diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-09 13:19:08 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 12:36:28 -0300 |
commit | 5e4105467bfff64242e1b7aca17ae9e4438be32c (patch) | |
tree | 7b93702460832be2b1d4520454081af262db4311 /drivers | |
parent | 94c0c676592da0e3a8da06fee7ba88c6e9c360f3 (diff) | |
download | linux-5e4105467bfff64242e1b7aca17ae9e4438be32c.tar.bz2 |
[media] go7007: add audio input ioctls
Since we now know what audio inputs there are, we can also get/set and
enumerate them.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/staging/media/go7007/go7007-v4l2.c | 51 |
1 files changed, 48 insertions, 3 deletions
diff --git a/drivers/staging/media/go7007/go7007-v4l2.c b/drivers/staging/media/go7007/go7007-v4l2.c index fcd3e2d3f9ae..a7307812b0de 100644 --- a/drivers/staging/media/go7007/go7007-v4l2.c +++ b/drivers/staging/media/go7007/go7007-v4l2.c @@ -608,9 +608,10 @@ static int vidioc_querycap(struct file *file, void *priv, cap->version = KERNEL_VERSION(0, 9, 8); - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_STREAMING; /* | V4L2_CAP_AUDIO; */ + cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; + if (go->board_info->num_aud_inputs) + cap->device_caps |= V4L2_CAP_AUDIO; if (go->board_info->flags & GO7007_BOARD_HAS_TUNER) cap->capabilities |= V4L2_CAP_TUNER; @@ -1191,7 +1192,10 @@ static int vidioc_enum_input(struct file *file, void *priv, else inp->type = V4L2_INPUT_TYPE_CAMERA; - inp->audioset = 0; + if (go->board_info->num_aud_inputs) + inp->audioset = (1 << go->board_info->num_aud_inputs) - 1; + else + inp->audioset = 0; inp->tuner = 0; if (go->board_info->sensor_flags & GO7007_SENSOR_TV) inp->std = V4L2_STD_NTSC | V4L2_STD_PAL | @@ -1212,6 +1216,39 @@ static int vidioc_g_input(struct file *file, void *priv, unsigned int *input) return 0; } +static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a) +{ + struct go7007 *go = video_drvdata(file); + + if (a->index >= go->board_info->num_aud_inputs) + return -EINVAL; + strlcpy(a->name, go->board_info->aud_inputs[a->index].name, sizeof(a->name)); + a->capability = V4L2_AUDCAP_STEREO; + return 0; +} + +static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) +{ + struct go7007 *go = video_drvdata(file); + + a->index = go->aud_input; + strlcpy(a->name, go->board_info->aud_inputs[go->aud_input].name, sizeof(a->name)); + a->capability = V4L2_AUDCAP_STEREO; + return 0; +} + +static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a) +{ + struct go7007 *go = video_drvdata(file); + + if (a->index >= go->board_info->num_aud_inputs) + return -EINVAL; + go->aud_input = a->index; + v4l2_subdev_call(go->sd_audio, audio, s_routing, + go->board_info->aud_inputs[go->aud_input].audio_input, 0, 0); + return 0; +} + static int vidioc_s_input(struct file *file, void *priv, unsigned int input) { struct go7007 *go = ((struct go7007_file *) priv)->go; @@ -1772,6 +1809,9 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_enum_input = vidioc_enum_input, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, + .vidioc_enumaudio = vidioc_enumaudio, + .vidioc_g_audio = vidioc_g_audio, + .vidioc_s_audio = vidioc_s_audio, .vidioc_queryctrl = vidioc_queryctrl, .vidioc_g_ctrl = vidioc_g_ctrl, .vidioc_s_ctrl = vidioc_s_ctrl, @@ -1816,6 +1856,11 @@ int go7007_v4l2_init(struct go7007 *go) go->video_dev = NULL; return rv; } + if (go->board_info->num_aud_inputs == 0) { + v4l2_disable_ioctl(go->video_dev, VIDIOC_G_AUDIO); + v4l2_disable_ioctl(go->video_dev, VIDIOC_S_AUDIO); + v4l2_disable_ioctl(go->video_dev, VIDIOC_ENUMAUDIO); + } rv = v4l2_device_register(go->dev, &go->v4l2_dev); if (rv < 0) { video_device_release(go->video_dev); |