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ASoC: Only restore non-default registers for WM8731

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-01-02 13:14:07 +00:00
parent 5baf831541
commit d11c5ab186
1 changed files with 3 additions and 0 deletions
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3
sound/soc/codecs/wm8731.c
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@ -456,6 +456,9 @@ static int wm8731_resume(struct platform_device *pdev)
/* Sync reg_cache with the hardware */
for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) {
if (cache[i] == wm8731_reg[i])
continue;
data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
data[1] = cache[i] & 0x00ff;
codec->hw_write(codec->control_data, data, 2);