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Diffstat (limited to 'sound/soc/cirrus/ep93xx-i2s.c')
-rw-r--r--sound/soc/cirrus/ep93xx-i2s.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/sound/soc/cirrus/ep93xx-i2s.c b/sound/soc/cirrus/ep93xx-i2s.c
index a57643d6402f..943145f9d1b6 100644
--- a/sound/soc/cirrus/ep93xx-i2s.c
+++ b/sound/soc/cirrus/ep93xx-i2s.c
@@ -21,6 +21,7 @@
21#include <linux/io.h> 21#include <linux/io.h>
22 22
23#include <sound/core.h> 23#include <sound/core.h>
24#include <sound/dmaengine_pcm.h>
24#include <sound/pcm.h> 25#include <sound/pcm.h>
25#include <sound/pcm_params.h> 26#include <sound/pcm_params.h>
26#include <sound/initval.h> 27#include <sound/initval.h>
@@ -30,6 +31,8 @@
30#include <mach/ep93xx-regs.h> 31#include <mach/ep93xx-regs.h>
31#include <linux/platform_data/dma-ep93xx.h> 32#include <linux/platform_data/dma-ep93xx.h>
32 33
34#include "ep93xx-pcm.h"
35
33#define EP93XX_I2S_TXCLKCFG 0x00 36#define EP93XX_I2S_TXCLKCFG 0x00
34#define EP93XX_I2S_RXCLKCFG 0x04 37#define EP93XX_I2S_RXCLKCFG 0x04
35#define EP93XX_I2S_GLCTRL 0x0C 38#define EP93XX_I2S_GLCTRL 0x0C
@@ -61,6 +64,8 @@ struct ep93xx_i2s_info {
61 struct clk *sclk; 64 struct clk *sclk;
62 struct clk *lrclk; 65 struct clk *lrclk;
63 void __iomem *regs; 66 void __iomem *regs;
67 struct snd_dmaengine_dai_dma_data dma_params_rx;
68 struct snd_dmaengine_dai_dma_data dma_params_tx;
64}; 69};
65 70
66static struct ep93xx_dma_data ep93xx_i2s_dma_data[] = { 71static struct ep93xx_dma_data ep93xx_i2s_dma_data[] = {
@@ -140,8 +145,15 @@ static void ep93xx_i2s_disable(struct ep93xx_i2s_info *info, int stream)
140 145
141static int ep93xx_i2s_dai_probe(struct snd_soc_dai *dai) 146static int ep93xx_i2s_dai_probe(struct snd_soc_dai *dai)
142{ 147{
143 dai->playback_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK]; 148 struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai);
144 dai->capture_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE]; 149
150 info->dma_params_tx.filter_data =
151 &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK];
152 info->dma_params_rx.filter_data =
153 &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE];
154
155 dai->playback_dma_data = &info->dma_params_tx;
156 dai->capture_dma_data = &info->dma_params_rx;
145 157
146 return 0; 158 return 0;
147} 159}
@@ -405,8 +417,14 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
405 if (err) 417 if (err)
406 goto fail_put_lrclk; 418 goto fail_put_lrclk;
407 419
420 err = devm_ep93xx_pcm_platform_register(&pdev->dev);
421 if (err)
422 goto fail_unregister;
423
408 return 0; 424 return 0;
409 425
426fail_unregister:
427 snd_soc_unregister_component(&pdev->dev);
410fail_put_lrclk: 428fail_put_lrclk:
411 clk_put(info->lrclk); 429 clk_put(info->lrclk);
412fail_put_sclk: 430fail_put_sclk: