drm/bridge: anx7625: fix not correct return value

At some time, the original code may return non zero value, force return 0
if operation finished.

Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Xin Ji <xji@analogixsemi.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211104033609.2634452-1-xji@analogixsemi.com

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index d031765..f48e911 100644 (file)
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -191,10 +191,10 @@ static int wait_aux_op_finish(struct anx7625_data *ctx)
                               AP_AUX_CTRL_STATUS);
        if (val < 0 || (val & 0x0F)) {
                DRM_DEV_ERROR(dev, "aux status %02x\n", val);
-               val = -EIO;
+               return -EIO;
        }
 
-       return val;
+       return 0;
 }
 
 static int anx7625_video_mute_control(struct anx7625_data *ctx,