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@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);