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Subject: media: atomisp: set default mode Author: Mauro Carvalho Chehab <[email protected]> Date: Fri Oct 29 08:09:39 2021 +0100 Without setting a default mode at open(), applications that don't call VIDIOC_SET_PARM with a custom atomisp parameters won't work, as the pipeline won't be set: atomisp-isp2 0000:00:03.0: can't create streams atomisp-isp2 0000:00:03.0: __get_frame_info 1600x1200 (padded to 0) returned -22 So, as an step to allow generic apps to use this driver, put the device's run_mode in preview after open. After this patch, using v4l2grab starts to work: $ v4l2grab -D -f 'NV12' -x 1600 -y 1200 -d /dev/video2 -u $ nvt/raw2pnm -x1600 -y1200 -f NV12 out017.raw out017.pnm $ feh out017.pnm Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/atomisp/pci/atomisp_fops.c | 5 +++++ 1 file changed, 5 insertions(+) --- diff --git a/drivers/staging/media/atomisp/pci/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp_fops.c index 72cbdce2142a..7df982c80b1a 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_fops.c +++ b/drivers/staging/media/atomisp/pci/atomisp_fops.c @@ -893,6 +893,11 @@ done: else pipe->users++; rt_mutex_unlock(&isp->mutex); + + /* Ensure that a mode is set */ + if (asd) + v4l2_ctrl_s_ctrl(asd->run_mode, ATOMISP_RUN_MODE_PREVIEW); + return 0; css_error: _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
