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[media] tea575x: split and export functions

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Split ioctl interface from enum_freq_bands, g_tuner and s_hw_freq_seek
functions and export them to be used in other drivers like bttv.

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>
This commit is contained in:
Ondrej Zary 2015-01-15 17:10:46 -03:00 committed by Mauro Carvalho Chehab
parent 1b50037315
commit 6994ca3df1
2 changed files with 37 additions and 9 deletions
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41
drivers/media/radio/tea575x.c
View file

@ -247,10 +247,9 @@ static int vidioc_querycap(struct file *file, void *priv,
return 0;
}
static int vidioc_enum_freq_bands(struct file *file, void *priv,
struct v4l2_frequency_band *band)
int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea,
struct v4l2_frequency_band *band)
{
struct snd_tea575x *tea = video_drvdata(file);
int index;
if (band->tuner != 0)
@ -279,18 +278,25 @@ static int vidioc_enum_freq_bands(struct file *file, void *priv,
return 0;
}
EXPORT_SYMBOL(snd_tea575x_enum_freq_bands);
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *v)
static int vidioc_enum_freq_bands(struct file *file, void *priv,
struct v4l2_frequency_band *band)
{
struct snd_tea575x *tea = video_drvdata(file);
return snd_tea575x_enum_freq_bands(tea, band);
}
int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v)
{
struct v4l2_frequency_band band_fm = { 0, };
if (v->index > 0)
return -EINVAL;
snd_tea575x_read(tea);
vidioc_enum_freq_bands(file, priv, &band_fm);
snd_tea575x_enum_freq_bands(tea, &band_fm);
memset(v, 0, sizeof(*v));
strlcpy(v->name, tea->has_am ? "FM/AM" : "FM", sizeof(v->name));
@ -304,6 +310,15 @@ static int vidioc_g_tuner(struct file *file, void *priv,
v->signal = tea->tuned ? 0xffff : 0;
return 0;
}
EXPORT_SYMBOL(snd_tea575x_g_tuner);
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *v)
{
struct snd_tea575x *tea = video_drvdata(file);
return snd_tea575x_g_tuner(tea, v);
}
static int vidioc_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *v)
@ -356,10 +371,9 @@ static int vidioc_s_frequency(struct file *file, void *priv,
return 0;
}
static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
const struct v4l2_hw_freq_seek *a)
int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea,
const struct v4l2_hw_freq_seek *a)
{
struct snd_tea575x *tea = video_drvdata(file);
unsigned long timeout;
int i, spacing;
@ -442,6 +456,15 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
snd_tea575x_set_freq(tea);
return -ENODATA;
}
EXPORT_SYMBOL(snd_tea575x_s_hw_freq_seek);
static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
const struct v4l2_hw_freq_seek *a)
{
struct snd_tea575x *tea = video_drvdata(file);
return snd_tea575x_s_hw_freq_seek(file, tea, a);
}
static int tea575x_s_ctrl(struct v4l2_ctrl *ctrl)
{

5
include/media/tea575x.h
View file

@ -71,6 +71,11 @@ struct snd_tea575x {
int (*ext_init)(struct snd_tea575x *tea);
};
int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea,
struct v4l2_frequency_band *band);
int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v);
int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea,
const struct v4l2_hw_freq_seek *a);
int snd_tea575x_hw_init(struct snd_tea575x *tea);
int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner);
void snd_tea575x_exit(struct snd_tea575x *tea);