ALSA: virtuoso: configure correct master clock frequency on the CS2000

The clock output of the CS2000, which is used as master clock for the
DACs, was using half the actual master clock frequency for some reason.
Using the theoretically correct frequency seems also to work in practice.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c
index 2e31b81fc49f2470102512b5bb0b84234a913b47..fce55fa5b0b00c3e8cd6acd1b2936e42dd646602 100644 (file)
--- a/sound/pci/oxygen/xonar_pcm179x.c
+++ b/sound/pci/oxygen/xonar_pcm179x.c
@@ -467,7 +467,7 @@ static void xonar_st_init(struct oxygen *chip)
 
        oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
                       OXYGEN_RATE_48000 | OXYGEN_I2S_FORMAT_I2S |
-                      OXYGEN_I2S_MCLK_128 | OXYGEN_I2S_BITS_16 |
+                      OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
                       OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
 
        xonar_st_init_i2c(chip);
@@ -635,41 +635,40 @@ static void update_cs2000_rate(struct oxygen *chip, unsigned int rate)
        u8 rate_mclk, reg;
 
        switch (rate) {
-               /* XXX Why is the I2S A MCLK half the actual I2S MCLK? */
        case 32000:
-               rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256;
+               rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_512;
                break;
        case 44100:
                if (data->os_128)
-                       rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
+                       rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_512;
                else
-                       rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_128;
+                       rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
                break;
        default: /* 48000 */
                if (data->os_128)
-                       rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
+                       rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_512;
                else
-                       rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_128;
+                       rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
                break;
        case 64000:
-               rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256;
+               rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_512;
                break;
        case 88200:
-               rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
+               rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_512;
                break;
        case 96000:
-               rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
+               rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_512;
                break;
        case 176400:
-               rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
+               rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_512;
                break;
        case 192000:
-               rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
+               rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_512;
                break;
        }
        oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT, rate_mclk,
                              OXYGEN_I2S_RATE_MASK | OXYGEN_I2S_MCLK_MASK);
-       if ((rate_mclk & OXYGEN_I2S_MCLK_MASK) <= OXYGEN_I2S_MCLK_128)
+       if ((rate_mclk & OXYGEN_I2S_MCLK_MASK) <= OXYGEN_I2S_MCLK_256)
                reg = CS2000_REF_CLK_DIV_1;
        else
                reg = CS2000_REF_CLK_DIV_2;