diff options
| -rw-r--r-- | include/sound/tea575x-tuner.h | 4 | ||||
| -rw-r--r-- | sound/i2c/other/tea575x-tuner.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h index 0c3c2fb..7bd6f61 100644 --- a/include/sound/tea575x-tuner.h +++ b/include/sound/tea575x-tuner.h @@ -37,6 +37,10 @@ struct snd_tea575x; struct snd_tea575x_ops { + /* Drivers using snd_tea575x must either define read_ and write_val */ + void (*write_val)(struct snd_tea575x *tea, u32 val); + u32 (*read_val)(struct snd_tea575x *tea); + /* Or define the 3 pin functions */ void (*set_pins)(struct snd_tea575x *tea, u8 pins); u8 (*get_pins)(struct snd_tea575x *tea); void (*set_direction)(struct snd_tea575x *tea, bool output); diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c index b29b88f..080aae9 100644 --- a/sound/i2c/other/tea575x-tuner.c +++ b/sound/i2c/other/tea575x-tuner.c @@ -71,6 +71,9 @@ static void snd_tea575x_write(struct snd_tea575x *tea, unsigned int val) u16 l; u8 data; + if (tea->ops->write_val) + return tea->ops->write_val(tea, val); + tea->ops->set_direction(tea, 1); udelay(16); @@ -94,6 +97,9 @@ static u32 snd_tea575x_read(struct snd_tea575x *tea) u16 l, rdata; u32 data = 0; + if (tea->ops->read_val) + return tea->ops->read_val(tea); + tea->ops->set_direction(tea, 0); tea->ops->set_pins(tea, 0); udelay(16); |