ASoC: wm8994: Ensure there are enough BCLKs for four channels

commit b8edf3e5522735c8ce78b81845f7a1a2d4a08626 upstream.

Otherwise if someone tries to use all four channels on AIF1 with the
device in master mode we won't be able to clock out all the data.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index f351b933f5c422f4ac1f26a44bf702c39b9d3142..4c471a54893ec524b61aafb095557e099e052bcf 100644 (file)
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2695,7 +2695,7 @@ static int wm8994_hw_params(struct snd_pcm_substream *substream,
                return -EINVAL;
        }
 
-       bclk_rate = params_rate(params) * 2;
+       bclk_rate = params_rate(params) * 4;
        switch (params_format(params)) {
        case SNDRV_PCM_FORMAT_S16_LE:
                bclk_rate *= 16;