Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 19 May 2022 20:18:09 +0300
From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Ricardo Ribalda <ribalda@chromium.org>
Cc:     Mauro Carvalho Chehab <mchehab@kernel.org>,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        Tomasz Figa <tfiga@chromium.org>,
        Sergey Senozhatsky <senozhatsky@chromium.org>,
        Yunke Cao <yunkec@google.com>
Subject: Re: [PATCH 1/4] media: uvcvideo: Add missing value for
 power_line_frequency
Message-ID: <YoZ70Ssf4PTq3OaL@pendragon.ideasonboard.com>
References: <20220519154100.333091-1-ribalda@chromium.org>
 <20220519154100.333091-2-ribalda@chromium.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20220519154100.333091-2-ribalda@chromium.org>
Precedence: bulk

Hi Ricardo,

Thank you for the patch.

On Thu, May 19, 2022 at 05:40:56PM +0200, Ricardo Ribalda wrote:
> UVC 1.5 class defines 4 values for this control on:
> 4.2.2.3.6 Power Line Frequency Control

But UVC 1.1 doesn't. This thus has to be conditioned on the UVC version.

> Add the missing value.
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/usb/uvc/uvc_ctrl.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
> index b4f6edf968bc..13cad4aa7573 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -366,6 +366,7 @@ static const struct uvc_menu_info power_line_frequency_controls[] = {
>  	{ 0, "Disabled" },
>  	{ 1, "50 Hz" },
>  	{ 2, "60 Hz" },
> +	{ 3, "Auto" },
>  };
>  
>  static const struct uvc_menu_info exposure_auto_controls[] = {

-- 
Regards,

Laurent Pinchart