[ALSA] ice1724 - Add ADC setup in set_rate callback for Audiophile192

Added the missing GPIO setup for the AK5385A ADC codec on Audiophile192.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 17 insertions, 8 deletions

diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index 1d3b1ebf9c9b..7c930cc05f1d 100644
--- a/sound/pci/ice1712/revo.c
+++ b/sound/pci/ice1712/revo.c
@@ -322,17 +322,23 @@ static struct snd_pt2258 ptc_revo51_volume;
 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 {
         struct snd_ice1712 *ice = ak->private_data[0];
+        int dfs;
 
         revo_set_rate_val(ak, rate);
 
-#if 1 /* FIXME: do we need this procedure? */
-        /* reset DFS pin of AK5385A for ADC, too */
-        /* DFS0 (pin 18) -- GPIO10 pin 77 */
-        snd_ice1712_save_gpio_status(ice);
-        snd_ice1712_gpio_write_bits(ice, 1 << 10,
-                                    rate > 48000 ? (1 << 10) : 0);
-        snd_ice1712_restore_gpio_status(ice);
-#endif
+        /* reset CKS */
+        snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 : 0);
+        /* reset DFS pins of AK5385A for ADC, too */
+        if (rate > 96000)
+                dfs = 2;
+        else if (rate > 48000)
+                dfs = 1;
+        else
+                dfs = 0;
+        snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
+        /* reset ADC */
+        snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
+        snd_ice1712_gpio_write_bits(ice, 1 << 11, 1);
 }
 
 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
@@ -549,6 +555,9 @@ static int __devinit revo_init(struct snd_ice1712 *ice)
                 if (err < 0)
                         return err;
                 
+                /* unmute all codecs */
+                snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
+                                            VT1724_REVO_MUTE);
                 break;
         }