Hi Tomi,
Thank you for the patch.
On Tue, Nov 24, 2020 at 02:45:26PM +0200, Tomi Valkeinen wrote:
> We have a useless 'if' in the dsicm_bl_update_status(), a left over from
> the conversion to DRM model. Drop the if.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> ---
> drivers/gpu/drm/panel/panel-dsi-cm.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-dsi-cm.c b/drivers/gpu/drm/panel/panel-dsi-cm.c
> index 1e7f73340736..c17ed728c695 100644
> --- a/drivers/gpu/drm/panel/panel-dsi-cm.c
> +++ b/drivers/gpu/drm/panel/panel-dsi-cm.c
> @@ -194,7 +194,7 @@ static int dsicm_set_update_window(struct panel_drv_data *ddata)
> static int dsicm_bl_update_status(struct backlight_device *dev)
> {
> struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
> - int r = 0;
> + int r;
> int level;
>
> if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
> @@ -207,11 +207,9 @@ static int dsicm_bl_update_status(struct backlight_device *dev)
>
> mutex_lock(&ddata->lock);
>
> - if (ddata->enabled) {
> - if (!r)
> - r = dsicm_dcs_write_1(
> - ddata, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, level);
> - }
> + if (ddata->enabled)
> + r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
> + level);
If !ddata->enabled, won't r be uninitialized ?
>
> mutex_unlock(&ddata->lock);
>
--
Regards,
Laurent Pinchart
