1 files changed, 9 insertions, 9 deletions

diff --git a/sound/soc/ep93xx/ep93xx-i2s.c b/sound/soc/ep93xx/ep93xx-i2s.c
index 9ac93f6b4f8..fff579a1c13 100644
--- a/sound/soc/ep93xx/ep93xx-i2s.c
+++ b/sound/soc/ep93xx/ep93xx-i2s.c
@@ -267,14 +267,16 @@ static int ep93xx_i2s_hw_params(struct snd_pcm_substream *substream,
                 ep93xx_i2s_write_reg(info, EP93XX_I2S_RXWRDLEN, word_len);
 
         /*
-         * Calculate the sdiv (bit clock) and lrdiv (left/right clock) values.
-         * If the lrclk is pulse length is larger than the word size, then the
-         * bit clock will be gated for the unused bits.
+         * EP93xx I2S module can be setup so SCLK / LRCLK value can be
+         * 32, 64, 128. MCLK / SCLK value can be 2 and 4.
+         * We set LRCLK equal to `rate' and minimum SCLK / LRCLK 
+         * value is 64, because our sample size is 32 bit * 2 channels.
+         * I2S standard permits us to transmit more bits than
+         * the codec uses.
          */
-        div = (clk_get_rate(info->mclk) / params_rate(params)) *
-                params_channels(params);
+        div = clk_get_rate(info->mclk) / params_rate(params);
         for (sdiv = 2; sdiv <= 4; sdiv += 2)
-                for (lrdiv = 32; lrdiv <= 128; lrdiv <<= 1)
+                for (lrdiv = 64; lrdiv <= 128; lrdiv <<= 1)
                         if (sdiv * lrdiv == div) {
                                 found = 1;
                                 goto out;
@@ -341,9 +343,7 @@ static struct snd_soc_dai_ops ep93xx_i2s_dai_ops = {
         .set_fmt        = ep93xx_i2s_set_dai_fmt,
 };
 
-#define EP93XX_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
-                            SNDRV_PCM_FMTBIT_S24_LE | \
-                            SNDRV_PCM_FMTBIT_S32_LE)
+#define EP93XX_I2S_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
 
 static struct snd_soc_dai_driver ep93xx_i2s_dai = {
         .symmetric_rates= 1,