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authorHans Verkuil <hans.verkuil@cisco.com>2013-12-14 15:28:28 +0400
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-01-07 13:37:39 +0400
commita2004502919cce151ee6774378294000b587e4e3 (patch)
tree6d596527b2f1283a1441aa287f829219a0fabf4d /drivers/media/pci/saa7134
parentce791139ec7f0e5878221dba8d5773e27bf057d3 (diff)
downloadlinux-a2004502919cce151ee6774378294000b587e4e3.tar.xz
[media] saa7134: add support for control events
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/pci/saa7134')
-rw-r--r--drivers/media/pci/saa7134/saa7134-empress.c19
-rw-r--r--drivers/media/pci/saa7134/saa7134-video.c32
2 files changed, 38 insertions, 13 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c
index 2ef670d05bda..a0af5c74eab5 100644
--- a/drivers/media/pci/saa7134/saa7134-empress.c
+++ b/drivers/media/pci/saa7134/saa7134-empress.c
@@ -23,11 +23,12 @@
#include <linux/kernel.h>
#include <linux/delay.h>
-#include "saa7134-reg.h"
-#include "saa7134.h"
-
#include <media/saa6752hs.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-event.h>
+
+#include "saa7134-reg.h"
+#include "saa7134.h"
/* ------------------------------------------------------------------ */
@@ -144,9 +145,16 @@ ts_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
static unsigned int
ts_poll(struct file *file, struct poll_table_struct *wait)
{
+ unsigned long req_events = poll_requested_events(wait);
struct saa7134_dev *dev = video_drvdata(file);
+ struct saa7134_fh *fh = file->private_data;
+ unsigned int rc = 0;
- return videobuf_poll_stream(file, &dev->empress_tsq, wait);
+ if (v4l2_event_pending(&fh->fh))
+ rc = POLLPRI;
+ else if (req_events & POLLPRI)
+ poll_wait(file, &fh->fh.wait, wait);
+ return rc | videobuf_poll_stream(file, &dev->empress_tsq, wait);
}
@@ -255,6 +263,9 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = {
.vidioc_s_input = saa7134_s_input,
.vidioc_s_std = saa7134_s_std,
.vidioc_g_std = saa7134_g_std,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
/* ----------------------------------------------------------- */
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 5e2d61c1cf3d..5cf9cc6c0e6e 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -27,11 +27,13 @@
#include <linux/slab.h>
#include <linux/sort.h>
-#include "saa7134-reg.h"
-#include "saa7134.h"
#include <media/v4l2-common.h>
+#include <media/v4l2-event.h>
#include <media/saa6588.h>
+#include "saa7134-reg.h"
+#include "saa7134.h"
+
/* ------------------------------------------------------------------ */
unsigned int video_debug;
@@ -1169,14 +1171,20 @@ video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
static unsigned int
video_poll(struct file *file, struct poll_table_struct *wait)
{
+ unsigned long req_events = poll_requested_events(wait);
struct video_device *vdev = video_devdata(file);
struct saa7134_dev *dev = video_drvdata(file);
struct saa7134_fh *fh = file->private_data;
struct videobuf_buffer *buf = NULL;
unsigned int rc = 0;
+ if (v4l2_event_pending(&fh->fh))
+ rc = POLLPRI;
+ else if (req_events & POLLPRI)
+ poll_wait(file, &fh->fh.wait, wait);
+
if (vdev->vfl_type == VFL_TYPE_VBI)
- return videobuf_poll_stream(file, &dev->vbi, wait);
+ return rc | videobuf_poll_stream(file, &dev->vbi, wait);
if (res_check(fh, RESOURCE_VIDEO)) {
mutex_lock(&dev->cap.vb_lock);
@@ -1201,15 +1209,14 @@ video_poll(struct file *file, struct poll_table_struct *wait)
goto err;
poll_wait(file, &buf->done, wait);
- if (buf->state == VIDEOBUF_DONE ||
- buf->state == VIDEOBUF_ERROR)
- rc = POLLIN|POLLRDNORM;
+ if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR)
+ rc |= POLLIN | POLLRDNORM;
mutex_unlock(&dev->cap.vb_lock);
return rc;
err:
mutex_unlock(&dev->cap.vb_lock);
- return POLLERR;
+ return rc | POLLERR;
}
static int video_release(struct file *file)
@@ -1291,13 +1298,14 @@ static unsigned int radio_poll(struct file *file, poll_table *wait)
{
struct saa7134_dev *dev = video_drvdata(file);
struct saa6588_command cmd;
+ unsigned int rc = v4l2_ctrl_poll(file, wait);
cmd.instance = file;
cmd.event_list = wait;
- cmd.result = -ENODEV;
+ cmd.result = 0;
saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
- return cmd.result;
+ return rc | cmd.result;
}
/* ------------------------------------------------------------------ */
@@ -2097,6 +2105,9 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static const struct v4l2_file_operations radio_fops = {
@@ -2114,6 +2125,9 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = {
.vidioc_s_tuner = radio_s_tuner,
.vidioc_g_frequency = saa7134_g_frequency,
.vidioc_s_frequency = saa7134_s_frequency,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
/* ----------------------------------------------------------- */