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Diffstat (limited to 'sound/soc/samsung/i2s.c')
-rw-r--r--sound/soc/samsung/i2s.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 87a874d..6ac7b82 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -3,7 +3,7 @@
* ALSA SoC Audio Layer - Samsung I2S Controller driver
*
* Copyright (c) 2010 Samsung Electronics Co. Ltd.
- * Jaswinder Singh <jassi.brar@samsung.com>
+ * Jaswinder Singh <jassisinghbrar@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -559,6 +559,17 @@ static int i2s_hw_params(struct snd_pcm_substream *substream,
mod |= MOD_DC1_EN;
break;
case 2:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ i2s->dma_playback.dma_size = 4;
+ else
+ i2s->dma_capture.dma_size = 4;
+ break;
+ case 1:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ i2s->dma_playback.dma_size = 2;
+ else
+ i2s->dma_capture.dma_size = 2;
+
break;
default:
dev_err(&i2s->pdev->dev, "%d channels not supported\n",
@@ -761,15 +772,13 @@ static int i2s_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
local_irq_save(flags);
- if (capture)
+ if (capture) {
i2s_rxctrl(i2s, 0);
- else
- i2s_txctrl(i2s, 0);
-
- if (capture)
i2s_fifo(i2s, FIC_RXFLUSH);
- else
+ } else {
+ i2s_txctrl(i2s, 0);
i2s_fifo(i2s, FIC_TXFLUSH);
+ }
local_irq_restore(flags);
break;
@@ -965,7 +974,7 @@ struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
i2s->i2s_dai_drv.playback.formats = SAMSUNG_I2S_FMTS;
if (!sec) {
- i2s->i2s_dai_drv.capture.channels_min = 2;
+ i2s->i2s_dai_drv.capture.channels_min = 1;
i2s->i2s_dai_drv.capture.channels_max = 2;
i2s->i2s_dai_drv.capture.rates = SAMSUNG_I2S_RATES;
i2s->i2s_dai_drv.capture.formats = SAMSUNG_I2S_FMTS;
@@ -1143,7 +1152,7 @@ static struct platform_driver samsung_i2s_driver = {
module_platform_driver(samsung_i2s_driver);
/* Module information */
-MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>");
+MODULE_AUTHOR("Jaswinder Singh, <jassisinghbrar@gmail.com>");
MODULE_DESCRIPTION("Samsung I2S Interface");
MODULE_ALIAS("platform:samsung-i2s");
MODULE_LICENSE("GPL");