diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-12-14 15:28:28 +0400 |
---|---|---|
committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-01-07 13:37:39 +0400 |
commit | a2004502919cce151ee6774378294000b587e4e3 (patch) | |
tree | 6d596527b2f1283a1441aa287f829219a0fabf4d /drivers/media/pci/saa7134 | |
parent | ce791139ec7f0e5878221dba8d5773e27bf057d3 (diff) | |
download | linux-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.c | 19 | ||||
-rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 32 |
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, }; /* ----------------------------------------------------------- */ |