2 files changed, 12 insertions, 2 deletions

diff --git a/arch/arm/plat-mxc/include/mach/ssi.h b/arch/arm/plat-mxc/include/mach/ssi.h
index c34ded523f10..63f3c2804239 100644
--- a/arch/arm/plat-mxc/include/mach/ssi.h
+++ b/arch/arm/plat-mxc/include/mach/ssi.h
@@ -10,6 +10,9 @@ struct imx_ssi_platform_data {
         unsigned int flags;
 #define IMX_SSI_DMA            (1 << 0)
 #define IMX_SSI_USE_AC97       (1 << 1)
+#define IMX_SSI_NET            (1 << 2)
+#define IMX_SSI_SYN            (1 << 3)
+#define IMX_SSI_USE_I2S_SLAVE  (1 << 4)
         void (*ac97_reset) (struct snd_ac97 *ac97);
         void (*ac97_warm_reset)(struct snd_ac97 *ac97);
 };
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index 80b4fee2442b..50f51624c535 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -83,8 +83,6 @@ static int imx_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai,
 /*
  * SSI DAI format configuration.
  * Should only be called when port is inactive (i.e. SSIEN = 0).
- * Note: We don't use the I2S modes but instead manually configure the
- * SSI for I2S because the I2S mode is only a register preset.
  */
 static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 {
@@ -99,6 +97,10 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
                 /* data on rising edge of bclk, frame low 1clk before data */
                 strcr |= SSI_STCR_TFSI | SSI_STCR_TEFS | SSI_STCR_TXBIT0;
                 scr |= SSI_SCR_NET;
+                if (ssi->flags & IMX_SSI_USE_I2S_SLAVE) {
+                        scr &= ~SSI_I2S_MODE_MASK;
+                        scr |= SSI_SCR_I2S_MODE_SLAVE;
+                }
                 break;
         case SND_SOC_DAIFMT_LEFT_J:
                 /* data on rising edge of bclk, frame high with data */
@@ -143,6 +145,11 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 
         strcr |= SSI_STCR_TFEN0;
 
+        if (ssi->flags & IMX_SSI_NET)
+                scr |= SSI_SCR_NET;
+        if (ssi->flags & IMX_SSI_SYN)
+                scr |= SSI_SCR_SYN;
+
         writel(strcr, ssi->base + SSI_STCR);
         writel(strcr, ssi->base + SSI_SRCR);
         writel(scr, ssi->base + SSI_SCR);