On 01/12/2020 02:22, Laurent Pinchart wrote:
> 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 ?
Yes. I wonder how I missed that... I'll keep the "r = 0" initialization.
Tomi
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