ASoC: dwc: Added a quirk DW_I2S_QUIRK_16BIT_IDX_OVERRIDE to dwc driver

Added quirk DW_I2S_QUIRK_16BIT_IDX_OVERRIDE to Designware
driver. This quirk will set idx value to 1.

By setting this quirk, it will override supported format
as 16 bit resolution and bus width as 2 Bytes.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

2 files changed, 7 insertions, 0 deletions

diff --git a/include/sound/designware_i2s.h b/include/sound/designware_i2s.h
index 5681855396c4..830f5caa915c 100644
--- a/include/sound/designware_i2s.h
+++ b/include/sound/designware_i2s.h
@@ -47,6 +47,7 @@ struct i2s_platform_data {
 
         #define DW_I2S_QUIRK_COMP_REG_OFFSET    (1 << 0)
         #define DW_I2S_QUIRK_COMP_PARAM1        (1 << 1)
+        #define DW_I2S_QUIRK_16BIT_IDX_OVERRIDE (1 << 2)
         unsigned int quirks;
         unsigned int i2s_reg_comp1;
         unsigned int i2s_reg_comp2;
diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
index 9c46e4112026..916067638180 100644
--- a/sound/soc/dwc/dwc-i2s.c
+++ b/sound/soc/dwc/dwc-i2s.c
@@ -496,6 +496,8 @@ static int dw_configure_dai(struct dw_i2s_dev *dev,
                 idx = COMP1_TX_WORDSIZE_0(comp1);
                 if (WARN_ON(idx >= ARRAY_SIZE(formats)))
                         return -EINVAL;
+                if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE)
+                        idx = 1;
                 dw_i2s_dai->playback.channels_min = MIN_CHANNEL_NUM;
                 dw_i2s_dai->playback.channels_max =
                                 1 << (COMP1_TX_CHANNELS(comp1) + 1);
@@ -508,6 +510,8 @@ static int dw_configure_dai(struct dw_i2s_dev *dev,
                 idx = COMP2_RX_WORDSIZE_0(comp2);
                 if (WARN_ON(idx >= ARRAY_SIZE(formats)))
                         return -EINVAL;
+                if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE)
+                        idx = 1;
                 dw_i2s_dai->capture.channels_min = MIN_CHANNEL_NUM;
                 dw_i2s_dai->capture.channels_max =
                                 1 << (COMP1_RX_CHANNELS(comp1) + 1);
@@ -543,6 +547,8 @@ static int dw_configure_dai_by_pd(struct dw_i2s_dev *dev,
         if (ret < 0)
                 return ret;
 
+        if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE)
+                idx = 1;
         /* Set DMA slaves info */
         dev->play_dma_data.pd.data = pdata->play_dma_data;
         dev->capture_dma_data.pd.data = pdata->capture_dma_data;