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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>
This commit is contained in:
Vijendar Mukunda 2017-06-23 12:35:00 -04:00 committed by Mark Brown
parent 2ea659a9ef
commit 286345eef9
2 changed files with 7 additions and 0 deletions
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1
include/sound/designware_i2s.h
View File

@ -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;

6
sound/soc/dwc/dwc-i2s.c
View File

@ -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;