| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1315247513-8924-1-git-send-email-ike.pan@canonical.com>
Date: Tue, 6 Sep 2011 02:31:53 +0800
From: Ike Panhc <ike.pan@...onical.com>
To: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Matthew Garrett <mjg@...hat.com>
Subject: [PATCH 1/5] ideapad: define vpc commands
Better then write hex number everywhere.
Signed-off-by: Ike Panhc <ike.pan@...onical.com>
---
drivers/platform/x86/ideapad-laptop.c | 57 +++++++++++++++++++++++---------
1 files changed, 41 insertions(+), 16 deletions(-)
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 0d94eec..0a1ceaa 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -42,6 +42,30 @@
#define CFG_WIFI_BIT (18)
#define CFG_CAMERA_BIT (19)
+enum {
+ VPCCMD_R_VPC1 = 0x10,
+ VPCCMD_R_BL_MAX,
+ VPCCMD_R_BL,
+ VPCCMD_W_BL,
+ VPCCMD_R_WIFI,
+ VPCCMD_W_WIFI,
+ VPCCMD_R_BT,
+ VPCCMD_W_BT,
+ VPCCMD_R_BL_POWER,
+ VPCCMD_R_NOVO,
+ VPCCMD_R_VPC2,
+ VPCCMD_R_TOUCHPAD,
+ VPCCMD_W_TOUCHPAD,
+ VPCCMD_R_CAMERA,
+ VPCCMD_W_CAMERA,
+ VPCCMD_R_3G,
+ VPCCMD_W_3G,
+ VPCCMD_R_ODD, /* 0x21 */
+ VPCCMD_R_RF = 0x23,
+ VPCCMD_W_RF,
+ VPCCMD_W_BL_POWER = 0x33,
+};
+
struct ideapad_private {
struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM];
struct platform_device *platform_device;
@@ -172,7 +196,7 @@ static ssize_t show_ideapad_cam(struct device *dev,
{
unsigned long result;
- if (read_ec_data(ideapad_handle, 0x1D, &result))
+ if (read_ec_data(ideapad_handle, VPCCMD_R_CAMERA, &result))
return sprintf(buf, "-1\n");
return sprintf(buf, "%lu\n", result);
}
@@ -187,7 +211,7 @@ static ssize_t store_ideapad_cam(struct device *dev,
return 0;
if (sscanf(buf, "%i", &state) != 1)
return -EINVAL;
- ret = write_ec_cmd(ideapad_handle, 0x1E, state);
+ ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state);
if (ret < 0)
return ret;
return count;
@@ -244,9 +268,9 @@ struct ideapad_rfk_data {
};
const struct ideapad_rfk_data ideapad_rfk_data[] = {
- { "ideapad_wlan", CFG_WIFI_BIT, 0x15, RFKILL_TYPE_WLAN },
- { "ideapad_bluetooth", CFG_BT_BIT, 0x17, RFKILL_TYPE_BLUETOOTH },
- { "ideapad_3g", CFG_3G_BIT, 0x20, RFKILL_TYPE_WWAN },
+ { "ideapad_wlan", CFG_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN },
+ { "ideapad_bluetooth", CFG_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH },
+ { "ideapad_3g", CFG_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN },
};
static int ideapad_rfk_set(void *data, bool blocked)
@@ -266,7 +290,7 @@ static void ideapad_sync_rfk_state(struct acpi_device *adevice)
unsigned long hw_blocked;
int i;
- if (read_ec_data(ideapad_handle, 0x23, &hw_blocked))
+ if (read_ec_data(ideapad_handle, VPCCMD_R_RF, &hw_blocked))
return;
hw_blocked = !hw_blocked;
@@ -426,16 +450,17 @@ static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)
{
unsigned long now;
- if (read_ec_data(ideapad_handle, 0x12, &now))
+ if (read_ec_data(ideapad_handle, VPCCMD_R_BL, &now))
return -EIO;
return now;
}
static int ideapad_backlight_update_status(struct backlight_device *blightdev)
{
- if (write_ec_cmd(ideapad_handle, 0x13, blightdev->props.brightness))
+ if (write_ec_cmd(ideapad_handle, VPCCMD_W_BL,
+ blightdev->props.brightness))
return -EIO;
- if (write_ec_cmd(ideapad_handle, 0x33,
+ if (write_ec_cmd(ideapad_handle, VPCCMD_W_BL_POWER,
blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1))
return -EIO;
@@ -453,11 +478,11 @@ static int ideapad_backlight_init(struct ideapad_private *priv)
struct backlight_properties props;
unsigned long max, now, power;
- if (read_ec_data(ideapad_handle, 0x11, &max))
+ if (read_ec_data(ideapad_handle, VPCCMD_R_BL_MAX, &max))
return -EIO;
- if (read_ec_data(ideapad_handle, 0x12, &now))
+ if (read_ec_data(ideapad_handle, VPCCMD_R_BL, &now))
return -EIO;
- if (read_ec_data(ideapad_handle, 0x18, &power))
+ if (read_ec_data(ideapad_handle, VPCCMD_R_BL_POWER, &power))
return -EIO;
memset(&props, 0, sizeof(struct backlight_properties));
@@ -495,7 +520,7 @@ static void ideapad_backlight_notify_power(struct ideapad_private *priv)
if (!blightdev)
return;
- if (read_ec_data(ideapad_handle, 0x18, &power))
+ if (read_ec_data(ideapad_handle, VPCCMD_R_BL_POWER, &power))
return;
blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
}
@@ -506,7 +531,7 @@ static void ideapad_backlight_notify_brightness(struct ideapad_private *priv)
/* if we control brightness via acpi video driver */
if (priv->blightdev == NULL) {
- read_ec_data(ideapad_handle, 0x12, &now);
+ read_ec_data(ideapad_handle, VPCCMD_R_BL, &now);
return;
}
@@ -595,9 +620,9 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
acpi_handle handle = adevice->handle;
unsigned long vpc1, vpc2, vpc_bit;
- if (read_ec_data(handle, 0x10, &vpc1))
+ if (read_ec_data(handle, VPCCMD_R_VPC1, &vpc1))
return;
- if (read_ec_data(handle, 0x1A, &vpc2))
+ if (read_ec_data(handle, VPCCMD_R_VPC2, &vpc2))
return;
vpc1 = (vpc2 << 8) | vpc1;
--
1.7.5.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists