ASoC: wm8961 - clear WM8961_MCLKDIV bit for freq <= 16500000

commit 2f7dceeda4708f470fd927adb3861bd8ebbe2310 upstream.

MCLKDIV bit of Register 04h Clocking1:
	0 : Divide by 1
	1 : Divide by 2

Thus in the case of freq <= 16500000, we should clear MCLKDIV bit.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/sound/soc/codecs/wm8961.c b/sound/soc/codecs/wm8961.c
index ea4c1c6a361d5d68bafaffc416cf90d01efe6a62..3bd65c88d4a0955eb6a5fd9f3f22f349e1762f28 100644 (file)
--- a/sound/soc/codecs/wm8961.c
+++ b/sound/soc/codecs/wm8961.c
@@ -736,7 +736,7 @@ static int wm8961_set_sysclk(struct snd_soc_dai *dai, int clk_id,
                freq /= 2;
        } else {
                dev_dbg(codec->dev, "Using MCLK/1 for %dHz MCLK\n", freq);
-               reg &= WM8961_MCLKDIV;
+               reg &= ~WM8961_MCLKDIV;
        }
 
        snd_soc_write(codec, WM8961_CLOCKING1, reg);