ASoC: wm8711: Fix wrong mask for setting input audio data bit length select

The Input Audio Data Bit Length Select is controlled by BIT[3:2] of
WM8711_IFACE(07h) register.
Current code incorrectly masks BIT[1:0] which is for Audio Data Format Select.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org

diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index 8d0347c..8ba49d8 100644 (file)
--- a/sound/soc/codecs/wm8711.c
+++ b/sound/soc/codecs/wm8711.c
@@ -151,7 +151,7 @@ static int wm8711_hw_params(struct snd_pcm_substream *substream,
 {
        struct snd_soc_codec *codec = dai->codec;
        struct wm8711_priv *wm8711 =  snd_soc_codec_get_drvdata(codec);
-       u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0xfffc;
+       u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0xfff3;
        int i = get_coeff(wm8711->sysclk, params_rate(params));
        u16 srate = (coeff_div[i].sr << 2) |
                (coeff_div[i].bosr << 1) | coeff_div[i].usb;