linux-kernel - [PATCH 04/10] media: uvcvideo: Add support for V4L2_CTRL_TYPE_CTRL

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Date:   Thu, 11 Mar 2021 13:20:34 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tomasz Figa <tfiga@...omium.org>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, senozhatsky@...omium.org
Cc:     Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH 04/10] media: uvcvideo: Add support for V4L2_CTRL_TYPE_CTRL_CLASS

Fill all the fields for V4L2_CTRL_TYPE_CTRL_CLASS control types.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/usb/uvc/uvc_ctrl.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index b3dde98499f4..08877897dc5a 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1097,6 +1097,13 @@ static int __uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,
 		v4l2_ctrl->step = 0;
 		return 0;
 
+	case V4L2_CTRL_TYPE_CTRL_CLASS:
+		v4l2_ctrl->minimum = 0;
+		v4l2_ctrl->maximum = 0;
+		v4l2_ctrl->step = 0;
+		v4l2_ctrl->default_value = 0;
+		return 0;
+
 	default:
 		break;
 	}
-- 
2.31.0.rc2.261.g7f71774620-goog