From a76969228a5b341f9c968abbc6eb7655ac3734e4 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 4 Feb 2008 12:36:32 +0100 Subject: [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 --- sound/pci/ice1712/revo.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) (limited to 'sound') diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c index 1d3b1eb..7c930cc 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; } -- cgit v1.1