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>
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 @@
.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 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)