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[media] tea575x-tuner: move HW init to a separate function 

Move HW initialization to separate function to allow using the code without
the v4l parts. This is needed for use in the bttv driver.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
hifive-unleashed-5.1
Ondrej Zary 2013-05-14 16:54:43 -03:00 committed by Mauro Carvalho Chehab
parent b3ba8fa6b8
commit 8fd79579c9
2 changed files with 14 additions and 6 deletions
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1
include/sound/tea575x-tuner.h
View File

@ -71,6 +71,7 @@ struct snd_tea575x {
int (*ext_init)(struct snd_tea575x *tea);
};
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);
void snd_tea575x_set_freq(struct snd_tea575x *tea);

19
sound/i2c/other/tea575x-tuner.c
View File

@ -486,13 +486,9 @@ static const struct v4l2_ctrl_ops tea575x_ctrl_ops = {
.s_ctrl = tea575x_s_ctrl,
};
/*
* initialize all the tea575x chips
*/
int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner)
{
int retval;
int snd_tea575x_hw_init(struct snd_tea575x *tea)
{
tea->mute = true;
/* Not all devices can or know how to read the data back.
@ -507,6 +503,17 @@ int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner)
tea->freq = 90500 * 16; /* 90.5Mhz default */
snd_tea575x_set_freq(tea);
return 0;
}
EXPORT_SYMBOL(snd_tea575x_hw_init);
int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner)
{
int retval = snd_tea575x_hw_init(tea);
if (retval)
return retval;
tea->vd = tea575x_radio;
video_set_drvdata(&tea->vd, tea);
mutex_init(&tea->mutex);