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| author | Xingyu Wu <xingyu.wu@starfivetech.com> | 2022-08-25 05:36:50 +0300 |
|---|---|---|
| committer | Xingyu Wu <xingyu.wu@starfivetech.com> | 2022-08-30 15:47:43 +0300 |
| commit | 7f6e856ff292a40a605fd12408a72f16f72c5a05 (patch) | |
| tree | 40d5cb2a92c7a8b8af17e054510df36d60eb2b24 | |
| parent | 337d8ee4ce89a42b7c4315a6ae1a08f9ca79ff3b (diff) | |
| download | linux-7f6e856ff292a40a605fd12408a72f16f72c5a05.tar.xz | |
sound:dwc:i2s:Support 16bit playback and capture
Add 16bit playing and record but unsupport 8k rate.
Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
| -rwxr-xr-x | sound/soc/dwc/dwc-i2s.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index 88042dd41307..d21ffc678e30 100755 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -255,6 +255,15 @@ static int dw_i2s_hw_params(struct snd_pcm_substream *substream, switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: + if (params_rate(params) == 8000) { + dev_err(dev->dev, "I2S: unsupported 8000 rate with S16_LE, Stereo.\n"); + return -EINVAL; + } + + if (txrx == SNDRV_PCM_STREAM_PLAYBACK) + dev->play_dma_data.dt.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + else + dev->capture_dma_data.dt.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; config->data_width = 16; dev->ccr = 0x00; dev->xfer_resolution = 0x02; @@ -1018,6 +1027,9 @@ static int dw_configure_dai(struct dw_i2s_dev *dev, dw_i2s_dai->playback.channels_max = 1 << (COMP1_TX_CHANNELS(comp1) + 1); dw_i2s_dai->playback.formats = formats[idx]; + for (;idx > 0; idx--) + dw_i2s_dai->playback.formats |= formats[idx - 1]; + dw_i2s_dai->playback.rates = rates; } @@ -1032,6 +1044,9 @@ static int dw_configure_dai(struct dw_i2s_dev *dev, dw_i2s_dai->capture.channels_max = 1 << (COMP1_RX_CHANNELS(comp1) + 1); dw_i2s_dai->capture.formats = formats[idx]; + for (;idx > 0; idx--) + dw_i2s_dai->capture.formats |= formats[idx - 1]; + dw_i2s_dai->capture.rates = rates; } |