diff options
Diffstat (limited to 'sound/soc/cirrus/ep93xx-i2s.c')
| -rw-r--r-- | sound/soc/cirrus/ep93xx-i2s.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/sound/soc/cirrus/ep93xx-i2s.c b/sound/soc/cirrus/ep93xx-i2s.c index 17ad70bca9f..943145f9d1b 100644 --- a/sound/soc/cirrus/ep93xx-i2s.c +++ b/sound/soc/cirrus/ep93xx-i2s.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <sound/core.h> +#include <sound/dmaengine_pcm.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/initval.h> @@ -30,6 +31,8 @@ #include <mach/ep93xx-regs.h> #include <linux/platform_data/dma-ep93xx.h> +#include "ep93xx-pcm.h" + #define EP93XX_I2S_TXCLKCFG 0x00 #define EP93XX_I2S_RXCLKCFG 0x04 #define EP93XX_I2S_GLCTRL 0x0C @@ -61,6 +64,8 @@ struct ep93xx_i2s_info { struct clk *sclk; struct clk *lrclk; void __iomem *regs; + struct snd_dmaengine_dai_dma_data dma_params_rx; + struct snd_dmaengine_dai_dma_data dma_params_tx; }; static struct ep93xx_dma_data ep93xx_i2s_dma_data[] = { @@ -140,8 +145,15 @@ static void ep93xx_i2s_disable(struct ep93xx_i2s_info *info, int stream) static int ep93xx_i2s_dai_probe(struct snd_soc_dai *dai) { - dai->playback_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK]; - dai->capture_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE]; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai); + + info->dma_params_tx.filter_data = + &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK]; + info->dma_params_rx.filter_data = + &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE]; + + dai->playback_dma_data = &info->dma_params_tx; + dai->capture_dma_data = &info->dma_params_rx; return 0; } @@ -376,9 +388,6 @@ static int ep93xx_i2s_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENODEV; - info->regs = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(info->regs)) return PTR_ERR(info->regs); @@ -408,10 +417,15 @@ static int ep93xx_i2s_probe(struct platform_device *pdev) if (err) goto fail_put_lrclk; + err = devm_ep93xx_pcm_platform_register(&pdev->dev); + if (err) + goto fail_unregister; + return 0; +fail_unregister: + snd_soc_unregister_component(&pdev->dev); fail_put_lrclk: - dev_set_drvdata(&pdev->dev, NULL); clk_put(info->lrclk); fail_put_sclk: clk_put(info->sclk); @@ -426,7 +440,6 @@ static int ep93xx_i2s_remove(struct platform_device *pdev) struct ep93xx_i2s_info *info = dev_get_drvdata(&pdev->dev); snd_soc_unregister_component(&pdev->dev); - dev_set_drvdata(&pdev->dev, NULL); clk_put(info->lrclk); clk_put(info->sclk); clk_put(info->mclk); |