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| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-03-30 21:40:37 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-04-02 10:01:13 +0100 |
| commit | c14e2591bf54c45c9f80cf728fb90976c4e10384 (patch) | |
| tree | dfd5907a280b8385948106b2025117af981261e3 /sound/soc/atmel | |
| parent | 488cb533911b96fe41af68a0206878aa46b799bc (diff) | |
| download | op-kernel-dev-c14e2591bf54c45c9f80cf728fb90976c4e10384.zip op-kernel-dev-c14e2591bf54c45c9f80cf728fb90976c4e10384.tar.gz | |
ASoC: atmel-pcm-dma: increase buffer_bytes_max
atmel-pcm-dma is not limited to a buffer size of 64kB like atmel-pcm-pdc.
Increase buffer_bytes_max to 512kB to allow for higher bit rates (i.e. 32bps at
192kHz) to work correctly. By default, keep the prealloc at 64kB.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/atmel')
| -rw-r--r-- | sound/soc/atmel/atmel-pcm-dma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c index b8e7bad..b6625c8 100644 --- a/sound/soc/atmel/atmel-pcm-dma.c +++ b/sound/soc/atmel/atmel-pcm-dma.c @@ -54,7 +54,7 @@ static const struct snd_pcm_hardware atmel_pcm_dma_hardware = { .period_bytes_max = 2 * 0xffff, /* if 2 bytes format */ .periods_min = 8, .periods_max = 1024, /* no limit */ - .buffer_bytes_max = ATMEL_SSC_DMABUF_SIZE, + .buffer_bytes_max = 512 * 1024, }; /** @@ -119,7 +119,7 @@ static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream, static const struct snd_dmaengine_pcm_config atmel_dmaengine_pcm_config = { .prepare_slave_config = atmel_pcm_configure_dma, .pcm_hardware = &atmel_pcm_dma_hardware, - .prealloc_buffer_size = ATMEL_SSC_DMABUF_SIZE, + .prealloc_buffer_size = 64 * 1024, }; int atmel_pcm_dma_platform_register(struct device *dev) |
