1 files changed, 4 insertions, 3 deletions

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 56ecfc72f2e9..81490febac6d 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -631,7 +631,8 @@ static int davinci_config_channel_size(struct davinci_audio_dev *dev,
                                        int word_length)
 {
         u32 fmt;
-        u32 rotate = (word_length / 4) & 0x7;
+        u32 tx_rotate = (word_length / 4) & 0x7;
+        u32 rx_rotate = (32 - word_length) / 4;
         u32 mask = (1ULL << word_length) - 1;
 
         /*
@@ -655,9 +656,9 @@ static int davinci_config_channel_size(struct davinci_audio_dev *dev,
                 mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG,
                                 TXSSZ(fmt), TXSSZ(0x0F));
                 mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG,
-                                TXROT(rotate), TXROT(7));
+                                TXROT(tx_rotate), TXROT(7));
                 mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMT_REG,
-                                RXROT(rotate), RXROT(7));
+                                RXROT(rx_rotate), RXROT(7));
                 mcasp_set_reg(dev->base + DAVINCI_MCASP_RXMASK_REG,
                                 mask);
         }