linux-kernel - Re: [PATCH] Add check for READ ONLY flag

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Date:   Tue, 8 Feb 2022 13:39:32 +0100
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Dikshita Agarwal <quic_dikshita@...cinc.com>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        vgarodia@...eaurora.org
Subject: Re: [PATCH] Add check for READ ONLY flag



On 2/4/22 07:47, Dikshita Agarwal wrote:
> Add a check for V4L2_CTRL_FLAG_READ_ONLY to avoid request
> testing for such controls.

Missing Signed-off-by!

Regards,

	Hans

> ---
>  utils/v4l2-compliance/v4l2-test-buffers.cpp | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/utils/v4l2-compliance/v4l2-test-buffers.cpp b/utils/v4l2-compliance/v4l2-test-buffers.cpp
> index fa8c37c..b8de7af 100644
> --- a/utils/v4l2-compliance/v4l2-test-buffers.cpp
> +++ b/utils/v4l2-compliance/v4l2-test-buffers.cpp
> @@ -2032,7 +2032,8 @@ int testRequests(struct node *node, bool test_streaming)
>  		if (qctrl.type != V4L2_CTRL_TYPE_INTEGER &&
>  		    qctrl.type != V4L2_CTRL_TYPE_BOOLEAN)
>  			continue;
> -		if (qctrl.flags & V4L2_CTRL_FLAG_WRITE_ONLY)
> +		if (qctrl.flags & V4L2_CTRL_FLAG_WRITE_ONLY ||
> +		    qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY)
>  			continue;
>  		if (is_vivid && V4L2_CTRL_ID2WHICH(qctrl.id) == V4L2_CTRL_CLASS_VIVID)
>  			continue;