diff options
| -rw-r--r-- | sound/soc/stm/stm32_spdifrx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c index 84cc5678beba..d7dbe84d5eeb 100644 --- a/sound/soc/stm/stm32_spdifrx.c +++ b/sound/soc/stm/stm32_spdifrx.c @@ -750,17 +750,21 @@ static int stm32_spdifrx_hw_params(struct snd_pcm_substream *substream, switch (data_size) { case 16: fmt = SPDIFRX_DRFMT_PACKED; - spdifrx->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; break; case 32: fmt = SPDIFRX_DRFMT_LEFT; - spdifrx->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; break; default: dev_err(&spdifrx->pdev->dev, "Unexpected data format\n"); return -EINVAL; } + /* + * Set buswidth to 4 bytes for all data formats. + * Packed format: transfer 2 x 2 bytes samples + * Left format: transfer 1 x 3 bytes samples + 1 dummy byte + */ + spdifrx->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; snd_soc_dai_init_dma_data(cpu_dai, NULL, &spdifrx->dma_params); return regmap_update_bits(spdifrx->regmap, STM32_SPDIFRX_CR, |