diff mbox series

[v3,05/10] media: ar0521: Refuse unsupported controls

Message ID 20221104142452.117135-6-jacopo@jmondi.org (mailing list archive)
State New, archived
Headers show
Series media: ar0521: Add analog gain, rework clock tree | expand

Commit Message

Jacopo Mondi Nov. 4, 2022, 2:24 p.m. UTC 
Refuse unsupported controls by returning -EINVAL in the s_ctrl
operation. While at it, remove a the default switch case in the first
switch as it effectively is now a no-op.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
---
 drivers/media/i2c/ar0521.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ar0521.c b/drivers/media/i2c/ar0521.c
index d30f7a1c7651..acb9509d7708 100644
--- a/drivers/media/i2c/ar0521.c
+++ b/drivers/media/i2c/ar0521.c
@@ -514,9 +514,6 @@  static int ar0521_s_ctrl(struct v4l2_ctrl *ctrl)
 		sensor->total_height = sensor->fmt.width +
 			sensor->ctrls.vblank->val;
 		break;
-	default:
-		ret = -EINVAL;
-		break;
 	}
 
 	/* access the sensor only if it's powered up */
@@ -546,6 +543,11 @@  static int ar0521_s_ctrl(struct v4l2_ctrl *ctrl)
 		ret = ar0521_write_reg(sensor, AR0521_REG_TEST_PATTERN_MODE,
 				       ctrl->val);
 		break;
+	default:
+		dev_err(&sensor->i2c_client->dev,
+			"Unsupported control %x\n", ctrl->id);
+		ret = -EINVAL;
+		break;
 	}
 
 	pm_runtime_put(&sensor->i2c_client->dev);