ASoC: fsl-ssi: Fix i2s_mode variable setup

In fsl_ssi_hw_params() we update the I2S and NET bits using the i2s_mode
variable. The fsl_ssi_set_dai_fmt() function only writes the i2s-mode to
the i2s_mode variable and not the NET bit. This fixes it by adding that
bit to i2s_mode.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/fsl/fsl_ssi.c

@@ -745,7 +745,6 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 	fsl_ssi_setup_reg_vals(ssi_private);
 
 	scr = read_ssi(&ssi->scr) & ~(CCSR_SSI_SCR_SYN | CCSR_SSI_SCR_I2S_MODE_MASK);
-	scr |= CCSR_SSI_SCR_NET;
 
 	mask = CCSR_SSI_STCR_TXBIT0 | CCSR_SSI_STCR_TFDIR | CCSR_SSI_STCR_TXDIR |
 		CCSR_SSI_STCR_TSCKP | CCSR_SSI_STCR_TFSI | CCSR_SSI_STCR_TFSL |
@@ -753,14 +752,15 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 	stcr = read_ssi(&ssi->stcr) & ~mask;
 	srcr = read_ssi(&ssi->srcr) & ~mask;
 
+	ssi_private->i2s_mode = CCSR_SSI_SCR_NET;
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_I2S:
 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 		case SND_SOC_DAIFMT_CBS_CFS:
-			ssi_private->i2s_mode = CCSR_SSI_SCR_I2S_MODE_MASTER;
+			ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_MASTER;
 			break;
 		case SND_SOC_DAIFMT_CBM_CFM:
-			ssi_private->i2s_mode = CCSR_SSI_SCR_I2S_MODE_SLAVE;
+			ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_SLAVE;
 			break;
 		default:
 			return -EINVAL;
@@ -785,7 +785,7 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 			CCSR_SSI_STCR_TXBIT0;
 		break;
 	case SND_SOC_DAIFMT_AC97:
-		ssi_private->i2s_mode = CCSR_SSI_SCR_I2S_MODE_NORMAL;
+		ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_NORMAL;
 		break;
 	default:
 		return -EINVAL;