diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 4f3c4674498..516add3c340 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -93,8 +93,10 @@ MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " /* * Some events we use, same for all Asus */ -#define ATKD_BR_UP 0x10 -#define ATKD_BR_DOWN 0x20 +#define ATKD_BR_UP 0x10 // (event & ~ATKD_BR_UP) = brightness level +#define ATKD_BR_DOWN 0x20 // (event & ~ATKD_BR_DOWN) = britghness level +#define ATKD_BR_MIN ATKD_BR_UP +#define ATKD_BR_MAX (ATKD_BR_DOWN | 0xF) // 0x2f #define ATKD_LCD_ON 0x33 #define ATKD_LCD_OFF 0x34 @@ -245,11 +247,13 @@ struct asus_laptop { }; static const struct key_entry asus_keymap[] = { + /* Lenovo SL Specific keycodes */ {KE_KEY, 0x02, { KEY_SCREENLOCK } }, {KE_KEY, 0x05, { KEY_WLAN } }, {KE_KEY, 0x08, { KEY_F13 } }, {KE_KEY, 0x17, { KEY_ZOOM } }, {KE_KEY, 0x1f, { KEY_BATTERY } }, + /* End of Lenovo SL Specific keycodes */ {KE_KEY, 0x30, { KEY_VOLUMEUP } }, {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, {KE_KEY, 0x32, { KEY_MUTE } }, @@ -626,6 +630,16 @@ static struct backlight_ops asusbl_ops = { .update_status = update_bl_status, }; +static int asus_backlight_notify(struct asus_laptop *asus) +{ + struct backlight_device *bd = asus->backlight_device; + int old = bd->props.brightness; + + backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); + + return old; +} + static int asus_backlight_init(struct asus_laptop *asus) { struct backlight_device *bd; @@ -656,6 +670,7 @@ static void asus_backlight_exit(struct asus_laptop *asus) { if (asus->backlight_device) backlight_device_unregister(asus->backlight_device); + asus->backlight_device = NULL; } /* @@ -1121,6 +1136,16 @@ static void asus_acpi_notify(struct acpi_device *device, u32 event) dev_name(&asus->device->dev), event, count); + /* Brightness events are special */ + if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { + + /* Ignore them completely if the acpi video driver is used */ + if (asus->backlight_device != NULL) { + /* Update the backlight device. */ + asus_backlight_notify(asus); + } + return ; + } asus_input_notify(asus, event); } |