ALSA: virtuoso: wait for PCM1796 clock to become stable

[firefly-linux-kernel-4.4.55.git] / sound / pci / oxygen / xonar_pcm179x.c

diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c
index 49898d39f875ffc79e93ccc2f1bc1954b72f1e27..5ec164a70cf2bf621f2447ab6876164b1c190096 100644 (file)
--- a/sound/pci/oxygen/xonar_pcm179x.c
+++ b/sound/pci/oxygen/xonar_pcm179x.c
@@ -303,6 +303,7 @@ static void pcm1796_registers_init(struct oxygen *chip)
        unsigned int i;
        s8 gain_offset;
 
+       msleep(1);
        gain_offset = data->hp_active ? data->hp_gain_offset : 0;
        for (i = 0; i < data->dacs; ++i) {
                /* set ATLD before ATL/ATR */
@@ -451,6 +452,7 @@ static void cs2000_registers_init(struct oxygen *chip)
                     data->cs2000_regs[CS2000_FUN_CFG_1]);
        cs2000_write(chip, CS2000_FUN_CFG_2, 0);
        cs2000_write(chip, CS2000_GLOBAL_CFG, CS2000_EN_DEV_CFG_2);
+       msleep(3); /* PLL lock delay */
 }
 
 static void xonar_st_init(struct oxygen *chip)
@@ -592,6 +594,7 @@ static void set_pcm1796_params(struct oxygen *chip,
 {
        struct xonar_pcm179x *data = chip->model_data;
 
+       msleep(1);
        data->current_rate = params_rate(params);
        update_pcm1796_oversampling(chip);
 }
@@ -669,6 +672,7 @@ static void update_cs2000_rate(struct oxygen *chip, unsigned int rate)
        else
                reg = CS2000_REF_CLK_DIV_2;
        cs2000_write_cached(chip, CS2000_FUN_CFG_1, reg);
+       msleep(3); /* PLL lock delay */
 }
 
 static void set_st_params(struct oxygen *chip,
@@ -796,6 +800,7 @@ static int os_128_put(struct snd_kcontrol *ctl,
                oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
                                      mclk_from_rate(chip, data->current_rate),
                                      OXYGEN_I2S_MCLK_MASK);
+               msleep(1);
                update_pcm1796_oversampling(chip);
        }
        mutex_unlock(&chip->mutex);