diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/tegra/tegra20_i2s.c | 16 | ||||
| -rw-r--r-- | sound/soc/tegra/tegra_pcm.c | 20 |
2 files changed, 25 insertions, 11 deletions
diff --git a/sound/soc/tegra/tegra20_i2s.c b/sound/soc/tegra/tegra20_i2s.c index c8682302b4aa..9ebe36795b07 100644 --- a/sound/soc/tegra/tegra20_i2s.c +++ b/sound/soc/tegra/tegra20_i2s.c @@ -249,9 +249,14 @@ static int tegra20_i2s_hw_params(struct snd_pcm_substream *substream, tegra20_i2s_write(i2s, TEGRA20_I2S_TIMING, reg); - tegra20_i2s_write(i2s, TEGRA20_I2S_FIFO_SCR, - TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS | - TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS); + if (sample_size * params_channels(params) >= 32) + tegra20_i2s_write(i2s, TEGRA20_I2S_FIFO_SCR, + TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS | + TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS); + else + tegra20_i2s_write(i2s, TEGRA20_I2S_FIFO_SCR, + TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_EIGHT_SLOTS | + TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_EIGHT_SLOTS); i2s->reg_ctrl &= ~TEGRA20_I2S_CTRL_FIFO_FORMAT_MASK; reg = tegra20_i2s_read(i2s, TEGRA20_I2S_PCM_CTRL); @@ -263,12 +268,17 @@ static int tegra20_i2s_hw_params(struct snd_pcm_substream *substream, else i2s->reg_ctrl |= TEGRA20_I2S_CTRL_FIFO_FORMAT_32; + i2s->capture_dma_data.width = sample_size; + i2s->playback_dma_data.width = sample_size; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) reg |= TEGRA20_I2S_PCM_CTRL_TRM_MODE_EN; else reg |= TEGRA20_I2S_PCM_CTRL_RCV_MODE_EN; } else { i2s->reg_ctrl |= TEGRA20_I2S_CTRL_FIFO_FORMAT_PACKED; + i2s->capture_dma_data.width = 32; + i2s->playback_dma_data.width = 32; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) reg &= ~TEGRA20_I2S_PCM_CTRL_TRM_MODE_EN; else diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c index 3eab18cfe864..f277d282fbd4 100644 --- a/sound/soc/tegra/tegra_pcm.c +++ b/sound/soc/tegra/tegra_pcm.c @@ -150,14 +150,6 @@ static int tegra_pcm_open(struct snd_pcm_substream *substream) dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); if (dmap) { - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - setup_dma_tx_request(&prtd->dma_req[0], dmap); - setup_dma_tx_request(&prtd->dma_req[1], dmap); - } else { - setup_dma_rx_request(&prtd->dma_req[0], dmap); - setup_dma_rx_request(&prtd->dma_req[1], dmap); - } - prtd->dma_req[0].dev = prtd; prtd->dma_req[1].dev = prtd; @@ -215,9 +207,21 @@ static int tegra_pcm_hw_params(struct snd_pcm_substream *substream, { struct snd_pcm_runtime *runtime = substream->runtime; struct tegra_runtime_data *prtd = runtime->private_data; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct tegra_pcm_dma_params * dmap; snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); + dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + if (dmap) { + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + setup_dma_tx_request(&prtd->dma_req[0], dmap); + setup_dma_tx_request(&prtd->dma_req[1], dmap); + } else { + setup_dma_rx_request(&prtd->dma_req[0], dmap); + setup_dma_rx_request(&prtd->dma_req[1], dmap); + } + } prtd->dma_req[0].size = params_period_bytes(params); prtd->dma_req[1].size = prtd->dma_req[0].size; |