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drm/gma500: Use backlight_get_brightness() to get the brightness

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Use backlight_get_brightness() instead of directly referencing
bd->props.brightness. This will take backlight_is_blank() into account,
properly setting brightness to 0 when screen-blanking has been requested
through the backlight sysfs interface.

Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220917205920.647212-4-hdegoede@redhat.com
This commit is contained in:
Hans de Goede
2022-09-17 22:59:18 +02:00
parent dec4ddbe1d
commit fbf3093466
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/gma500/backlight.c
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@@ -52,7 +52,7 @@ static int gma_backlight_get_brightness(struct backlight_device *bd)
static int gma_backlight_update_status(struct backlight_device *bd)
{
struct drm_device *dev = bl_get_data(bd);
int level = bd->props.brightness;
int level = backlight_get_brightness(bd);
/* Percentage 1-100% being valid */
if (level < 1)