diff options
| author |   Michael Tretter <m.tretter@pengutronix.de> | 2019-06-18 12:45:08 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-06-24 14:12:07 -0400 |
| commit | 60c74167fef4d25112ce32030bdbb958a8d01cae (patch) | |
| tree | 920663502290247ed299198f34c234d31432add1 /drivers/media | |
| parent | media: cafe-driver: mark an static var as such (diff) | |
| download | linux-dev-60c74167fef4d25112ce32030bdbb958a8d01cae.tar.xz linux-dev-60c74167fef4d25112ce32030bdbb958a8d01cae.zip | |
media: coda: implement CMD_START to restart decoding
The CMD_START shall be used to start the processing after a drain that
was initiated with CMD_STOP.
Up until now, a drain on coda could only be finished with a
STREAMOFF-STREAMON, which resulted in a reset of the device.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index de64040dad8a..c7dcab4d1f6c 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1059,16 +1059,29 @@ static int coda_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc) { struct coda_ctx *ctx = fh_to_ctx(fh); + struct vb2_queue *dst_vq; int ret; ret = coda_try_decoder_cmd(file, fh, dc); if (ret < 0) return ret; - /* Set the stream-end flag on this context */ - coda_bit_stream_end_flag(ctx); - ctx->hold = false; - v4l2_m2m_try_schedule(ctx->fh.m2m_ctx); + switch (dc->cmd) { + case V4L2_DEC_CMD_START: + dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, + V4L2_BUF_TYPE_VIDEO_CAPTURE); + vb2_clear_last_buffer_dequeued(dst_vq); + ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG; + break; + case V4L2_DEC_CMD_STOP: + /* Set the stream-end flag on this context */ + coda_bit_stream_end_flag(ctx); + ctx->hold = false; + v4l2_m2m_try_schedule(ctx->fh.m2m_ctx); + break; + default: + return -EINVAL; + } return 0; } |