Commit c2d3703c authored by Jonas Petersen's avatar Jonas Petersen Committed by Takashi Iwai
Browse files

ALSA: ice1724: M-Audio Audiophile192: Fix SPDIF input



This patch fixes initialization of the AK4114 chip so spdif capture is working properly.
Worked out together with Pavel Hofman.

Signed-off-by: default avatarJonas Petersen <jnsptrsn1@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent aacfddfd
......@@ -35,6 +35,7 @@
struct revo51_spec {
struct snd_i2c_device *dev;
struct snd_pt2258 *pt2258;
struct ak4114 *ak4114;
};
static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
......@@ -359,9 +360,9 @@ static struct snd_ak4xxx_private akm_ap192_priv = {
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.cs_addr = VT1724_REVO_CS1,
.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
.cs_addr = VT1724_REVO_CS3,
.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
......@@ -372,7 +373,7 @@ static struct snd_ak4xxx_private akm_ap192_priv = {
* CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
* CSN (pin 35) -- GPIO7 pin 59
*/
#define AK4114_ADDR 0x02
#define AK4114_ADDR 0x00
static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
unsigned int data, int idx)
......@@ -426,7 +427,7 @@ static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
tmp = snd_ice1712_gpio_read(ice);
tmp |= VT1724_REVO_CCLK; /* high at init */
tmp |= VT1724_REVO_CS0;
tmp &= ~VT1724_REVO_CS1;
tmp &= ~VT1724_REVO_CS3;
snd_ice1712_gpio_write(ice, tmp);
udelay(1);
return tmp;
......@@ -434,7 +435,7 @@ static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
{
tmp |= VT1724_REVO_CS1;
tmp |= VT1724_REVO_CS3;
tmp |= VT1724_REVO_CS0;
snd_ice1712_gpio_write(ice, tmp);
udelay(1);
......@@ -470,27 +471,32 @@ static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
static int ap192_ak4114_init(struct snd_ice1712 *ice)
{
static const unsigned char ak4114_init_vals[] = {
AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
AK4114_RST | AK4114_PWN | AK4114_OCKS0,
AK4114_DIF_I24I2S,
AK4114_TX1E,
AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(0),
0,
0
};
static const unsigned char ak4114_init_txcsb[] = {
0x41, 0x02, 0x2c, 0x00, 0x00
};
struct ak4114 *ak;
int err;
struct revo51_spec *spec;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
ice->spec = spec;
err = snd_ak4114_create(ice->card,
ap192_ak4114_read,
ap192_ak4114_write,
ak4114_init_vals, ak4114_init_txcsb,
ice, &ak);
ice, &spec->ak4114);
/* AK4114 in Revo cannot detect external rate correctly.
* No reason to stop capture stream due to incorrect checks */
ak->check_flags = AK4114_CHECK_NO_RATE;
spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
return 0; /* error ignored; it's no fatal error */
}
......@@ -562,6 +568,9 @@ static int revo_init(struct snd_ice1712 *ice)
ice);
if (err < 0)
return err;
err = ap192_ak4114_init(ice);
if (err < 0)
return err;
/* unmute all codecs */
snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
......@@ -575,7 +584,7 @@ static int revo_init(struct snd_ice1712 *ice)
static int revo_add_controls(struct snd_ice1712 *ice)
{
struct revo51_spec *spec;
struct revo51_spec *spec = ice->spec;
int err;
switch (ice->eeprom.subvendor) {
......@@ -597,7 +606,9 @@ static int revo_add_controls(struct snd_ice1712 *ice)
err = snd_ice1712_akm4xxx_build_controls(ice);
if (err < 0)
return err;
err = ap192_ak4114_init(ice);
/* only capture SPDIF over AK4114 */
err = snd_ak4114_build(spec->ak4114, NULL,
ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
if (err < 0)
return err;
break;
......
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