl.c | 15 ++++++++++++---
drivers/video/backlight/tosa_bl.c | 11 +++++++++--
drivers/video/bf54x-lq043fb.c | 7 +++++--
drivers/video/bfin-t350mcqb-fb.c | 7 +++++--
drivers/video/nvidia/nv_backlight.c | 17 ++++++++++++++---
drivers/video/riva/fbdev.c | 17 ++++++++++++++---
37 files changed, 454 insertions(+), 115 deletions(-)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 60ea984..7a10fec 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -980,11 +980,29 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
return;
sprintf(name, "acpi_video%d", count++);
- device->backlight = backlight_device_register(name,
- NULL, device, &acpi_backlight_ops);
+ device->backlight = backlight_alloc(name, NULL, device,
+ &acpi_backlight_ops);
+
+ if (IS_ERR(device->backlight)) {
+ printk(KERN_ERR PREFIX
+ "Unable to allocate backlight\n");
+ device->backlight = NULL;
+ return;
+ }
+
device->backlight->props.max_brightness = device->brightness->count-3;
kfree(name);
+ result = backlight_register(device->backlight);
+
+ if (result) {
+ printk(KERN_ERR PREFIX
+ "Unable to register backlight\n");
+ backlight_destroy(device->backlight);
+ device->backlight = NULL;
+ return;
+ }
+
result = sysfs_create_link(&device->backlight->dev.kobj,
&device->dev->dev.kobj, "device");
if (result)
@@ -2006,7 +2024,8 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
acpi_video_device_notify);
if (device->backlight) {
sysfs_remove_link(&device->backlight->dev.kobj, "device");
- backlight_device_unregister(device->backlight);
+ backlight_unregister(device->backlight);
+ backlight_destroy(device->backlight);
device->backlight = NULL;
}
if (device->cdev) {
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index a348bb0..364bc5e 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -146,7 +146,7 @@ void __init pmu_backlight_init()
{
struct backlight_device *bd;
char name[10];
- int level, autosave;
+ int level, autosave, rc;
/* Special case for the old PowerBook since I can't test on it */
autosave =
@@ -161,9 +161,9 @@ void __init pmu_backlight_init()
snprintf(name, sizeof(name), "pmubl");
- bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data);
+ bd = backlight_allocr(name, NULL, NULL, &pmu_backlight_data);
if (IS_ERR(bd)) {
- printk(KERN_ERR "PMU Backlight registration failed\n");
+ printk(KERN_ERR "PMU Backlight allocation failed\n");
return;
}
uses_pmu_bl = 1;
@@ -185,6 +185,14 @@ void __init pmu_backlight_init()
bd->props.brightness = level;
bd->props.power = FB_BLANK_UNBLANK;
+ rc = backlight_register(bd);
+
+ if (rc) {
+ printk(KERN_ERR "PMU Backlight allocation failed\n");
+ backlight_destroy(bd);
+ return;
+ }
+
backlight_update_status(bd);
printk(KERN_INFO "PMU Backlight initialized (%s)\n", name);
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index fb45f5e..ecc6d67 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -925,7 +925,7 @@ static int __devinit acer_backlight_init(struct device *dev)
{
struct backlight_device *bd;
- bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops);
+ bd = backlight_alloc("acer-wmi", dev, NULL, &acer_bl_ops);
if (IS_ERR(bd)) {
printk(ACER_ERR "Could not register Acer backlight device\n");
acer_backlight_device = NULL;
@@ -943,7 +943,8 @@ static int __devinit acer_backlight_init(struct device *dev)
static void acer_backlight_exit(void)
{
- backlight_device_unregister(acer_backlight_device);
+ backlight_unregister(acer_backlight_device);
+ backlight_destroy(acer_backlight_device);
}
/*
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index db657bb..beb9bdf 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1206,8 +1206,10 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
static void asus_backlight_exit(void)
{
- if (asus_backlight_device)
- backlight_device_unregister(asus_backlight_device);
+ if (asus_backlight_device) {
+ backlight_unregister(asus_backlight_device);
+ backlight_destroy(asus_backlight_device);
+ }
}
#define ASUS_LED_UNREGISTER(object) \
@@ -1245,12 +1247,13 @@ static void __exit asus_laptop_exit(void)
static int asus_backlight_init(struct device *dev)
{
struct backlight_device *bd;
+ int rc;
if (brightness_set_handle && lcd_switch_handle) {
- bd = backlight_device_register(ASUS_HOTK_FILE, dev,
+ bd = backlight_alloc(ASUS_HOTK_FILE, dev,
NULL, &asusbl_ops);
if (IS_ERR(bd)) {
- pr_err("Could not register asus backlight device\n");
+ pr_err("Could not allocate asus backlight device\n");
asus_backlight_device = NULL;
return PTR_ERR(bd);
}
@@ -1260,6 +1263,16 @@ static int asus_backlight_init(struct device *dev)
bd->props.max_brightness = 15;
bd->props.brightness = read_brightness(NULL);
bd->props.power = FB_BLANK_UNBLANK;
+
+ rc = backlight_register(bd);
+
+ if (rc) {
+ pr_err("Could not register asus backlight device\n");
+ asus_backlight_device = NULL;
+ backlight_destroy(bd);
+ return rc;
+ }
+
backlight_update_status(bd);
}
return 0;
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index ddf5240..39c5132 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -1409,8 +1409,10 @@ static struct backlight_ops asus_backlight_data = {
static void asus_acpi_exit(void)
{
- if (asus_backlight_device)
- backlight_device_unregister(asus_backlight_device);
+ if (asus_backlight_device) {
+ backlight_unregister(asus_backlight_device);
+ backlight_destroy(asus_backlight_device);
+ }
acpi_bus_unregister_driver(&asus_hotk_driver);
remove_proc_entry(PROC_ASUS, acpi_root_dir);
@@ -1450,16 +1452,25 @@ static int __init asus_acpi_init(void)
return -ENODEV;
}
- asus_backlight_device = backlight_device_register("asus", NULL, NULL,
+ asus_backlight_device = backlight_alloc("asus", NULL, NULL,
&asus_backlight_data);
if (IS_ERR(asus_backlight_device)) {
- printk(KERN_ERR "Could not register asus backlight device\n");
+ printk(KERN_ERR "Could not allocate asus backlight device\n");
asus_backlight_device = NULL;
asus_acpi_exit();
return -ENODEV;
}
asus_backlight_device->props.max_brightness = 15;
+ result = backlight_register(asus_backlight_device);
+ if (result) {
+ printk(KERN_ERR "Coult not register asus backlight device\n");
+ backlight_destroy(asus_backlight_device);
+ asus_backlight_device = NULL;
+ asus_acpi_exit();
+ return -ENODEV;
+ }
+
return 0;
}
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index 11003bb..3e8510d 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -327,12 +327,17 @@ static int __init compal_init(void)
/* Register backlight stuff */
if (!acpi_video_backlight_support()) {
- compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
+ compalbl_device = backlight_alloc("compal-laptop", NULL, NULL,
&compalbl_ops);
if (IS_ERR(compalbl_device))
return PTR_ERR(compalbl_device);
compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
+ ret = backlight_register(compalbl_device);
+ if (ret) {
+ backlight_destroy(compalbl_device);
+ return ret;
+ }
}
ret = platform_driver_register(&compal_driver);
@@ -375,7 +380,8 @@ fail_platform_driver:
fail_backlight:
- backlight_device_unregister(compalbl_device);
+ backlight_unregister(compalbl_device);
+ backlight_destroy(compalbl_device);
return ret;
}
@@ -386,7 +392,8 @@ static void __exit compal_cleanup(void)
sysfs_remove_group(&compal_device->dev.kobj, &compal_attribute_group);
platform_device_unregister(compal_device);
platform_driver_unregister(&compal_driver);
- backlight_device_unregister(compalbl_device);
+ backlight_unregister(compalbl_device);
+ backlight_destroy(compalbl_device);
printk(KERN_INFO "compal-laptop: driver unloaded.\n");
}
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 74909c4..413e313 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -350,7 +350,7 @@ static int __init dell_init(void)
}
if (max_intensity) {
- dell_backlight_device = backlight_device_register(
+ dell_backlight_device = backlight_alloc(
"dell_backlight",
NULL, NULL,
&dell_ops);
@@ -364,6 +364,14 @@ static int __init dell_init(void)
dell_backlight_device->props.max_brightness = max_intensity;
dell_backlight_device->props.brightness =
dell_get_intensity(dell_backlight_device);
+
+ ret = backlight_register(dell_backlight_device);
+ if (ret) {
+ backlight_destroy(dell_backlight_device);
+ dell_backlight_device = NULL;
+ goto out;
+ }
+
backlight_update_status(dell_backlight_device);
}
@@ -381,7 +389,8 @@ out:
static void __exit dell_exit(void)
{
- backlight_device_unregister(dell_backlight_device);
+ backlight_unregister(dell_backlight_device);
+ backlight_destroy(dell_backlight_device);
if (wifi_rfkill)
rfkill_unregister(wifi_rfkill);
if (bluetooth_rfkill)
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 222ffb8..99f0e8c 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -1012,8 +1012,10 @@ static struct attribute_group hwmon_attribute_group = {
*/
static void eeepc_backlight_exit(void)
{
- if (eeepc_backlight_device)
- backlight_device_unregister(eeepc_backlight_device);
+ if (eeepc_backlight_device) {
+ backlight_unregister(eeepc_backlight_device);
+ backlight_destroy(eeepc_backlight_device);
+ }
eeepc_backlight_device = NULL;
}
@@ -1137,11 +1139,12 @@ exit:
static int eeepc_backlight_init(struct device *dev)
{
struct backlight_device *bd;
+ int ret;
- bd = backlight_device_register(EEEPC_HOTK_FILE, dev,
+ bd = backlight_alloc(EEEPC_HOTK_FILE, dev,
NULL, &eeepcbl_ops);
if (IS_ERR(bd)) {
- pr_err("Could not register eeepc backlight device\n");
+ pr_err("Could not allocate eeepc backlight device\n");
eeepc_backlight_device = NULL;
return PTR_ERR(bd);
}
@@ -1149,6 +1152,15 @@ static int eeepc_backlight_init(struct device *dev)
bd->props.max_brightness = 15;
bd->props.brightness = read_brightness(NULL);
bd->props.power = FB_BLANK_UNBLANK;
+
+ ret = backlight_register(eeepc_backlight_device);
+ if (ret) {
+ pr_err("Could not register eeepc backlight device\n");
+ backlight_destroy(eeepc_backlight_device);
+ eeepc_backlight_device = NULL;
+ return ret;
+ }
+
backlight_update_status(bd);
return 0;
}
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 218b9a1..ec59be5 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -1128,13 +1128,18 @@ static int __init fujitsu_init(void)
if (!acpi_video_backlight_support()) {
fujitsu->bl_device =
- backlight_device_register("fujitsu-laptop", NULL, NULL,
+ backlight_alloc("fujitsu-laptop", NULL, NULL,
&fujitsubl_ops);
if (IS_ERR(fujitsu->bl_device))
return PTR_ERR(fujitsu->bl_device);
max_brightness = fujitsu->max_brightness;
fujitsu->bl_device->props.max_brightness = max_brightness - 1;
fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
+ ret = backlight_register(fujitsu->bl_device);
+ if (ret) {
+ backlight_destroy(fujitsu->bl_device);
+ return ret;
+ }
}
ret = platform_driver_register(&fujitsupf_driver);
@@ -1180,8 +1185,10 @@ fail_hotkey:
fail_backlight:
- if (fujitsu->bl_device)
- backlight_device_unregister(fujitsu->bl_device);
+ if (fujitsu->bl_device) {
+ backlight_unregister(fujitsu->bl_device);
+ backlight_destroy(fujitsu->bl_device);
+ }
fail_platform_device2:
@@ -1216,8 +1223,10 @@ static void __exit fujitsu_cleanup(void)
&fujitsupf_attribute_group);
platform_device_unregister(fujitsu->pf_device);
platform_driver_unregister(&fujitsupf_driver);
- if (fujitsu->bl_device)
- backlight_device_unregister(fujitsu->bl_device);
+ if (fujitsu->bl_device) {
+ backlight_unregister(fujitsu->bl_device);
+ backlight_destroy(fujitsu->bl_device);
+ }
acpi_bus_unregister_driver(&acpi_fujitsu_driver);
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 759763d..4a91572 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -351,11 +351,16 @@ static int __init msi_init(void)
printk(KERN_INFO "MSI: Brightness ignored, must be controlled "
"by ACPI video driver\n");
} else {
- msibl_device = backlight_device_register("msi-laptop-bl", NULL,
+ msibl_device = backlight_alloc("msi-laptop-bl", NULL,
NULL, &msibl_ops);
if (IS_ERR(msibl_device))
return PTR_ERR(msibl_device);
msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
+ ret = backlight_register(msibl_device);
+ if (ret) {
+ backlight_destroy(msibl_device);
+ return ret;
+ }
}
ret = platform_driver_register(&msipf_driver);
@@ -403,7 +408,8 @@ fail_platform_driver:
fail_backlight:
- backlight_device_unregister(msibl_device);
+ backlight_unregister(msibl_device);
+ backlight_destroy(msibl_device);
return ret;
}
@@ -414,7 +420,8 @@ static void __exit msi_cleanup(void)
sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);
platform_device_unregister(msipf_device);
platform_driver_unregister(&msipf_driver);
- backlight_device_unregister(msibl_device);
+ backlight_unregister(msibl_device);
+ backlight_destroy(msibl_device);
/* Enable automatic brightness control again */
if (auto_brightness != 2)
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index fe7cf01..f37e054 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -642,7 +642,7 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
}
/* initialize backlight */
- pcc->backlight = backlight_device_register("panasonic", NULL, pcc,
+ pcc->backlight = backlight_alloc("panasonic", NULL, pcc,
&pcc_backlight_ops);
if (IS_ERR(pcc->backlight))
goto out_input;
@@ -650,7 +650,7 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Couldn't retrieve BIOS data\n"));
- goto out_backlight;
+ goto out_backlight_alloc;
}
/* read the initial brightness setting from the hardware */
@@ -658,6 +658,10 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
pcc->sinf[SINF_AC_MAX_BRIGHT];
pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];
+ result = backlight_register(pcc->backlight);
+ if (result)
+ goto out_backlight_alloc;
+
/* read the initial sticky key mode from the hardware */
pcc->sticky_mode = pcc->sinf[SINF_STICKY_KEY];
@@ -669,7 +673,9 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
return 0;
out_backlight:
- backlight_device_unregister(pcc->backlight);
+ backlight_unregister(pcc->backlight);
+out_backlight_alloc:
+ backlight_destroy(pcc->backlight);
out_input:
input_unregister_device(pcc->input_dev);
/* no need to input_free_device() since core input API refcount and
@@ -708,7 +714,8 @@ static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
sysfs_remove_group(&device->dev.kobj, &pcc_attr_group);
- backlight_device_unregister(pcc->backlight);
+ backlight_unregister(pcc->backlight);
+ backlight_destroy(pcc->backlight);
input_unregister_device(pcc->input_dev);
/* no need to input_free_device() since core input API refcount and
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index dafaa4a..3a1dd85 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1240,7 +1240,7 @@ static int sony_nc_add(struct acpi_device *device)
"controlled by ACPI video driver\n");
} else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
&handle))) {
- sony_backlight_device = backlight_device_register("sony", NULL,
+ sony_backlight_device = backlight_alloc("sony", NULL,
NULL,
&sony_backlight_ops);
@@ -1253,6 +1253,11 @@ static int sony_nc_add(struct acpi_device *device)
(sony_backlight_device);
sony_backlight_device->props.max_brightness =
SONY_MAX_BRIGHTNESS - 1;
+ result = backlight_register(sony_backlight_device);
+ if (result) {
+ backlight_destroy(sony_backlight_device);
+ sony_backlight_device = NULL;
+ }
}
}
@@ -1309,8 +1314,10 @@ static int sony_nc_add(struct acpi_device *device)
sony_pf_remove();
outbacklight:
- if (sony_backlight_device)
- backlight_device_unregister(sony_backlight_device);
+ if (sony_backlight_device) {
+ backlight_unregister(sony_backlight_device);
+ backlight_destroy(sony_backlight_device);
+ }
sony_laptop_remove_input();
@@ -1323,8 +1330,10 @@ static int sony_nc_remove(struct acpi_device *device, int type)
{
struct sony_nc_value *item;
- if (sony_backlight_device)
- backlight_device_unregister(sony_backlight_device);
+ if (sony_backlight_device) {
+ backlight_unregister(sony_backlight_device);
+ backlight_destroy(sony_backlight_device);
+ }
sony_nc_acpi_device = NULL;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index e856008..f9158fe 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -5763,11 +5763,11 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
printk(TPACPI_INFO
"detected a 16-level brightness capable ThinkPad\n");
- ibm_backlight_device = backlight_device_register(
+ ibm_backlight_device = backlight_alloc(
TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL,
&ibm_backlight_data);
if (IS_ERR(ibm_backlight_device)) {
- printk(TPACPI_ERR "Could not register backlight device\n");
+ printk(TPACPI_ERR "Could not allocate backlight device\n");
return PTR_ERR(ibm_backlight_device);
}
vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
@@ -5785,6 +5785,15 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
ibm_backlight_device->props.max_brightness =
(tp_features.bright_16levels)? 15 : 7;
ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK;
+
+ b = backlight_register(ibm_backlight_device);
+ if (b) {
+ printk(TPACPI_ERR "Could not register backlight device\n");
+ backlight_destroy(ibm_backlight_device);
+ return b;
+ }
+
+
backlight_update_status(ibm_backlight_device);
return 0;
@@ -5805,7 +5814,8 @@ static void brightness_exit(void)
if (ibm_backlight_device) {
vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_BRGHT,
"calling backlight_device_unregister()\n");
- backlight_device_unregister(ibm_backlight_device);
+ backlight_unregister(ibm_backlight_device);
+ backlight_destroy(ibm_backlight_device);
}
tpacpi_brightness_checkpoint_nvram();
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 51c0a8b..b1da397 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -683,8 +683,10 @@ static void toshiba_acpi_exit(void)
rfkill_destroy(toshiba_acpi.bt_rfk);
}
- if (toshiba_backlight_device)
- backlight_device_unregister(toshiba_backlight_device);
+ if (toshiba_backlight_device) {
+ backlight_unregister(toshiba_backlight_device);
+ backlight_destroy(toshiba_backlight_device);
+ }
remove_device();
@@ -748,20 +750,30 @@ static int __init toshiba_acpi_init(void)
}
}
- toshiba_backlight_device = backlight_device_register("toshiba",
+ toshiba_backlight_device = backlight_alloc("toshiba",
&toshiba_acpi.p_dev->dev,
NULL,
&toshiba_backlight_data);
if (IS_ERR(toshiba_backlight_device)) {
ret = PTR_ERR(toshiba_backlight_device);
- printk(KERN_ERR "Could not register toshiba backlight device\n");
+ printk(KERN_ERR "Could not allocate toshiba backlight device\n");
toshiba_backlight_device = NULL;
toshiba_acpi_exit();
return ret;
}
toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
+ ret = backlight_register(toshiba_backlight_device);
+ if (ret) {
+ printk(KERN_ERR "Could not register toshiba backlight device\n");
+ backlight_destroy(toshiba_backlight_device);
+ toshiba_backlight_device = NULL;
+ toshiba_acpi_exit();
+ return ret;
+ }
+
+
/* Register rfkill switch for Bluetooth */
if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) {
toshiba_acpi.bt_rfk = rfkill_alloc(toshiba_acpi.bt_name,
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 1d8e39a..6a6aeb1 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -278,10 +278,10 @@ static int appledisplay_probe(struct usb_interface *iface,
/* Register backlight device */
snprintf(bl_name, sizeof(bl_name), "appledisplay%d",
atomic_inc_return(&count_displays) - 1);
- pdata->bd = backlight_device_register(bl_name, NULL, pdata,
+ pdata->bd = backlight_alloc(bl_name, NULL, pdata,
&appledisplay_bl_data);
if (IS_ERR(pdata->bd)) {
- dev_err(&iface->dev, "Backlight registration failed\n");
+ dev_err(&iface->dev, "Backlight allocation failed\n");
goto error;
}
@@ -300,6 +300,14 @@ static int appledisplay_probe(struct usb_interface *iface,
/* Set brightness in backlight device */
pdata->bd->props.brightness = brightness;
+ retval = backlight_register(pdata->bd);
+ if (retval) {
+ dev_err(&iface->dev, "Backlight registration failed\n");
+ backlight_destroy(pdata->bd);
+ goto error;
+ }
+
+
/* save our data pointer in the interface device */
usb_set_intfdata(iface, pdata);
@@ -316,8 +324,10 @@ error:
pdata->urbdata, pdata->urb->transfer_dma);
usb_free_urb(pdata->urb);
}
- if (pdata->bd && !IS_ERR(pdata->bd))
- backlight_device_unregister(pdata->bd);
+ if (pdata->bd && !IS_ERR(pdata->bd)) {
+ backlight_unregister(pdata->bd);
+ backlight_destroy(pdata->bd);
+ }
kfree(pdata->msgdata);
}
usb_set_intfdata(iface, NULL);
@@ -332,7 +342,8 @@ static void appledisplay_disconnect(struct usb_interface *iface)
if (pdata) {
usb_kill_urb(pdata->urb);
cancel_delayed_work(&pdata->work);
- backlight_device_unregister(pdata->bd);
+ backlight_unregister(pdata->bd);
+ backlight_destroy(pdata->bd);
usb_buffer_free(pdata->udev, ACD_URB_BUFFER_LEN,
pdata->urbdata, pdata->urb->transfer_dma);
usb_free_urb(pdata->urb);
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 2830ffd..2244bc1 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -118,16 +118,17 @@ static struct backlight_ops atmel_lcdc_bl_ops = {
static void init_backlight(struct atmel_lcdfb_info *sinfo)
{
struct backlight_device *bl;
+ int ret;
sinfo->bl_power = FB_BLANK_UNBLANK;
if (sinfo->backlight)
return;
- bl = backlight_device_register("backlight", &sinfo->pdev->dev,
+ bl = backlight_alloc("backlight", &sinfo->pdev->dev,
sinfo, &atmel_lcdc_bl_ops);
if (IS_ERR(bl)) {
- dev_err(&sinfo->pdev->dev, "error %ld on backlight register\n",
+ dev_err(&sinfo->pdev->dev, "error %ld on backlight allocate\n",
PTR_ERR(bl));
return;
}
@@ -137,12 +138,22 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo)
bl->props.fb_blank = FB_BLANK_UNBLANK;
bl->props.max_brightness = 0xff;
bl->props.brightness = atmel_bl_get_brightness(bl);
+
+ ret = backlight_register(bl);
+ if (ret) {
+ dev_err(&sinfo->pdev->dev, "error %d on backlight register\n",
+ ret);
+ backlight_destroy(bl);
+ return;
+ }
}
static void exit_backlight(struct atmel_lcdfb_info *sinfo)
{
- if (sinfo->backlight)
- backlight_device_unregister(sinfo->backlight);
+ if (sinfo->backlight) {
+ backlight_unregister(sinfo->backlight);
+ backlight_destroy(sinfo->backlight);
+ }
}
#else
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index e4e4d43..66293c1 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1805,6 +1805,7 @@ static void aty128_bl_init(struct aty128fb_par *par)
struct fb_info *info = pci_get_drvdata(par->pdev);
struct backlight_device *bd;
char name[12];
+ int ret;
/* Could be extended to Rage128Pro LVDS output too */
if (par->chip_gen != rage_M3)
@@ -1817,10 +1818,10 @@ static void aty128_bl_init(struct aty128fb_par *par)
snprintf(name, sizeof(name), "aty128bl%d", info->node);
- bd = backlight_device_register(name, info->dev, par, &aty128_bl_data);
+ bd = backlight_alloc(name, info->dev, par, &aty128_bl_data);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
- printk(KERN_WARNING "aty128: Backlight registration failed\n");
+ printk(KERN_WARNING "aty128: Backlight allocation failed\n");
goto error;
}
@@ -1832,6 +1833,17 @@ static void aty128_bl_init(struct aty128fb_par *par)
bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
+
+ ret = backlight_register(bd);
+
+ if (ret) {
+ backlight_destroy(info->bl_dev);
+ info->bl_dev = NULL;
+ printk(KERN_WARNING "aty128: Backlight registration failed\n");
+ goto error;
+ }
+
+
backlight_update_status(bd);
printk("aty128: Backlight initialized (%s)\n", name);
@@ -1844,7 +1856,8 @@ error:
static void aty128_bl_exit(struct backlight_device *bd)
{
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
printk("aty128: Backlight unloaded\n");
}
#endif /* CONFIG_FB_ATY128_BACKLIGHT */
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 63d3739..1327392 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2175,6 +2175,7 @@ static void aty_bl_init(struct atyfb_par *par)
struct fb_info *info = pci_get_drvdata(par->pdev);
struct backlight_device *bd;
char name[12];
+ int ret;
#ifdef CONFIG_PMAC_BACKLIGHT
if (!pmac_has_backlight_type("ati"))
@@ -2183,10 +2184,10 @@ static void aty_bl_init(struct atyfb_par *par)
snprintf(name, sizeof(name), "atybl%d", info->node);
- bd = backlight_device_register(name, info->dev, par, &aty_bl_data);
+ bd = backlight_alloc(name, info->dev, par, &aty_bl_data);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
- printk(KERN_WARNING "aty: Backlight registration failed\n");
+ printk(KERN_WARNING "aty: Backlight allocation failed\n");
goto error;
}
@@ -2198,6 +2199,15 @@ static void aty_bl_init(struct atyfb_par *par)
bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
+
+ ret = backlight_register(bd);
+ if (IS_ERR(bd)) {
+ backlight_destroy(bd);
+ info->bl_dev = NULL;
+ printk(KERN_WARNING "aty: Backlight registration failed\n");
+ goto error;
+ }
+
backlight_update_status(bd);
printk("aty: Backlight initialized (%s)\n", name);
@@ -2210,7 +2220,8 @@ error:
static void aty_bl_exit(struct backlight_device *bd)
{
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
printk("aty: Backlight unloaded\n");
}
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 1a056ad..72fecf1 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -137,6 +137,7 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
struct backlight_device *bd;
struct radeon_bl_privdata *pdata;
char name[12];
+ int ret;
if (rinfo->mon1_type != MT_LCD)
return;
@@ -155,10 +156,10 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
snprintf(name, sizeof(name), "radeonbl%d", rinfo->info->node);
- bd = backlight_device_register(name, rinfo->info->dev, pdata, &radeon_bl_data);
+ bd = backlight_alloc(name, rinfo->info->dev, pdata, &radeon_bl_data);
if (IS_ERR(bd)) {
rinfo->info->bl_dev = NULL;
- printk("radeonfb: Backlight registration failed\n");
+ printk(KERN_INFO "radeonfb: Backlight allocation failed\n");
goto error;
}
@@ -188,6 +189,15 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
+
+ ret = backlight_register(bd);
+ if (ret) {
+ backlight_destroy(bd);
+ rinfo->info->bl_dev = NULL;
+ printk(KERN_INFO "radeonfb: Backlight registration failed\n");
+ goto error;
+ }
+
backlight_update_status(bd);
printk("radeonfb: Backlight initialized (%s)\n", name);
@@ -207,7 +217,8 @@ void radeonfb_bl_exit(struct radeonfb_info *rinfo)
struct radeon_bl_privdata *pdata;
pdata = bl_get_data(bd);
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
kfree(pdata);
rinfo->info->bl_dev = NULL;
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 505c082..deacfb1 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -165,7 +165,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
goto err_free_gpio;
}
- bldev = backlight_device_register("atmel-pwm-bl",
+ bldev = backlight_alloc("atmel-pwm-bl",
&pdev->dev, pwmbl, &atmel_pwm_bl_ops);
if (IS_ERR(bldev)) {
retval = PTR_ERR(bldev);
@@ -187,11 +187,15 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
atmel_pwm_bl_set_intensity(bldev);
+ retval = backlight_register(bldev);
+ if (retval)
+ goto err_free_bl_dev;
+
return 0;
err_free_bl_dev:
platform_set_drvdata(pdev, NULL);
- backlight_device_unregister(bldev);
+ backlight_destroy(bldev);
err_free_gpio:
if (pwmbl->gpio_on != -1)
gpio_free(pwmbl->gpio_on);
@@ -212,7 +216,8 @@ static int __exit atmel_pwm_bl_remove(struct platform_device *pdev)
}
pwm_channel_disable(&pwmbl->pwmc);
pwm_channel_free(&pwmbl->pwmc);
- backlight_device_unregister(pwmbl->bldev);
+ backlight_unregister(pwmbl->bldev);
+ backlight_destroy(pwmbl->bldev);
platform_set_drvdata(pdev, NULL);
kfree(pwmbl);
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
index f8a4bb2..3da3571 100644
--- a/drivers/video/backlight/corgi_lcd.c
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -558,7 +558,7 @@ static int __devinit corgi_lcd_probe(struct spi_device *spi)
lcd->power = FB_BLANK_POWERDOWN;
lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA;
- lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev,
+ lcd->bl_dev = backlight_alloc("corgi_bl", &spi->dev,
lcd, &corgi_bl_ops);
if (IS_ERR(lcd->bl_dev)) {
ret = PTR_ERR(lcd->bl_dev);
@@ -570,20 +570,25 @@ static int __devinit corgi_lcd_probe(struct spi_device *spi)
ret = setup_gpio_backlight(lcd, pdata);
if (ret)
- goto err_unregister_bl;
+ goto err_free_bl;
lcd->kick_battery = pdata->kick_battery;
dev_set_drvdata(&spi->dev, lcd);
corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK);
+
+ ret = backlight_register(lcd->bl_dev);
+ if (ret)
+ goto err_free_bl;
+
backlight_update_status(lcd->bl_dev);
lcd->limit_mask = pdata->limit_mask;
the_corgi_lcd = lcd;
return 0;
-err_unregister_bl:
- backlight_device_unregister(lcd->bl_dev);
+err_free_bl:
+ backlight_destroy(lcd->bl_dev);
err_unregister_lcd:
lcd_device_unregister(lcd->lcd_dev);
err_free_lcd:
@@ -598,7 +603,8 @@ static int __devexit corgi_lcd_remove(struct spi_device *spi)
lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
lcd->bl_dev->props.brightness = 0;
backlight_update_status(lcd->bl_dev);
- backlight_device_unregister(lcd->bl_dev);
+ backlight_unregister(lcd->bl_dev);
+ backlight_destroy(lcd->bl_dev);
if (gpio_is_valid(lcd->gpio_backlight_on))
gpio_free(lcd->gpio_backlight_on);
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index b9fe62b..2a73cea 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -174,6 +174,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
struct lcd_device *ldp;
struct cr_panel *crp;
u8 dev_en;
+ int ret;
lpc_dev = pci_get_device(PCI_VENDOR_ID_INTEL,
CRVML_DEVICE_LPC, NULL);
@@ -190,7 +191,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
return -ENODEV;
}
- bdp = backlight_device_register("cr-backlight",
+ bdp = backlight_alloc("cr-backlight",
&pdev->dev, NULL, &cr_backlight_ops);
if (IS_ERR(bdp)) {
pci_dev_put(lpc_dev);
@@ -199,7 +200,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
ldp = lcd_device_register("cr-lcd", &pdev->dev, NULL, &cr_lcd_ops);
if (IS_ERR(ldp)) {
- backlight_device_unregister(bdp);
+ backlight_destroy(bdp);
pci_dev_put(lpc_dev);
return PTR_ERR(bdp);
}
@@ -211,7 +212,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
crp = kzalloc(sizeof(*crp), GFP_KERNEL);
if (!crp) {
lcd_device_unregister(ldp);
- backlight_device_unregister(bdp);
+ backlight_destroy(bdp);
pci_dev_put(lpc_dev);
return -ENOMEM;
}
@@ -223,6 +224,15 @@ static int cr_backlight_probe(struct platform_device *pdev)
crp->cr_backlight_device->props.max_brightness = 0;
cr_backlight_set_intensity(crp->cr_backlight_device);
+ ret = backlight_register(bdp);
+ if (ret) {
+ kfree(crp);
+ lcd_device_unregister(ldp);
+ backlight_destroy(bdp);
+ pci_dev_put(lpc_dev);
+ return ret;
+ }
+
cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK);
platform_set_drvdata(pdev, crp);
@@ -238,7 +248,8 @@ static int cr_backlight_remove(struct platform_device *pdev)
crp->cr_backlight_device->props.max_brightness = 0;
cr_backlight_set_intensity(crp->cr_backlight_device);
cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_POWERDOWN);
- backlight_device_unregister(crp->cr_backlight_device);
+ backlight_unregister(crp->cr_backlight_device);
+ backlight_destroy(crp->cr_backlight_device);
lcd_device_unregister(crp->cr_lcd_device);
pci_dev_put(lpc_dev);
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index 93bb434..87f6dc9 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -103,7 +103,7 @@ static int da903x_backlight_probe(struct platform_device *pdev)
{
struct da903x_backlight_data *data;
struct backlight_device *bl;
- int max_brightness;
+ int max_brightness, ret;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL)
@@ -127,10 +127,10 @@ static int da903x_backlight_probe(struct platform_device *pdev)
data->da903x_dev = pdev->dev.parent;
data->current_brightness = 0;
- bl = backlight_device_register(pdev->name, data->da903x_dev,
+ bl = backlight_alloc(pdev->name, data->da903x_dev,
data, &da903x_backlight_ops);
if (IS_ERR(bl)) {
- dev_err(&pdev->dev, "failed to register backlight\n");
+ dev_err(&pdev->dev, "failed to allocate backlight\n");
kfree(data);
return PTR_ERR(bl);
}
@@ -138,6 +138,14 @@ static int da903x_backlight_probe(struct platform_device *pdev)
bl->props.max_brightness = max_brightness;
bl->props.brightness = max_brightness;
+ ret = backlight_register(bl);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register backlight\n");
+ backlight_destroy(bl);
+ kfree(data);
+ return ret;
+ }
+
platform_set_drvdata(pdev, bl);
backlight_update_status(bl);
return 0;
@@ -148,7 +156,8 @@ static int da903x_backlight_remove(struct platform_device *pdev)
struct backlight_device *bl = platform_get_drvdata(pdev);
struct da903x_backlight_data *data = bl_get_data(bl);
- backlight_device_unregister(bl);
+ backlight_unregister(bl);
+ backlight_destroy(bl);
kfree(data);
return 0;
}
diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c
index 6d27f62..903e3d7 100644
--- a/drivers/video/backlight/generic_bl.c
+++ b/drivers/video/backlight/generic_bl.c
@@ -81,6 +81,7 @@ static int genericbl_probe(struct platform_device *pdev)
struct generic_bl_info *machinfo = pdev->dev.platform_data;
const char *name = "generic-bl";
struct backlight_device *bd;
+ int ret;
bl_machinfo = machinfo;
if (!machinfo->limit_mask)
@@ -89,7 +90,7 @@ static int genericbl_probe(struct platform_device *pdev)
if (machinfo->name)
name = machinfo->name;
- bd = backlight_device_register (name,
+ bd = backlight_alloc(name,
&pdev->dev, NULL, &genericbl_ops);
if (IS_ERR (bd))
return PTR_ERR (bd);
@@ -99,6 +100,13 @@ static int genericbl_probe(struct platform_device *pdev)
bd->props.max_brightness = machinfo->max_intensity;
bd->props.power = FB_BLANK_UNBLANK;
bd->props.brightness = machinfo->default_intensity;
+
+ ret = backlight_register(bd);
+ if (ret) {
+ backlight_destroy(bd);
+ return ret;
+ }
+
backlight_update_status(bd);
generic_backlight_device = bd;
@@ -115,7 +123,8 @@ static int genericbl_remove(struct platform_device *pdev)
bd->props.brightness = 0;
backlight_update_status(bd);
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
printk("Generic Backlight Driver Unloaded\n");
return 0;
diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index 5be55a2..bff2817 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -106,8 +106,9 @@ static struct backlight_ops hp680bl_ops = {
static int __init hp680bl_probe(struct platform_device *pdev)
{
struct backlight_device *bd;
+ int ret;
- bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL,
+ bd = backlight_alloc("hp680-bl", &pdev->dev, NULL,
&hp680bl_ops);
if (IS_ERR(bd))
return PTR_ERR(bd);
@@ -118,6 +119,12 @@ static int __init hp680bl_probe(struct platform_device *pdev)
bd->props.brightness = HP680_DEFAULT_INTENSITY;
hp680bl_send_intensity(bd);
+ ret = backlight_register(bd);
+ if (ret) {
+ backlight_destroy(bd);
+ return ret;
+ }
+
return 0;
}
@@ -129,7 +136,8 @@ static int hp680bl_remove(struct platform_device *pdev)
bd->props.power = 0;
hp680bl_send_intensity(bd);
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
return 0;
}
diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c
index 7aed256..a9911dc 100644
--- a/drivers/video/backlight/jornada720_bl.c
+++ b/drivers/video/backlight/jornada720_bl.c
@@ -104,11 +104,12 @@ static int jornada_bl_probe(struct platform_device *pdev)
int ret;
struct backlight_device *bd;
- bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL, &jornada_bl_ops);
+ bd = backlight_alloc(S1D_DEVICENAME, &pdev->dev, NULL, &jornada_bl_ops);
if (IS_ERR(bd)) {
ret = PTR_ERR(bd);
- printk(KERN_ERR "bl : failed to register device, err=%x\n", ret);
+ printk(KERN_ERR "bl : failed to allocate device, err=%x\n",
+ ret);
return ret;
}
@@ -120,6 +121,14 @@ static int jornada_bl_probe(struct platform_device *pdev)
bd->props.max_brightness = BL_MAX_BRIGHT;
jornada_bl_update_status(bd);
+ ret = backlight_register(bd);
+ if (ret) {
+ backlight_destroy(bd);
+ printk(KERN_ERR "bl : failed to register device, err=%x\n",
+ ret);
+ return ret;
+ }
+
platform_set_drvdata(pdev, bd);
printk(KERN_INFO "HP Jornada 700 series backlight driver\n");
@@ -130,7 +139,8 @@ static int jornada_bl_remove(struct platform_device *pdev)
{
struct backlight_device *bd = platform_get_drvdata(pdev);
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
return 0;
}
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
index a38fda1..8ac42ff 100644
--- a/drivers/video/backlight/kb3886_bl.c
+++ b/drivers/video/backlight/kb3886_bl.c
@@ -142,12 +142,13 @@ static struct backlight_ops kb3886bl_ops = {
static int kb3886bl_probe(struct platform_device *pdev)
{
struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data;
+ int ret;
bl_machinfo = machinfo;
if (!machinfo->limit_mask)
machinfo->limit_mask = -1;
- kb3886_backlight_device = backlight_device_register("kb3886-bl",
+ kb3886_backlight_device = backlight_alloc("kb3886-bl",
&pdev->dev, NULL, &kb3886bl_ops);
if (IS_ERR(kb3886_backlight_device))
return PTR_ERR(kb3886_backlight_device);
@@ -157,6 +158,13 @@ static int kb3886bl_probe(struct platform_device *pdev)
kb3886_backlight_device->props.max_brightness = machinfo->max_intensity;
kb3886_backlight_device->props.power = FB_BLANK_UNBLANK;
kb3886_backlight_device->props.brightness = machinfo->default_intensity;
+
+ ret = backlight_register(kb3886_backlight_device);
+ if (ret) {
+ backlight_destroy(kb3886_backlight_device);
+ return ret;
+ }
+
backlight_update_status(kb3886_backlight_device);
return 0;
@@ -166,7 +174,8 @@ static int kb3886bl_remove(struct platform_device *pdev)
{
struct backlight_device *bd = platform_get_drvdata(pdev);
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
return 0;
}
diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index 6b488b8..e686104 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -168,6 +168,7 @@ static int locomolcd_resume(struct locomo_dev *dev)
static int locomolcd_probe(struct locomo_dev *ldev)
{
unsigned long flags;
+ int ret;
local_irq_save(flags);
locomolcd_dev = ldev;
@@ -182,7 +183,8 @@ static int locomolcd_probe(struct locomo_dev *ldev)
local_irq_restore(flags);
- locomolcd_bl_device = backlight_device_register("locomo-bl", &ldev->dev, NULL, &locomobl_data);
+ locomolcd_bl_device = backlight_alloc("locomo-bl", &ldev->dev, NULL,
+ &locomobl_data);
if (IS_ERR (locomolcd_bl_device))
return PTR_ERR (locomolcd_bl_device);
@@ -192,6 +194,12 @@ static int locomolcd_probe(struct locomo_dev *ldev)
locomolcd_bl_device->props.brightness = 2;
locomolcd_set_intensity(locomolcd_bl_device);
+ ret = backlight_register(locomolcd_bl_device);
+ if (ret) {
+ backlight_destroy(locomolcd_bl_device);
+ return ret;
+ }
+
return 0;
}
@@ -203,7 +211,8 @@ static int locomolcd_remove(struct locomo_dev *dev)
locomolcd_bl_device->props.power = 0;
locomolcd_set_intensity(locomolcd_bl_device);
- backlight_device_unregister(locomolcd_bl_device);
+ backlight_unregister(locomolcd_bl_device);
+ backlight_destroy(locomolcd_bl_device);
local_irq_save(flags);
locomolcd_dev = NULL;
local_irq_restore(flags);
diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c
index 3bb4c0a..1cc7c4e 100644
--- a/drivers/video/backlight/mbp_nvidia_bl.c
+++ b/drivers/video/backlight/mbp_nvidia_bl.c
@@ -196,6 +196,8 @@ static const struct dmi_system_id __initdata mbp_device_table[] = {
static int __init mbp_init(void)
{
+ int ret;
+
if (!dmi_check_system(mbp_device_table))
return -ENODEV;
@@ -203,7 +205,7 @@ static int __init mbp_init(void)
"Macbook Pro backlight"))
return -ENXIO;
- mbp_backlight_device = backlight_device_register("mbp_backlight",
+ mbp_backlight_device = backlight_alloc("mbp_backlight",
NULL, NULL, &driver_data->backlight_ops);
if (IS_ERR(mbp_backlight_device)) {
release_region(driver_data->iostart, driver_data->iolen);
@@ -213,6 +215,14 @@ static int __init mbp_init(void)
mbp_backlight_device->props.max_brightness = 15;
mbp_backlight_device->props.brightness =
driver_data->backlight_ops.get_brightness(mbp_backlight_device);
+
+ ret = backlight_register(mbp_backlight_device);
+ if (ret) {
+ backlight_destroy(mbp_backlight_device);
+ release_region(driver_data->iostart, driver_data->iolen);
+ return ret;
+ }
+
backlight_update_status(mbp_backlight_device);
return 0;
@@ -220,7 +230,8 @@ static int __init mbp_init(void)
static void __exit mbp_exit(void)
{
- backlight_device_unregister(mbp_backlight_device);
+ backlight_unregister(mbp_backlight_device);
+ backlight_destroy(mbp_backlight_device);
release_region(driver_data->iostart, driver_data->iolen);
}
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index cbad67e..b8a707a 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -135,6 +135,7 @@ static int omapbl_probe(struct platform_device *pdev)
struct backlight_device *dev;
struct omap_backlight *bl;
struct omap_backlight_config *pdata = pdev->dev.platform_data;
+ int ret;
if (!pdata)
return -ENXIO;
@@ -145,7 +146,7 @@ static int omapbl_probe(struct platform_device *pdev)
if (unlikely(!bl))
return -ENOMEM;
- dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops);
+ dev = backlight_alloc("omap-bl", &pdev->dev, bl, &omapbl_ops);
if (IS_ERR(dev)) {
kfree(bl);
return PTR_ERR(dev);
@@ -166,6 +167,13 @@ static int omapbl_probe(struct platform_device *pdev)
dev->props.brightness = pdata->default_intensity;
omapbl_update_status(dev);
+ ret = backlight_register(dev);
+ if (ret) {
+ backlight_destroy(dev);
+ kfree(bl);
+ return ret;
+ }
+
printk(KERN_INFO "OMAP LCD backlight initialised\n");
return 0;
@@ -176,7 +184,8 @@ static int omapbl_remove(struct platform_device *pdev)
struct backlight_device *dev = platform_get_drvdata(pdev);
struct omap_backlight *bl = dev_get_drvdata(&dev->dev);
- backlight_device_unregister(dev);
+ backlight_unregister(dev);
+ backlight_destroy(dev);
kfree(bl);
return 0;
diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c
index 9edaf24..5331e37 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -63,6 +63,7 @@ static int progearbl_probe(struct platform_device *pdev)
{
u8 temp;
struct backlight_device *progear_backlight_device;
+ int ret;
pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL);
if (!pmu_dev) {
@@ -81,7 +82,7 @@ static int progearbl_probe(struct platform_device *pdev)
pci_read_config_byte(sb_dev, SB_MPS1, &temp);
pci_write_config_byte(sb_dev, SB_MPS1, temp | 0x20);
- progear_backlight_device = backlight_device_register("progear-bl",
+ progear_backlight_device = backlight_alloc("progear-bl",
&pdev->dev, NULL,
&progearbl_ops);
if (IS_ERR(progear_backlight_device))
@@ -94,13 +95,20 @@ static int progearbl_probe(struct platform_device *pdev)
progear_backlight_device->props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;
progearbl_set_intensity(progear_backlight_device);
+ ret = backlight_register(progear_backlight_device);
+ if (ret) {
+ backlight_destroy(progear_backlight_device);
+ return ret;
+ }
+
return 0;
}
static int progearbl_remove(struct platform_device *pdev)
{
struct backlight_device *bd = platform_get_drvdata(pdev);
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
return 0;
}
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 8871662..fcdf88d 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -97,16 +97,24 @@ static int pwm_backlight_probe(struct platform_device *pdev)
} else
dev_dbg(&pdev->dev, "got pwm for backlight\n");
- bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev,
+ bl = backlight_alloc(dev_name(&pdev->dev), &pdev->dev,
pb, &pwm_backlight_ops);
if (IS_ERR(bl)) {
- dev_err(&pdev->dev, "failed to register backlight\n");
+ dev_err(&pdev->dev, "failed to allocate backlight\n");
ret = PTR_ERR(bl);
goto err_bl;
}
bl->props.max_brightness = data->max_brightness;
bl->props.brightness = data->dft_brightness;
+
+ ret = backlight_register(bl);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register backlight\n");
+ backlight_destroy(bl);
+ goto err_bl;
+ }
+
backlight_update_status(bl);
platform_set_drvdata(pdev, bl);
@@ -128,7 +136,8 @@ static int pwm_backlight_remove(struct platform_device *pdev)
struct backlight_device *bl = platform_get_drvdata(pdev);
struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
- backlight_device_unregister(bl);
+ backlight_unregister(bl);
+ backlight_destroy(bl);
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
pwm_free(pb->pwm);
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index 43edbad..bf6083c 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -99,7 +99,7 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
i2c_set_clientdata(client, data);
data->i2c = client;
- data->bl = backlight_device_register("tosa-bl", &client->dev,
+ data->bl = backlight_alloc("tosa-bl", &client->dev,
data, &bl_ops);
if (IS_ERR(data->bl)) {
ret = PTR_ERR(data->bl);
@@ -110,6 +110,12 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
data->bl->props.max_brightness = 512 - 1;
data->bl->props.power = FB_BLANK_UNBLANK;
+ ret = backlight_register(data->bl);
+ if (ret) {
+ backlight_destroy(data->bl);
+ goto err_reg;
+ }
+
backlight_update_status(data->bl);
return 0;
@@ -128,7 +134,8 @@ static int __devexit tosa_bl_remove(struct i2c_client *client)
{
struct tosa_bl_data *data = i2c_get_clientdata(client);
- backlight_device_unregister(data->bl);
+ backlight_unregister(data->bl);
+ backlight_destroy(data->bl);
data->bl = NULL;
i2c_set_clientdata(client, NULL);
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index e49ae5e..4d5e157 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -676,12 +676,14 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
}
#ifndef NO_BL_SUPPORT
bl_dev =
- backlight_device_register("bf54x-bl", NULL, NULL,
+ backlight_alloc("bf54x-bl", NULL, NULL,
&bfin_lq043fb_bl_ops);
bl_dev->props.max_brightness = 255;
lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops);
lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
+
+ backlight_register(bl_dev);
#endif
return 0;
@@ -725,7 +727,8 @@ static int __devexit bfin_bf54x_remove(struct platform_device *pdev)
#ifndef NO_BL_SUPPORT
lcd_device_unregister(lcd_dev);
- backlight_device_unregister(bl_dev);
+ backlight_unregister(bl_dev);
+ backlight_destroy(bl_dev);
#endif
unregister_framebuffer(fbinfo);
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 5cc36cf..d39e7ff 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -570,12 +570,14 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
}
#ifndef NO_BL_SUPPORT
bl_dev =
- backlight_device_register("bf52x-bl", NULL, NULL,
+ backlight_alloc("bf52x-bl", NULL, NULL,
&bfin_lq043fb_bl_ops);
bl_dev->props.max_brightness = 255;
lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
+
+ backlight_register(bl_dev);
#endif
return 0;
@@ -618,7 +620,8 @@ static int __devexit bfin_t350mcqb_remove(struct platform_device *pdev)
#ifndef NO_BL_SUPPORT
lcd_device_unregister(lcd_dev);
- backlight_device_unregister(bl_dev);
+ backlight_unregister(bl_dev);
+ backlight_destroy(bl_dev);
#endif
bfin_t350mcqb_request_ports(0);
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c
index 443e3c8..b701df6 100644
--- a/drivers/video/nvidia/nv_backlight.c
+++ b/drivers/video/nvidia/nv_backlight.c
@@ -97,6 +97,7 @@ void nvidia_bl_init(struct nvidia_par *par)
struct fb_info *info = pci_get_drvdata(par->pci_dev);
struct backlight_device *bd;
char name[12];
+ int ret;
if (!par->FlatPanel)
return;
@@ -109,10 +110,10 @@ void nvidia_bl_init(struct nvidia_par *par)
snprintf(name, sizeof(name), "nvidiabl%d", info->node);
- bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops);
+ bd = backlight_alloc(name, info->dev, par, &nvidia_bl_ops);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
- printk(KERN_WARNING "nvidia: Backlight registration failed\n");
+ printk(KERN_WARNING "nvidia: Backlight allocation failed\n");
goto error;
}
@@ -124,6 +125,15 @@ void nvidia_bl_init(struct nvidia_par *par)
bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
+
+ ret = backlight_register(bd);
+ if (ret) {
+ backlight_destroy(bd);
+ info->bl_dev = NULL;
+ printk(KERN_WARNING "nvidia: Backlight registration failed\n");
+ goto error;
+ }
+
backlight_update_status(bd);
printk("nvidia: Backlight initialized (%s)\n", name);
@@ -139,6 +149,7 @@ void nvidia_bl_exit(struct nvidia_par *par)
struct fb_info *info = pci_get_drvdata(par->pci_dev);
struct backlight_device *bd = info->bl_dev;
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
printk("nvidia: Backlight unloaded\n");
}
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index d94c57f..0ab0a35 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -341,6 +341,7 @@ static void riva_bl_init(struct riva_par *par)
struct fb_info *info = pci_get_drvdata(par->pdev);
struct backlight_device *bd;
char name[12];
+ int ret;
if (!par->FlatPanel)
return;
@@ -353,10 +354,10 @@ static void riva_bl_init(struct riva_par *par)
snprintf(name, sizeof(name), "rivabl%d", info->node);
- bd = backlight_device_register(name, info->dev, par, &riva_bl_ops);
+ bd = backlight_alloc(name, info->dev, par, &riva_bl_ops);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
- printk(KERN_WARNING "riva: Backlight registration failed\n");
+ printk(KERN_WARNING "riva: Backlight allocation failed\n");
goto error;
}
@@ -368,6 +369,15 @@ static void riva_bl_init(struct riva_par *par)
bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
+
+ ret = backlight_register(bd);
+ if (ret) {
+ backlight_destroy(bd);
+ info->bl_dev = NULL;
+ printk(KERN_WARNING "riva: Backlight registration failed\n");
+ goto error;
+ }
+
backlight_update_status(bd);
printk("riva: Backlight initialized (%s)\n", name);
@@ -382,7 +392,8 @@ static void riva_bl_exit(struct fb_info *info)
{
struct backlight_device *bd = info->bl_dev;
- backlight_device_unregister(bd);
+ backlight_unregister(bd);
+ backlight_destroy(bd);
printk("riva: Backlight unloaded\n");
}
#else
--
1.6.2.5
--
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