[alsa-devel] [PATCH] ASoC: dwc: I2S Controller instance param added
When multiple I2S controller instances created, i2s_instance parameter refers to i2s controller instance value.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- include/sound/designware_i2s.h | 4 ++++ sound/soc/dwc/dwc-i2s.c | 1 + sound/soc/dwc/local.h | 1 + 3 files changed, 6 insertions(+)
diff --git a/include/sound/designware_i2s.h b/include/sound/designware_i2s.h index 830f5ca..2a94e7c 100644 --- a/include/sound/designware_i2s.h +++ b/include/sound/designware_i2s.h @@ -44,6 +44,10 @@ struct i2s_platform_data { int channel; u32 snd_fmts; u32 snd_rates; + /* i2s_instance parameter returns I2S controller instance value + * when multiple I2S controllers instantiated + */ + u32 i2s_instance;
#define DW_I2S_QUIRK_COMP_REG_OFFSET (1 << 0) #define DW_I2S_QUIRK_COMP_PARAM1 (1 << 1) diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index e27e21f..20145c0 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -549,6 +549,7 @@ static int dw_configure_dai_by_pd(struct dw_i2s_dev *dev,
if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) idx = 1; + dev->i2s_instance = pdata->i2s_instance; /* Set DMA slaves info */ dev->play_dma_data.pd.data = pdata->play_dma_data; dev->capture_dma_data.pd.data = pdata->capture_dma_data; diff --git a/sound/soc/dwc/local.h b/sound/soc/dwc/local.h index 91dc70a..e89e464 100644 --- a/sound/soc/dwc/local.h +++ b/sound/soc/dwc/local.h @@ -98,6 +98,7 @@ struct dw_i2s_dev { u32 ccr; u32 xfer_resolution; u32 fifo_th; + u32 i2s_instance;
/* data related to DMA transfers b/w i2s and DMAC */ union dw_i2s_snd_dma_data play_dma_data;
-----Original Message----- From: Vijendar Mukunda [mailto:Vijendar.Mukunda@amd.com] Sent: Monday, March 19, 2018 2:36 AM To: broonie@kernel.org; alsa-devel@alsa-project.org; perex@perex.cz Cc: lgirdwood@gmail.com; tiwai@suse.de; Deucher, Alexander Alexander.Deucher@amd.com; Agrawal, Akshu Akshu.Agrawal@amd.com; Mukunda, Vijendar Vijendar.Mukunda@amd.com Subject: [PATCH] ASoC: dwc: I2S Controller instance param added
When multiple I2S controller instances created, i2s_instance parameter refers to i2s controller instance value.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com
include/sound/designware_i2s.h | 4 ++++ sound/soc/dwc/dwc-i2s.c | 1 + sound/soc/dwc/local.h | 1 + 3 files changed, 6 insertions(+)
diff --git a/include/sound/designware_i2s.h b/include/sound/designware_i2s.h index 830f5ca..2a94e7c 100644 --- a/include/sound/designware_i2s.h +++ b/include/sound/designware_i2s.h @@ -44,6 +44,10 @@ struct i2s_platform_data { int channel; u32 snd_fmts; u32 snd_rates;
- /* i2s_instance parameter returns I2S controller instance value
* when multiple I2S controllers instantiated*/- u32 i2s_instance;
Please add the defines for I2S_SP_INSTANCE and I2S_BT_INSTANCE to this header so you don't have to define them locally in the other patches. With that fixed, the patch is: Reviewed-by: Alex Deucher alexander.deucher@amd.com
#define DW_I2S_QUIRK_COMP_REG_OFFSET (1 << 0) #define DW_I2S_QUIRK_COMP_PARAM1 (1 << 1) diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index e27e21f..20145c0 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -549,6 +549,7 @@ static int dw_configure_dai_by_pd(struct dw_i2s_dev *dev,
if (dev->quirks & DW_I2S_QUIRK_16BIT_IDX_OVERRIDE) idx = 1;
- dev->i2s_instance = pdata->i2s_instance; /* Set DMA slaves info */ dev->play_dma_data.pd.data = pdata->play_dma_data; dev->capture_dma_data.pd.data = pdata->capture_dma_data; diff -
-git a/sound/soc/dwc/local.h b/sound/soc/dwc/local.h index 91dc70a..e89e464 100644 --- a/sound/soc/dwc/local.h +++ b/sound/soc/dwc/local.h @@ -98,6 +98,7 @@ struct dw_i2s_dev { u32 ccr; u32 xfer_resolution; u32 fifo_th;
u32 i2s_instance;
/* data related to DMA transfers b/w i2s and DMAC */ union dw_i2s_snd_dma_data play_dma_data;
-- 2.7.4
participants (2)
-
Deucher, Alexander -
Vijendar Mukunda