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| author | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-04-21 09:12:35 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-04-21 09:12:35 (GMT) |
| commit | 676ee36be04985062522804c2de04f0764212be6 (patch) | |
| tree | 781df135c5a91a04decad1b7d53b5a925dc11522 /drivers/media/v4l2-core/v4l2-ctrls.c | |
| parent | b18042a673e88c9457a6d1716219c2367ca447b0 (diff) | |
| parent | e183201b9e917daf2530b637b2f34f1d5afb934d (diff) | |
| download | linux-676ee36be04985062522804c2de04f0764212be6.tar.xz | |
Merge branch 'patchwork' into v4l_for_linus
* patchwork: (404 commits)
[media] uvcvideo: add support for VIDIOC_QUERY_EXT_CTRL
[media] uvcvideo: fix cropcap v4l2-compliance failure
[media] media: omap3isp: remove unused clkdev
[media] coda: Add tracing support
[media] coda: drop dma_sync_single_for_device in coda_bitstream_queue
[media] coda: fix fill bitstream errors in nonstreaming case
[media] coda: call SEQ_END when the first queue is stopped
[media] coda: fail to start streaming if userspace set invalid formats
[media] coda: remove duplicate error messages for buffer allocations
[media] coda: move parameter buffer in together with context buffer allocation
[media] coda: allocate bitstream buffer from REQBUFS, size depends on the format
[media] coda: allocate per-context buffers from REQBUFS
[media] coda: use strlcpy instead of snprintf
[media] coda: bitstream payload is unsigned
[media] coda: fix double call to debugfs_remove
[media] coda: check kasprintf return value in coda_open
[media] coda: bitrate can only be set in kbps steps
[media] v4l2-mem2mem: no need to initialize b in v4l2_m2m_next_buf and v4l2_m2m_buf_remove
[media] s5p-mfc: set allow_zero_bytesused flag for vb2_queue_init
[media] coda: set allow_zero_bytesused flag for vb2_queue_init
...
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 45c5b47..e3a3468 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -991,7 +991,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_AUTO_FOCUS_START: case V4L2_CID_AUTO_FOCUS_STOP: *type = V4L2_CTRL_TYPE_BUTTON; - *flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + *flags |= V4L2_CTRL_FLAG_WRITE_ONLY | + V4L2_CTRL_FLAG_EXECUTE_ON_WRITE; *min = *max = *step = *def = 0; break; case V4L2_CID_POWER_LINE_FREQUENCY: @@ -1172,7 +1173,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_FOCUS_RELATIVE: case V4L2_CID_IRIS_RELATIVE: case V4L2_CID_ZOOM_RELATIVE: - *flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + *flags |= V4L2_CTRL_FLAG_WRITE_ONLY | + V4L2_CTRL_FLAG_EXECUTE_ON_WRITE; break; case V4L2_CID_FLASH_STROBE_STATUS: case V4L2_CID_AUTO_FOCUS_STATUS: @@ -1609,6 +1611,19 @@ static int cluster_changed(struct v4l2_ctrl *master) if (ctrl == NULL) continue; + + if (ctrl->flags & V4L2_CTRL_FLAG_EXECUTE_ON_WRITE) + changed = ctrl_changed = true; + + /* + * Set has_changed to false to avoid generating + * the event V4L2_EVENT_CTRL_CH_VALUE + */ + if (ctrl->flags & V4L2_CTRL_FLAG_VOLATILE) { + ctrl->has_changed = false; + continue; + } + for (idx = 0; !ctrl_changed && idx < ctrl->elems; idx++) ctrl_changed = !ctrl->type_ops->equal(ctrl, idx, ctrl->p_cur, ctrl->p_new); @@ -1974,7 +1989,8 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, sz_extra = 0; if (type == V4L2_CTRL_TYPE_BUTTON) - flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + flags |= V4L2_CTRL_FLAG_WRITE_ONLY | + V4L2_CTRL_FLAG_EXECUTE_ON_WRITE; else if (type == V4L2_CTRL_TYPE_CTRL_CLASS) flags |= V4L2_CTRL_FLAG_READ_ONLY; else if (type == V4L2_CTRL_TYPE_INTEGER64 || |