diff options
| -rw-r--r-- | sound/soc/kirkwood/kirkwood-i2s.c | 9 | ||||
| -rw-r--r-- | sound/soc/kirkwood/kirkwood.h | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c index 0fdc7db..d80ea1f 100644 --- a/sound/soc/kirkwood/kirkwood-i2s.c +++ b/sound/soc/kirkwood/kirkwood-i2s.c @@ -153,6 +153,15 @@ static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream, default: return -EINVAL; } + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + value &= ~KIRKWOOD_PLAYCTL_MONO_MASK; + if (params_channels(params) == 1) + value |= KIRKWOOD_PLAYCTL_MONO_BOTH; + else + value |= KIRKWOOD_PLAYCTL_MONO_OFF; + } + writel(i2s_value, priv->io+i2s_reg); writel(value, priv->io+reg); diff --git a/sound/soc/kirkwood/kirkwood.h b/sound/soc/kirkwood/kirkwood.h index b6e4f68..bb6e6a5 100644 --- a/sound/soc/kirkwood/kirkwood.h +++ b/sound/soc/kirkwood/kirkwood.h @@ -49,6 +49,9 @@ #define KIRKWOOD_PLAYCTL_BURST_32 (1<<11) #define KIRKWOOD_PLAYCTL_PAUSE (1<<9) #define KIRKWOOD_PLAYCTL_SPDIF_MUTE (1<<8) +#define KIRKWOOD_PLAYCTL_MONO_MASK (3<<5) +#define KIRKWOOD_PLAYCTL_MONO_BOTH (3<<5) +#define KIRKWOOD_PLAYCTL_MONO_OFF (0<<5) #define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7) #define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4) #define KIRKWOOD_PLAYCTL_I2S_EN (1<<3) |