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Subject: media: ivsc: csi: don't count privacy on as error Author: Wentong Wu wentong.wu@intel.com Date: Fri Jun 7 21:25:45 2024 +0800

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: 29006e196a56 ("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

drivers/media/pci/intel/ivsc/mei_csi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)

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diff --git a/drivers/media/pci/intel/ivsc/mei_csi.c b/drivers/media/pci/intel/ivsc/mei_csi.c index c6d8f72e4eec..16791a7f4f15 100644 --- a/drivers/media/pci/intel/ivsc/mei_csi.c +++ b/drivers/media/pci/intel/ivsc/mei_csi.c @@ -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; }