When multiple I2S controller instances created,
i2s_instance parameter refers to i2s controller instance value.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
---
include/sound/designware_i2s.h | 4 ++++
sound/soc/dwc/dwc-i2s.c | 1 +
sound/soc/dwc/local.h | 1 +
3 files changed, 6 insertions(+)
diff --git a/include/sound/designware_i2s.h b/include/sound/designware_i2s.h
index 830f5ca..2a94e7c 100644
--- a/include/sound/designware_i2s.h
+++ b/include/sound/designware_i2s.h
@@ -44,6 +44,10 @@ struct i2s_platform_data {
int channel;
u32 snd_fmts;
u32 snd_rates;
+ /* i2s_instance parameter returns I2S controller instance value
+ * when multiple I2S controllers instantiated
+ */
+ u32 i2s_instance;
#define DW_I2S_QUIRK_COMP_REG_OFFSET (1 << 0)
#define DW_I2S_QUIRK_COMP_PARAM1 (1 << 1)
diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
index e27e21f..20145c0 100644
--- a/sound/soc/dwc/dwc-i2s.c
+++ b/sound/soc/dwc/dwc-i2s.c
@@ -549,6 +549,7 @@ static int dw_configure_dai_by_pd(struct dw_i2s_dev *dev,
if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE)
idx = 1;
+ dev->i2s_instance = pdata->i2s_instance;
/* Set DMA slaves info */
dev->play_dma_data.pd.data = pdata->play_dma_data;
dev->capture_dma_data.pd.data = pdata->capture_dma_data;
diff --git a/sound/soc/dwc/local.h b/sound/soc/dwc/local.h
index 91dc70a..e89e464 100644
--- a/sound/soc/dwc/local.h
+++ b/sound/soc/dwc/local.h
@@ -98,6 +98,7 @@ struct dw_i2s_dev {
u32 ccr;
u32 xfer_resolution;
u32 fifo_th;
+ u32 i2s_instance;
/* data related to DMA transfers b/w i2s and DMAC */
union dw_i2s_snd_dma_data play_dma_data;
--
2.7.4
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