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asus-wmi: don't update power and brightness when using scalar

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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>
This commit is contained in:
Corentin Chary 2012-03-20 09:53:14 +01:00 committed by Matthew Garrett
parent 7a61d02074
commit ade28abdcb
1 changed files with 13 additions and 7 deletions
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20
drivers/platform/x86/asus-wmi.c
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@ -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;
}