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path: root/sound/pci/ice1712/revo.c
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Diffstat (limited to 'sound/pci/ice1712/revo.c')
-rw-r--r--sound/pci/ice1712/revo.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index 05a751c5989..ddd5fc8d4fe 100644
--- a/sound/pci/ice1712/revo.c
+++ b/sound/pci/ice1712/revo.c
@@ -32,6 +32,12 @@
#include "envy24ht.h"
#include "revo.h"
+/* a non-standard I2C device for revo51 */
+struct revo51_spec {
+ struct snd_i2c_device *dev;
+ struct snd_pt2258 *pt2258;
+} revo51;
+
static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
{
/* assert PRST# to converters; MT05 bit 7 */
@@ -152,8 +158,14 @@ static struct snd_i2c_bit_ops revo51_bit_ops = {
static int revo51_i2c_init(struct snd_ice1712 *ice,
struct snd_pt2258 *pt)
{
+ struct revo51_spec *spec;
int err;
+ spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+ ice->spec = spec;
+
/* create the I2C bus */
err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
if (err < 0)
@@ -163,15 +175,14 @@ static int revo51_i2c_init(struct snd_ice1712 *ice,
ice->i2c->hw_ops.bit = &revo51_bit_ops;
/* create the I2C device */
- err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40,
- &ice->spec.revo51.dev);
+ err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
if (err < 0)
return err;
pt->card = ice->card;
pt->i2c_bus = ice->i2c;
- pt->i2c_dev = ice->spec.revo51.dev;
- ice->spec.revo51.pt2258 = pt;
+ pt->i2c_dev = spec->dev;
+ spec->pt2258 = pt;
snd_pt2258_reset(pt);
@@ -555,6 +566,7 @@ static int __devinit revo_init(struct snd_ice1712 *ice)
static int __devinit revo_add_controls(struct snd_ice1712 *ice)
{
+ struct revo51_spec *spec;
int err;
switch (ice->eeprom.subvendor) {
@@ -567,7 +579,8 @@ static int __devinit revo_add_controls(struct snd_ice1712 *ice)
err = snd_ice1712_akm4xxx_build_controls(ice);
if (err < 0)
return err;
- err = snd_pt2258_build_controls(ice->spec.revo51.pt2258);
+ spec = ice->spec;
+ err = snd_pt2258_build_controls(spec->pt2258);
if (err < 0)
return err;
break;