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| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2025-05-08 10:37:45 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2025-06-30 08:47:40 +0200 |
| commit | 5a0abb8909b9dcf347fce1d201ac6686ac33fd64 (patch) | |
| tree | c2f0d1571d879c2c21cb367e892eece050b9d2ec | |
| parent | media: dt-bindings: mipi-ccs: Refer to video-interface-devices.yaml (diff) | |
| download | linux-5a0abb8909b9dcf347fce1d201ac6686ac33fd64.tar.gz linux-5a0abb8909b9dcf347fce1d201ac6686ac33fd64.zip | |
media: v4l2-common: Reduce warnings about missing V4L2_CID_LINK_FREQ control
When operating a pipeline with a missing V4L2_CID_LINK_FREQ control this
two line warning is printed each time the pipeline is started. Reduce
this excessive logging by only warning once for the missing control.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-common.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index bd160a8c9efe..e1fc8fe43b74 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -505,10 +505,10 @@ s64 __v4l2_get_link_freq_ctrl(struct v4l2_ctrl_handler *handler, freq = div_u64(v4l2_ctrl_g_ctrl_int64(ctrl) * mul, div); - pr_warn("%s: Link frequency estimated using pixel rate: result might be inaccurate\n", - __func__); - pr_warn("%s: Consider implementing support for V4L2_CID_LINK_FREQ in the transmitter driver\n", - __func__); + pr_warn_once("%s: Link frequency estimated using pixel rate: result might be inaccurate\n", + __func__); + pr_warn_once("%s: Consider implementing support for V4L2_CID_LINK_FREQ in the transmitter driver\n", + __func__); } return freq > 0 ? freq : -EINVAL; |