From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Now that saa7164 uses v4l2_fh and that poll() has been fixed, it is
trivial to add support for control events.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Tested-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/pci/saa7164/saa7164-encoder.c | 8 ++++++--
drivers/media/pci/saa7164/saa7164.h | 1 +
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c
index fd32fa0..3bd76c4 100644
--- a/drivers/media/pci/saa7164/saa7164-encoder.c
+++ b/drivers/media/pci/saa7164/saa7164-encoder.c
@@ -919,7 +919,7 @@ static unsigned int fops_poll(struct file *file, poll_table *wait)
struct saa7164_encoder_fh *fh =
(struct saa7164_encoder_fh *)file->private_data;
struct saa7164_port *port = fh->port;
- unsigned int mask = 0;
+ unsigned int mask = v4l2_ctrl_poll(file, wait);
port->last_poll_msecs_diff = port->last_poll_msecs;
port->last_poll_msecs = jiffies_to_msecs(jiffies);
@@ -935,7 +935,7 @@ static unsigned int fops_poll(struct file *file, poll_table *wait)
if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
if (atomic_inc_return(&port->v4l_reader_count) == 1) {
if (saa7164_encoder_initialize(port) < 0)
- return POLLERR;
+ return mask | POLLERR;
saa7164_encoder_start_streaming(port);
msleep(200);
}
@@ -976,6 +976,10 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static struct video_device saa7164_mpeg_template = {
diff --git a/drivers/media/pci/saa7164/saa7164.h b/drivers/media/pci/saa7164/saa7164.h
index 05707e3..1d8e95d 100644
--- a/drivers/media/pci/saa7164/saa7164.h
+++ b/drivers/media/pci/saa7164/saa7164.h
@@ -65,6 +65,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
#include "saa7164-reg.h"
#include "saa7164-types.h"
--
2.1.4
--
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