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Subject: media: ivsc: csi: don't count privacy on as error
Author: Wentong Wu <wentong.wu@xxxxxxxxx>
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@xxxxxxxxxxxxxxx # for 6.6 and later
Reported-by: Hao Yao <hao.yao@xxxxxxxxx>
Signed-off-by: Wentong Wu <wentong.wu@xxxxxxxxx>
Tested-by: Jason Chen <jason.z.chen@xxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
drivers/media/pci/intel/ivsc/mei_csi.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
---
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;
}
