diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-empress.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-empress.c | 74 |
1 files changed, 69 insertions, 5 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index e11700eb3e5a..2a5ab957542d 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -294,10 +294,20 @@ static int empress_streamoff(struct file *file, void *priv, return videobuf_streamoff(&dev->empress_tsq); } +static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev, + unsigned int cmd, void *arg) +{ + if (dev->mpeg_i2c_client == NULL) + return -EINVAL; + return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client, + cmd, arg); +} + static int empress_s_ext_ctrls(struct file *file, void *priv, struct v4l2_ext_controls *ctrls) { struct saa7134_dev *dev = file->private_data; + int err; /* count == 0 is abused in saa6752hs.c, so that special case is handled here explicitly. */ @@ -307,10 +317,10 @@ static int empress_s_ext_ctrls(struct file *file, void *priv, if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; - saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, ctrls); + err = saa7134_i2c_call_saa6752(dev, VIDIOC_S_EXT_CTRLS, ctrls); ts_init_encoder(dev); - return 0; + return err; } static int empress_g_ext_ctrls(struct file *file, void *priv, @@ -320,9 +330,62 @@ static int empress_g_ext_ctrls(struct file *file, void *priv, if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; - saa7134_i2c_call_clients(dev, VIDIOC_G_EXT_CTRLS, ctrls); + return saa7134_i2c_call_saa6752(dev, VIDIOC_G_EXT_CTRLS, ctrls); +} - return 0; +static int empress_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + static const u32 user_ctrls[] = { + V4L2_CID_USER_CLASS, + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_AUDIO_VOLUME, + V4L2_CID_AUDIO_MUTE, + V4L2_CID_HFLIP, + 0 + }; + + static const u32 mpeg_ctrls[] = { + V4L2_CID_MPEG_CLASS, + V4L2_CID_MPEG_STREAM_TYPE, + V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, + V4L2_CID_MPEG_AUDIO_ENCODING, + V4L2_CID_MPEG_AUDIO_L2_BITRATE, + V4L2_CID_MPEG_VIDEO_ENCODING, + V4L2_CID_MPEG_VIDEO_ASPECT, + V4L2_CID_MPEG_VIDEO_BITRATE_MODE, + V4L2_CID_MPEG_VIDEO_BITRATE, + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, + 0 + }; + static const u32 *ctrl_classes[] = { + user_ctrls, + mpeg_ctrls, + NULL + }; + struct saa7134_dev *dev = file->private_data; + + c->id = v4l2_ctrl_next(ctrl_classes, c->id); + if (c->id == 0) + return -EINVAL; + if (c->id == V4L2_CID_USER_CLASS || c->id == V4L2_CID_MPEG_CLASS) + return v4l2_ctrl_query_fill_std(c); + if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) + return saa7134_queryctrl(file, priv, c); + return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYCTRL, c); +} + +static int empress_querymenu(struct file *file, void *priv, + struct v4l2_querymenu *c) +{ + struct saa7134_dev *dev = file->private_data; + + if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYMENU, c); } static const struct file_operations ts_fops = @@ -363,7 +426,8 @@ static struct video_device saa7134_empress_template = .vidioc_g_input = empress_g_input, .vidioc_s_input = empress_s_input, - .vidioc_queryctrl = saa7134_queryctrl, + .vidioc_queryctrl = empress_queryctrl, + .vidioc_querymenu = empress_querymenu, .vidioc_g_ctrl = saa7134_g_ctrl, .vidioc_s_ctrl = saa7134_s_ctrl, |