[alsa-devel] [PATCH 3/6] ASoC: fsl_sai: Drop useless channels check in hw_params()

[Nicolin Chen]

SAi only supports two data channels on hardware level and the driver also does
register the min->1 and max->2, so no need to check channels.

Signed-off-by: Nicolin Chen <Guangyu.Chen at freescale.com>
---
 sound/soc/fsl/fsl_sai.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 6f1e8aa..f899e82 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -278,10 +278,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
 		val_cr5 |= FSL_SAI_CR5_FBT(0);
 
 	val_cr4 |= FSL_SAI_CR4_FRSZ(channels);
-	if (channels == 2 || channels == 1)
-		val_mr = ~0UL - ((1 << channels) - 1);
-	else
-		return -EINVAL;
+	val_mr = ~0UL - ((1 << channels) - 1);
 
 	sai_writel(sai, val_cr4, sai->base + reg_cr4);
 	sai_writel(sai, val_cr5, sai->base + reg_cr5);
-- 
1.8.4