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-rw-r--r--include/sound/tea575x-tuner.h4
-rw-r--r--sound/i2c/other/tea575x-tuner.c6
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);