From: Maruthi Srinivas Bayyavarapu Maruthi.Bayyavarapu@amd.com
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 --- include/sound/designware_i2s.h | 1 + sound/soc/dwc/designware_i2s.c | 4 ++++ 2 files changed, 5 insertions(+)
diff --git a/include/sound/designware_i2s.h b/include/sound/designware_i2s.h index e0bb458..5681855 100644 --- a/include/sound/designware_i2s.h +++ b/include/sound/designware_i2s.h @@ -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; diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c index 825a1f4..ce664c2 100644 --- a/sound/soc/dwc/designware_i2s.c +++ b/sound/soc/dwc/designware_i2s.c @@ -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);