diff options
Diffstat (limited to 'sound/soc/sunxi/sun4i-codec.c')
| -rw-r--r-- | sound/soc/sunxi/sun4i-codec.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index baa9007464ed..5da4efe7a550 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -346,11 +346,6 @@ static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream, 0x3 << 8, 0x1 << 8); - /* Fill most significant bits with valid data MSB */ - regmap_field_update_bits(scodec->reg_adc_fifoc, - BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), - BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE)); - return 0; } @@ -490,6 +485,30 @@ static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec, BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN), 0); + /* Set the number of sample bits to either 16 or 24 bits */ + if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) { + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS), + BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS)); + + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), + 0); + + scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + } else { + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS), + 0); + + /* Fill most significant bits with valid data MSB */ + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), + BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE)); + + scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + } + return 0; } |