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media: ivsc: csi: don't count privacy on as error

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Prior to the ongoing command privacy is on, it would return -1 to
indicate the current privacy status, and the ongoing command would
be well executed by firmware as well, so this is not error. This
patch changes its behavior to notify privacy on directly by V4L2
privacy control instead of reporting error.

Fixes: 29006e196a ("media: pci: intel: ivsc: Add CSI submodule")
Cc: stable@vger.kernel.org # for 6.6 and later
Reported-by: Hao Yao <hao.yao@intel.com>
Signed-off-by: Wentong Wu <wentong.wu@intel.com>
Tested-by: Jason Chen <jason.z.chen@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Wentong Wu 2024-06-07 21:25:45 +08:00 committed by Hans Verkuil
parent c6be647100
commit a813f16833
1 changed files with 5 additions and 1 deletions
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6
drivers/media/pci/intel/ivsc/mei_csi.c
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@ -192,7 +192,11 @@ static int mei_csi_send(struct mei_csi *csi, u8 *buf, size_t len)
/* command response status */
ret = csi->cmd_response.status;
if (ret) {
if (ret == -1) {
/* notify privacy on instead of reporting error */
ret = 0;
v4l2_ctrl_s_ctrl(csi->privacy_ctrl, 1);
} else if (ret) {
ret = -EINVAL;
goto out;
}