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

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

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-02-04 12:36:32 +01:00
parent f339eb0f30
commit a76969228a
1 changed files with 17 additions and 8 deletions
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25
sound/pci/ice1712/revo.c
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@ -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;
}