ASoC: dwc: fix support for more than two channels

There were missing break statements so everything used
TWO_CHANNEL_SUPPORT.

Also I added a return statement to silence a GCC warning:

	sound/soc/dwc/designware_i2s.c: In function ‘dw_i2s_hw_params’:
	sound/soc/dwc/designware_i2s.c:236:32: warning: ‘ch_reg’ may be
		used uninitialized in this function
		[-Wmaybe-uninitialized]

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c
index 1aa5130..deb30d5 100644 (file)
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s.c
@@ -210,15 +210,19 @@ static int dw_i2s_hw_params(struct snd_pcm_substream *substream,
        switch (config->chan_nr) {
        case EIGHT_CHANNEL_SUPPORT:
                ch_reg = 3;
+               break;
        case SIX_CHANNEL_SUPPORT:
                ch_reg = 2;
+               break;
        case FOUR_CHANNEL_SUPPORT:
                ch_reg = 1;
+               break;
        case TWO_CHANNEL_SUPPORT:
                ch_reg = 0;
                break;
        default:
                dev_err(dev->dev, "channel not supported\n");
+               return -EINVAL;
        }
 
        i2s_disable_channels(dev, substream->stream);