diff options
| author | Corentin Chary <corentin.chary@gmail.com> | 2012-03-20 09:53:14 +0100 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2012-03-26 15:05:51 -0400 |
| commit | ade28abdcb474531bb7045c032a286812c7f6d2a (patch) | |
| tree | dfd441bfc42ff2d6b30a8e274491801d908e5951 /drivers/platform/x86/asus-wmi.c | |
| parent | 7a61d0207465e41b7dbe3a25f628ddef24572c6f (diff) | |
asus-wmi: don't update power and brightness when using scalar
But we can still do it on other boards, as this might happen
if the backlight driver change when update_bl is called.
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index ff9cfd83b09f..7d1684bdbf63 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1152,15 +1152,21 @@ static int update_bl_status(struct backlight_device *bd) ctrl_param, NULL); if (asus->driver->quirks->store_backlight_power) asus->driver->panel_power = bd->props.power; - } else { - if (asus->driver->quirks->scalar_panel_brightness) - ctrl_param = get_scalar_command(bd); - else - ctrl_param = bd->props.brightness; - err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS, - ctrl_param, NULL); + /* When using scalar brightness, updating the brightness + * will mess with the backlight power */ + if (asus->driver->quirks->scalar_panel_brightness) + return err; } + + if (asus->driver->quirks->scalar_panel_brightness) + ctrl_param = get_scalar_command(bd); + else + ctrl_param = bd->props.brightness; + + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS, + ctrl_param, NULL); + return err; } |