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facetimehd: Add basic event subscription

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This commit is contained in:
Patrik Jakobsson
2015-11-30 00:33:36 +01:00
parent d57b16fc64
commit 3f5fa56ae3
1 changed files with 15 additions and 0 deletions
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15
fthd_v4l2.c
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@@ -26,6 +26,7 @@
#include <media/v4l2-dev.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
#include <media/videobuf2-dma-sg.h>
#include "fthd_drv.h"
#include "fthd_hw.h"
@@ -536,6 +537,17 @@ static int fthd_v4l2_ioctl_enum_frameintervals(struct file *filp, void *priv,
return 0;
}
static int fthd_v4l2_ioctl_subscribe_event(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
switch (sub->type) {
case V4L2_EVENT_CTRL:
return v4l2_ctrl_subscribe_event(fh, sub);
}
return -EINVAL;
}
static struct v4l2_ioctl_ops fthd_ioctl_ops = {
.vidioc_enum_input = fthd_v4l2_ioctl_enum_input,
.vidioc_g_input = fthd_v4l2_ioctl_g_input,
@@ -561,6 +573,9 @@ static struct v4l2_ioctl_ops fthd_ioctl_ops = {
.vidioc_s_parm = fthd_v4l2_ioctl_s_parm,
.vidioc_enum_framesizes = fthd_v4l2_ioctl_enum_framesizes,
.vidioc_enum_frameintervals = fthd_v4l2_ioctl_enum_frameintervals,
.vidioc_subscribe_event = fthd_v4l2_ioctl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static int fthd_g_volatile_ctrl(struct v4l2_ctrl *ctrl)