Hi Laurent On Thu, Sep 14, 2023 at 8:17 PM Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > > The subdev .s_stream() operation shall not be called to start streaming > on an already started subdev, or stop streaming on a stopped subdev. > Remove the check that guards against that condition. > In general I agree with the patch, but I think it would be safer to land it in two stages. first: if WARN_ON(imx214->streaming == enable) return 0; and in the next version replace it completely. otherwise > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Reviewed-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> > --- > drivers/media/i2c/imx214.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c > index 2f9c8582f940..e2805173f4b1 100644 > --- a/drivers/media/i2c/imx214.c > +++ b/drivers/media/i2c/imx214.c > @@ -775,9 +775,6 @@ static int imx214_s_stream(struct v4l2_subdev *subdev, int enable) > struct imx214 *imx214 = to_imx214(subdev); > int ret; > > - if (imx214->streaming == enable) > - return 0; > - > if (enable) { > ret = pm_runtime_resume_and_get(imx214->dev); > if (ret < 0) > -- > Regards, > > Laurent Pinchart >