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

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Message-Id: <1643957268-6365-1-git-send-email-quic_dikshita@quicinc.com>
Date:   Fri,  4 Feb 2022 12:17:48 +0530
From:   Dikshita Agarwal <quic_dikshita@...cinc.com>
To:     hverkuil-cisco@...all.nl
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        vgarodia@...eaurora.org,
        Dikshita Agarwal <quic_dikshita@...cinc.com>
Subject: [PATCH] Add check for READ ONLY flag

Add a check for V4L2_CTRL_FLAG_READ_ONLY to avoid request
testing for such controls.
---
 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;
-- 
2.7.4