diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2015-01-16 10:58:32 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-01-27 13:14:20 +0100 |
| commit | 35655bf85473abae9ff76f25ec6b321f9935c7bc (patch) | |
| tree | bd134db63cf798b838702305fb7c94f6343e07e8 /drivers/media/pci | |
| parent | [media] tea575x: split and export functions (diff) | |
| download | linux-35655bf85473abae9ff76f25ec6b321f9935c7bc.tar.xz linux-35655bf85473abae9ff76f25ec6b321f9935c7bc.zip | |
[media] bttv: Improve TEA575x support
Improve g_tuner and add s_hw_freq_seek and enum_freq_bands support for cards
with TEA575x radio.
This allows signal/stereo detection and HW seek to work on these cards.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/pci')
| -rw-r--r-- | drivers/media/pci/bt8xx/bttv-driver.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index e7f8aded35f8..4ec2a3c3f23c 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -2515,6 +2515,8 @@ static int bttv_querycap(struct file *file, void *priv, if (btv->has_saa6588) cap->device_caps |= V4L2_CAP_READWRITE | V4L2_CAP_RDS_CAPTURE; + if (btv->has_tea575x) + cap->device_caps |= V4L2_CAP_HW_FREQ_SEEK; } return 0; } @@ -3244,6 +3246,9 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) if (btv->audio_mode_gpio) btv->audio_mode_gpio(btv, t, 0); + if (btv->has_tea575x) + return snd_tea575x_g_tuner(&btv->tea, t); + return 0; } @@ -3261,6 +3266,30 @@ static int radio_s_tuner(struct file *file, void *priv, return 0; } +static int radio_s_hw_freq_seek(struct file *file, void *priv, + const struct v4l2_hw_freq_seek *a) +{ + struct bttv_fh *fh = priv; + struct bttv *btv = fh->btv; + + if (btv->has_tea575x) + return snd_tea575x_s_hw_freq_seek(file, &btv->tea, a); + + return -ENOTTY; +} + +static int radio_enum_freq_bands(struct file *file, void *priv, + struct v4l2_frequency_band *band) +{ + struct bttv_fh *fh = priv; + struct bttv *btv = fh->btv; + + if (btv->has_tea575x) + return snd_tea575x_enum_freq_bands(&btv->tea, band); + + return -ENOTTY; +} + static ssize_t radio_read(struct file *file, char __user *data, size_t count, loff_t *ppos) { @@ -3318,6 +3347,8 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = { .vidioc_s_tuner = radio_s_tuner, .vidioc_g_frequency = bttv_g_frequency, .vidioc_s_frequency = bttv_s_frequency, + .vidioc_s_hw_freq_seek = radio_s_hw_freq_seek, + .vidioc_enum_freq_bands = radio_enum_freq_bands, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; |