Commit 78bf3c9a authored Jun 03, 2011 by Mark Brown

ASoC: Enforce the mask in snd_soc_update_bits()



Avoids issues if someone does a read followed by restore and doesn't mask
out only the bits being updated.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

parent 51b3b5ca

sound/soc/soc-core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2323,7 +2323,7 @@ int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
		return ret;

		old = ret;
		new = (old & ~mask) \| value;
		new = (old & ~mask) \| (value & mask);
		change = old != new;
		if (change) {
		ret = snd_soc_write(codec, reg, new);