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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-01-02 16:14:23 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-01-05 00:50:43 +0300
commite0fb28e079b50f891b6c9db1c2bb25fef3268cf4 (patch)
tree8b4326cac30da69d7431344f754b4ede7935d721 /sound/soc/codecs/wm8776.c
parentd11c5ab186310389b8e573be00279bab0a565d30 (diff)
downloadlinux-e0fb28e079b50f891b6c9db1c2bb25fef3268cf4.tar.xz
ASoC: Only restore non-default registers for WM8776
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/codecs/wm8776.c')
-rw-r--r--sound/soc/codecs/wm8776.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index ab2c0da18091..44e7d9d82f87 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -406,6 +406,8 @@ static int wm8776_resume(struct platform_device *pdev)
/* 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);