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path: root/sound/pci/ice1712/prodigy_hifi.c
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Diffstat (limited to 'sound/pci/ice1712/prodigy_hifi.c')
-rw-r--r--sound/pci/ice1712/prodigy_hifi.c46
1 files changed, 36 insertions, 10 deletions
diff --git a/sound/pci/ice1712/prodigy_hifi.c b/sound/pci/ice1712/prodigy_hifi.c
index 043a93879bd..c75515f5be6 100644
--- a/sound/pci/ice1712/prodigy_hifi.c
+++ b/sound/pci/ice1712/prodigy_hifi.c
@@ -1077,7 +1077,7 @@ static int __devinit prodigy_hifi_init(struct snd_ice1712 *ice)
/*
* initialize the chip
*/
-static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice)
+static void ak4396_init(struct snd_ice1712 *ice)
{
static unsigned short ak4396_inits[] = {
AK4396_CTRL1, 0x87, /* I2S Normal Mode, 24 bit */
@@ -1087,9 +1087,37 @@ static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice)
AK4396_RCH_ATT, 0x00,
};
- struct prodigy_hifi_spec *spec;
unsigned int i;
+ /* initialize ak4396 codec */
+ /* reset codec */
+ ak4396_write(ice, AK4396_CTRL1, 0x86);
+ msleep(100);
+ ak4396_write(ice, AK4396_CTRL1, 0x87);
+
+ for (i = 0; i < ARRAY_SIZE(ak4396_inits); i += 2)
+ ak4396_write(ice, ak4396_inits[i], ak4396_inits[i+1]);
+}
+
+#ifdef CONFIG_PM
+static int __devinit prodigy_hd2_resume(struct snd_ice1712 *ice)
+{
+ /* initialize ak4396 codec and restore previous mixer volumes */
+ struct prodigy_hifi_spec *spec = ice->spec;
+ int i;
+ mutex_lock(&ice->gpio_mutex);
+ ak4396_init(ice);
+ for (i = 0; i < 2; i++)
+ ak4396_write(ice, AK4396_LCH_ATT + i, spec->vol[i] & 0xff);
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+#endif
+
+static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice)
+{
+ struct prodigy_hifi_spec *spec;
+
ice->vt1720 = 0;
ice->vt1724 = 1;
@@ -1112,14 +1140,12 @@ static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice)
return -ENOMEM;
ice->spec = spec;
- /* initialize ak4396 codec */
- /* reset codec */
- ak4396_write(ice, AK4396_CTRL1, 0x86);
- msleep(100);
- ak4396_write(ice, AK4396_CTRL1, 0x87);
-
- for (i = 0; i < ARRAY_SIZE(ak4396_inits); i += 2)
- ak4396_write(ice, ak4396_inits[i], ak4396_inits[i+1]);
+#ifdef CONFIG_PM
+ ice->pm_resume = &prodigy_hd2_resume;
+ ice->pm_suspend_enabled = 1;
+#endif
+
+ ak4396_init(ice);
return 0;
}