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definitions=2025-12-04_03,2025-12-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 phishscore=0 clxscore=1015 bulkscore=0 impostorscore=0 spamscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512040088 On 12/4/25 18:11, Sakari Ailus wrote: > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender and know the content is safe. > > Hi Xiaolei, > > On Mon, Dec 01, 2025 at 08:00:26AM +0800, Xiaolei Wang wrote: >> __v4l2_ctrl_handler_setup() and __v4l2_ctrl_modify_range() >> contains an assertion to verify that the v4l2_ctrl_handler::lock >> is held, as it should only be called when the lock has already >> been acquired. Therefore use our own mutex for the ctrl lock, >> otherwise a warning will be reported. >> >> Signed-off-by: Xiaolei Wang >> --- >> drivers/media/i2c/ov5647.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c >> index e193fef4fced..4e14eefba577 100644 >> --- a/drivers/media/i2c/ov5647.c >> +++ b/drivers/media/i2c/ov5647.c >> @@ -1288,9 +1288,12 @@ static int ov5647_init_controls(struct ov5647 *sensor) >> { >> struct i2c_client *client = v4l2_get_subdevdata(&sensor->sd); >> int hblank, exposure_max, exposure_def; >> + struct v4l2_ctrl_handler *hdl = &sensor->ctrls; >> >> v4l2_ctrl_handler_init(&sensor->ctrls, 9); >> >> + hdl->lock = &sensor->lock; > You can use sensor->ctrls here; otherwise change the existing users first > (but that should go to a separate patch anyway). OK，I will send version 2. thanks xiaolei > >> + >> v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops, >> V4L2_CID_AUTOGAIN, 0, 1, 1, 0); >> > -- > Kind regards, > > Sakari Ailus