Re: [PATCH 19/57] media: atomisp: Allow sensor drivers without a s_power callback

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On Mon, Jan 23, 2023 at 01:51:27PM +0100, Hans de Goede wrote:
> The s_power callback for v4l2-subdevs has been deprecated, allow sensor
> drivers without a s_power callback to work by ignoring the -ENOIOCTLCMD
> return value.

Reviewed-by: Andy Shevchenko <andy@xxxxxxxxxx>

> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
>  drivers/staging/media/atomisp/pci/atomisp_fops.c  | 2 +-
>  drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp_fops.c
> index 833c7aac8f0a..ce01479bdd68 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_fops.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_fops.c
> @@ -832,7 +832,7 @@ static int atomisp_release(struct file *file)
>  	if (isp->inputs[asd->input_curr].asd == asd) {
>  		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
>  				       core, s_power, 0);
> -		if (ret)
> +		if (ret && ret != -ENOIOCTLCMD)
>  			dev_warn(isp->dev, "Failed to power-off sensor\n");
>  
>  		/* clear the asd field to show this camera is not used */
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
> index d0dd3dbd6f6a..77856cbc5ba7 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
> @@ -700,7 +700,7 @@ static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
>  	    asd->input_curr != input) {
>  		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
>  				       core, s_power, 0);
> -		if (ret)
> +		if (ret && ret != -ENOIOCTLCMD)
>  			dev_warn(isp->dev,
>  				 "Failed to power-off sensor\n");
>  		/* clear the asd field to show this camera is not used */
> @@ -709,7 +709,7 @@ static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
>  
>  	/* powe on the new sensor */
>  	ret = v4l2_subdev_call(isp->inputs[input].camera, core, s_power, 1);
> -	if (ret) {
> +	if (ret && ret != -ENOIOCTLCMD) {
>  		dev_err(isp->dev, "Failed to power-on sensor\n");
>  		return ret;
>  	}
> -- 
> 2.39.0
> 

-- 
With Best Regards,
Andy Shevchenko





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