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ASoC: dwc: add quirk to override COMP_PARAM_1 register 

DWC for capture in ACP 2.x IP reports playback and capture capabilities
though it supports only capture. Added a quirk to override default value
to represent capture capability only.

Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Maruthi Srinivas Bayyavarapu 2016-01-08 18:22:05 -05:00 committed by Mark Brown
parent 0032e9dbc5
commit a242cac1d3
2 changed files with 5 additions and 0 deletions
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1
include/sound/designware_i2s.h
View File

@ -46,6 +46,7 @@ struct i2s_platform_data {
u32 snd_rates;
#define DW_I2S_QUIRK_COMP_REG_OFFSET (1 << 0)
#define DW_I2S_QUIRK_COMP_PARAM1 (1 << 1)
unsigned int quirks;
unsigned int i2s_reg_comp1;
unsigned int i2s_reg_comp2;

4
sound/soc/dwc/designware_i2s.c
View File

@ -500,6 +500,10 @@ static int dw_configure_dai(struct dw_i2s_dev *dev,
u32 comp2 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp2);
u32 idx;
if (dev->capability & DWC_I2S_RECORD &&
dev->quirks & DW_I2S_QUIRK_COMP_PARAM1)
comp1 = comp1 & ~BIT(5);
if (COMP1_TX_ENABLED(comp1)) {
dev_dbg(dev->dev, " designware: play supported\n");
idx = COMP1_TX_WORDSIZE_0(comp1);