summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorVijendar Mukunda <Vijendar.Mukunda@amd.com>2017-06-23 12:35:00 -0400
committerMark Brown <broonie@kernel.org>2017-06-28 19:01:12 +0100
commit286345eef97ea8f4ea223410f025ed35f265e506 (patch)
treecac7c29004d48b900a14b3c49adaa8a7832fb39f
parent2ea659a9ef488125eb46da6eb571de5eae5c43f6 (diff)
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>
-rw-r--r--include/sound/designware_i2s.h1
-rw-r--r--sound/soc/dwc/dwc-i2s.c6
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;