[ALSA] ice1712, ice1724 - Code clean up

[deliverable/linux.git] / sound / pci / ice1712 / revo.c

diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index 05a751c598936d7ceeacea0b08817a4025d5363d..ddd5fc8d4fe12e9bbd3e61db39e95b8e07381826 100644 (file)
--- 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;