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    Subject[PATCH 05/11] ASoC: wm8776: Convert to snd_soc_write
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    Date
    Convert codec->hw_write to snd_soc_write

    Signed-off-by: Axel Lin <axel.lin@gmail.com>
    ---
    sound/soc/codecs/wm8776.c | 36 ++++++++++++++++++++++--------------
    1 files changed, 22 insertions(+), 14 deletions(-)

    diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
    index 00d8846..9d488e6 100644
    --- a/sound/soc/codecs/wm8776.c
    +++ b/sound/soc/codecs/wm8776.c
    @@ -298,6 +298,26 @@ static int wm8776_set_sysclk(struct snd_soc_dai *dai,
    return 0;
    }

    +static void wm8776_sync_cache(struct snd_soc_codec *codec)
    +{
    + short i;
    + u16 *cache;
    +
    + if (!codec->cache_sync)
    + return;
    + codec->cache_only = 0;
    + codec->cache_bypass = 1;
    + /* restore cache */
    + cache = codec->reg_cache;
    + for (i = 0; i < codec->driver->reg_cache_size; i++) {
    + if (i == WM8776_RESET || cache[i] == wm8776_reg[i])
    + continue;
    + snd_soc_write(codec, i, cache[i]);
    + }
    + codec->cache_bypass = 0;
    + codec->cache_sync = 0;
    +}
    +
    static int wm8776_set_bias_level(struct snd_soc_codec *codec,
    enum snd_soc_bias_level level)
    {
    @@ -308,6 +328,8 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
    break;
    case SND_SOC_BIAS_STANDBY:
    if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
    + wm8776_sync_cache(codec);
    +
    /* Disable the global powerdown; DAPM does the rest */
    snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0);
    }
    @@ -379,21 +401,7 @@ static int wm8776_suspend(struct snd_soc_codec *codec, pm_message_t state)

    static int wm8776_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 < ARRAY_SIZE(wm8776_reg); i++) {
    - if (cache[i] == wm8776_reg[i])
    - continue;
    - data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
    - data[1] = cache[i] & 0x00ff;
    - codec->hw_write(codec->control_data, data, 2);
    - }
    -
    wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
    -
    return 0;
    }
    #else
    --
    1.7.4.1




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