From: Jassi Brar jassi.brar@samsung.com

Instead of hardcoding DMA channel numbers and address, for each controller in the driver, let the information be read from platform data.

Signed-off-by: Jassi Brar jassi.brar@samsung.com --- sound/soc/s3c24xx/s3c64xx-i2s.c | 31 +++++++++++++++++++++---------- 1 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c index 93ed3aa..8ca3c1d 100644 --- a/sound/soc/s3c24xx/s3c64xx-i2s.c +++ b/sound/soc/s3c24xx/s3c64xx-i2s.c @@ -147,6 +147,7 @@ static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev) { struct s3c_i2sv2_info *i2s; struct snd_soc_dai *dai; + struct resource *res; int ret;

if (pdev->id >= MAX_I2SV3) { @@ -174,17 +175,27 @@ static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev) i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id]; i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id];

- if (pdev->id == 0) { - i2s->dma_capture->channel = DMACH_I2S0_IN; - i2s->dma_capture->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISRXD; - i2s->dma_playback->channel = DMACH_I2S0_OUT; - i2s->dma_playback->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISTXD; - } else { - i2s->dma_capture->channel = DMACH_I2S1_IN; - i2s->dma_capture->dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISRXD; - i2s->dma_playback->channel = DMACH_I2S1_OUT; - i2s->dma_playback->dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISTXD; + res = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!res) { + dev_err(&pdev->dev, "Unable to get I2S-TX dma resource\n"); + return -ENXIO; } + i2s->dma_playback->channel = res->start; + + res = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (!res) { + dev_err(&pdev->dev, "Unable to get I2S-RX dma resource\n"); + return -ENXIO; + } + i2s->dma_capture->channel = res->start; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "Unable to get I2S SFR address\n"); + return -ENXIO; + } + i2s->dma_capture->dma_addr = res->start + S3C2412_IISRXD; + i2s->dma_playback->dma_addr = res->start + S3C2412_IISTXD;

i2s->dma_capture->client = &s3c64xx_dma_client_in; i2s->dma_capture->dma_size = 4;