Hi,
On Thu, Jun 16, 2022 at 07:23:15PM +0200, Stephen Kitt wrote:
> Instead of retrieving the backlight brightness in struct
> backlight_properties manually, and then checking whether the backlight
> should be on at all, use backlight_get_brightness() which does all
> this and insulates this from future changes.
>
> Instead of manually checking the power state in struct
> backlight_properties, use backlight_is_blank().
>
> While we're at it, drop .fb_blank from the initialisation function; it
> is deprecated, and this helps make progress towards enabling its
> removal. This change makes no functional difference since
> FB_BLANK_UNBLANK is the default value.
>
> Signed-off-by: Stephen Kitt <steve@xxxxxxx>
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
> Changes since v1: removed the last remaining .fb_blank reference
> ---
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
-- Sebastian
> drivers/gpu/drm/panel/panel-sony-acx565akm.c | 12 ++----------
> 1 file changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-sony-acx565akm.c b/drivers/gpu/drm/panel/panel-sony-acx565akm.c
> index 0d7541a33f87..3d6a286056a0 100644
> --- a/drivers/gpu/drm/panel/panel-sony-acx565akm.c
> +++ b/drivers/gpu/drm/panel/panel-sony-acx565akm.c
> @@ -298,13 +298,7 @@ static void acx565akm_set_brightness(struct acx565akm_panel *lcd, int level)
> static int acx565akm_bl_update_status_locked(struct backlight_device *dev)
> {
> struct acx565akm_panel *lcd = dev_get_drvdata(&dev->dev);
> - int level;
> -
> - if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
> - dev->props.power == FB_BLANK_UNBLANK)
> - level = dev->props.brightness;
> - else
> - level = 0;
> + int level = backlight_get_brightness(dev);
>
> acx565akm_set_brightness(lcd, level);
>
> @@ -330,8 +324,7 @@ static int acx565akm_bl_get_intensity(struct backlight_device *dev)
>
> mutex_lock(&lcd->mutex);
>
> - if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
> - dev->props.power == FB_BLANK_UNBLANK)
> + if (!backlight_is_blank(dev))
> intensity = acx565akm_get_actual_brightness(lcd);
> else
> intensity = 0;
> @@ -349,7 +342,6 @@ static const struct backlight_ops acx565akm_bl_ops = {
> static int acx565akm_backlight_init(struct acx565akm_panel *lcd)
> {
> struct backlight_properties props = {
> - .fb_blank = FB_BLANK_UNBLANK,
> .power = FB_BLANK_UNBLANK,
> .type = BACKLIGHT_RAW,
> };
> --
> 2.30.2
>
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