[media] cx88: support control events

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 14 insertions, 7 deletions

diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 95cdfed80f4e..0f1cc8dba957 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -35,6 +35,7 @@
 #include <linux/firmware.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
 #include <media/cx2341x.h>
 
 #include "cx88.h"
@@ -1053,7 +1054,7 @@ mpeg_poll(struct file *file, struct poll_table_struct *wait)
         if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM)))
                 blackbird_start_codec(file, fh);
 
-        return videobuf_poll_stream(file, &fh->mpegq, wait);
+        return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait);
 }
 
 static int
@@ -1096,6 +1097,8 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
         .vidioc_g_tuner       = vidioc_g_tuner,
         .vidioc_s_tuner       = vidioc_s_tuner,
         .vidioc_s_std         = vidioc_s_std,
+        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
+        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
 };
 
 static struct video_device cx8802_mpeg_template = {
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 673f88be325f..930d43b0d89e 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -40,6 +40,7 @@
 #include "cx88.h"
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
 #include <media/wm8775.h>
 
 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
@@ -823,12 +824,12 @@ video_poll(struct file *file, struct poll_table_struct *wait)
         struct video_device *vdev = video_devdata(file);
         struct cx8800_fh *fh = file->private_data;
         struct cx88_buffer *buf;
-        unsigned int rc = POLLERR;
+        unsigned int rc = v4l2_ctrl_poll(file, wait);
 
         if (vdev->vfl_type == VFL_TYPE_VBI) {
                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
-                        return POLLERR;
-                return videobuf_poll_stream(file, &fh->vbiq, wait);
+                        return rc | POLLERR;
+                return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
         }
 
         mutex_lock(&fh->vidq.vb_lock);
@@ -846,9 +847,7 @@ video_poll(struct file *file, struct poll_table_struct *wait)
         poll_wait(file, &buf->vb.done, wait);
         if (buf->vb.state == VIDEOBUF_DONE ||
             buf->vb.state == VIDEOBUF_ERROR)
-                rc = POLLIN|POLLRDNORM;
-        else
-                rc = 0;
+                rc |= POLLIN|POLLRDNORM;
 done:
         mutex_unlock(&fh->vidq.vb_lock);
         return rc;
@@ -1561,6 +1560,8 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
         .vidioc_s_tuner       = vidioc_s_tuner,
         .vidioc_g_frequency   = vidioc_g_frequency,
         .vidioc_s_frequency   = vidioc_s_frequency,
+        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
+        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_register    = vidioc_g_register,
         .vidioc_s_register    = vidioc_s_register,
@@ -1581,6 +1582,7 @@ static const struct v4l2_file_operations radio_fops =
 {
         .owner         = THIS_MODULE,
         .open          = video_open,
+        .poll          = v4l2_ctrl_poll,
         .release       = video_release,
         .unlocked_ioctl = video_ioctl2,
 };
@@ -1591,6 +1593,8 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = {
         .vidioc_s_tuner       = radio_s_tuner,
         .vidioc_g_frequency   = vidioc_g_frequency,
         .vidioc_s_frequency   = vidioc_s_frequency,
+        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
+        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_register    = vidioc_g_register,
         .vidioc_s_register    = vidioc_s_register,