linux-kernel - [PATCH v10 03/21] media: uvcvideo: Do not check for V4L2_CTRL_WHICH_DEF

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Message-Id: <20210618122923.385938-4-ribalda@chromium.org>
Date:   Fri, 18 Jun 2021 14:29:05 +0200
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        tfiga@...omium.org
Cc:     Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v10 03/21] media: uvcvideo: Do not check for V4L2_CTRL_WHICH_DEF_VAL

The framework already checks for us if V4L2_CTRL_WHICH_DEF_VAL is
written.

Reviewed-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/usb/uvc/uvc_v4l2.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 252136cc885c..47b0e3224205 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -1089,10 +1089,6 @@ static int uvc_ioctl_s_try_ext_ctrls(struct uvc_fh *handle,
 	unsigned int i;
 	int ret;
 
-	/* Default value cannot be changed */
-	if (ctrls->which == V4L2_CTRL_WHICH_DEF_VAL)
-		return -EINVAL;
-
 	ret = uvc_ctrl_begin(chain);
 	if (ret < 0)
 		return ret;
-- 
2.32.0.288.g62a8d224e6-goog