ASoC: DaVinci: Add a DAI format to McASP driver

The patch adds a DAI format: Codec bit clock master and frame sync slave,
to the driver.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/davinci/davinci-mcasp.c

@@ -443,6 +443,16 @@ static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 
 		mcasp_set_bits(base + DAVINCI_MCASP_PDIR_REG, (0x7 << 26));
 		break;
+	case SND_SOC_DAIFMT_CBM_CFS:
+		/* codec is clock master and frame slave */
+		mcasp_set_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXE);
+		mcasp_set_bits(base + DAVINCI_MCASP_TXFMCTL_REG, AFSXE);
+
+		mcasp_set_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRE);
+		mcasp_set_bits(base + DAVINCI_MCASP_RXFMCTL_REG, AFSRE);
+
+		mcasp_set_bits(base + DAVINCI_MCASP_PDIR_REG, (0x2d << 26));
+		break;
 	case SND_SOC_DAIFMT_CBM_CFM:
 		/* codec is clock and frame master */
 		mcasp_clr_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXE);