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    Subject[PATCH v3 10/10] ASoC: wm8988: Convert to snd_soc_cache_sync
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    Date
    Convert to snd_soc_cache_sync for sync reg_cache with the hardware.

    Signed-off-by: Axel Lin <axel.lin@gmail.com>
    ---
    sound/soc/codecs/wm8988.c | 17 ++---------------
    1 files changed, 2 insertions(+), 15 deletions(-)

    diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c
    index 1c6f8bf..2e9eba7 100644
    --- a/sound/soc/codecs/wm8988.c
    +++ b/sound/soc/codecs/wm8988.c
    @@ -55,7 +55,6 @@ struct wm8988_priv {
    struct snd_pcm_hw_constraint_list *sysclk_constraints;
    };

    -
    #define wm8988_reset(c) snd_soc_write(c, WM8988_RESET, 0)

    /*
    @@ -676,6 +675,8 @@ static int wm8988_set_bias_level(struct snd_soc_codec *codec,

    case SND_SOC_BIAS_STANDBY:
    if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
    + snd_soc_cache_sync(codec);
    +
    /* VREF, VMID=2x5k */
    snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x1c1);

    @@ -736,21 +737,7 @@ static int wm8988_suspend(struct snd_soc_codec *codec, pm_message_t state)

    static int wm8988_resume(struct snd_soc_codec *codec)
    {
    - int i;
    - u8 data[2];
    - u16 *cache = codec->reg_cache;
    -
    - /* Sync reg_cache with the hardware */
    - for (i = 0; i < WM8988_NUM_REG; i++) {
    - if (i == WM8988_RESET)
    - continue;
    - data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
    - data[1] = cache[i] & 0x00ff;
    - codec->hw_write(codec->control_data, data, 2);
    - }
    -
    wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
    -
    return 0;
    }

    --
    1.7.4.1




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