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Message-id: <2189310342910921713@karneval.cz>
Date: Wed, 11 Apr 2007 15:04:35 +0200 (CEST)
From: Jiri Slaby <jirislaby@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: <linux-acpi@...r.kernel.org>
Subject: [PATCH 1/1] ACPI: asus_acpi, support F2JE model
asus_acpi, support F2JE model
also augment the driver to support switching LCD status even if no function
for getting lcd status exists in DSDT.
Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
commit 54f13ae12fa0a3e3fc02dda6225baa3436f1e93a
tree 70c08fc62a1a2f08ac8cc8f4cf5796a1d6f34764
parent 0156510dee9d326af2ec52cf8b1a388ce9a839e9
author Jiri Slaby <jirislaby@...il.com> Wed, 11 Apr 2007 15:03:26 +0200
committer Jiri Slaby <jirislaby@...il.com> Wed, 11 Apr 2007 15:03:26 +0200
drivers/acpi/asus_acpi.c | 37 +++++++++++++++++++++++++++++++------
1 files changed, 31 insertions(+), 6 deletions(-)
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 0a9ea00..2363578 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -123,6 +123,7 @@ struct asus_hotk {
A2x, //A2500H
A4G, //A4700G
D1x, //D1
+ F2x, //F2JE
L2D, //L2000D
L3C, //L3800C
L3D, //L3400D
@@ -150,6 +151,7 @@ struct asus_hotk {
/* Here we go */
#define A1x_PREFIX "\\_SB.PCI0.ISA.EC0."
+#define F2x_PREFIX "\\_SB.PCI0.SBRG.EC0."
#define L3C_PREFIX "\\_SB.PCI0.PX40.ECD0."
#define M1A_PREFIX "\\_SB.PCI0.PX40.EC0."
#define P30_PREFIX "\\_SB.PCI0.LPCB.EC0."
@@ -206,6 +208,16 @@ static struct model_data model_conf[END_MODEL] = {
.display_get = "\\INFB"},
{
+ .name = "F2x",
+ .mt_wled = "WLED",
+ .mt_bt_switch = "BLED",
+ .mt_lcd_switch = F2x_PREFIX "_Q10",
+ .brightness_set = "SPLV",
+ .brightness_get = "GPLV",
+ .display_set = "SDSP",
+ .display_get = "\\ADVG"},
+
+ {
.name = "L2D",
.mt_mled = "MLED",
.mled_status = "\\SGP6",
@@ -706,6 +718,8 @@ static int get_lcd_state(void)
{
int lcd = 0;
+ BUG_ON(!hotk->methods->lcd_status);
+
if (hotk->model != L3H) {
/* We don't have to check anything if we are here */
if (!read_acpi_int(NULL, hotk->methods->lcd_status, &lcd))
@@ -748,11 +762,17 @@ static int get_lcd_state(void)
static int set_lcd_state(int value)
{
- int lcd = 0;
acpi_status status = 0;
- lcd = value ? 1 : 0;
- if (lcd != get_lcd_state()) {
+ if (!value && !hotk->methods->lcd_status) {
+ printk(KERN_ERR "Asus ACPI: You must pass nonzero value to "
+ "switch LCD status for this model\n");
+ return -EINVAL;
+ }
+
+ /* pay attention to lazy evaluation, we don't want to reach
+ get_lcd_state if lcd_status is empty string */
+ if (!hotk->methods->lcd_status || !!value != get_lcd_state()) {
/* switch */
if (hotk->model != L3H) {
status =
@@ -778,7 +798,10 @@ static int
proc_read_lcd(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
- return sprintf(page, "%d\n", get_lcd_state());
+ return hotk->methods->lcd_status ?
+ sprintf(page, "%d\n", get_lcd_state()) :
+ sprintf(page, "n/a (but 1 may be written to switch LCD "
+ "state)\n");
}
static int
@@ -1007,7 +1030,7 @@ static int asus_hotk_add_fs(struct acpi_device *device)
* We need both read node and write method as LCD switch is also accessible
* from keyboard
*/
- if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) {
+ if (hotk->methods->mt_lcd_switch) {
asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode,
device);
}
@@ -1040,7 +1063,7 @@ static int asus_hotk_remove_fs(struct acpi_device *device)
remove_proc_entry(PROC_LEDD, acpi_device_dir(device));
if (hotk->methods->mt_bt_switch)
remove_proc_entry(PROC_BT, acpi_device_dir(device));
- if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status)
+ if (hotk->methods->mt_lcd_switch)
remove_proc_entry(PROC_LCD, acpi_device_dir(device));
if ((hotk->methods->brightness_up
&& hotk->methods->brightness_down)
@@ -1091,6 +1114,8 @@ static int asus_model_match(char *model)
return L8L;
else if (strncmp(model, "L4R", 3) == 0)
return L4R;
+ else if (strncmp(model, "F2JE", 4) == 0)
+ return F2x;
else if (strncmp(model, "M6N", 3) == 0 || strncmp(model, "W3N", 3) == 0)
return M6N;
else if (strncmp(model, "M6R", 3) == 0 || strncmp(model, "A3G", 3) == 0)
-
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