Release 4.7 sound/soc/samsung/s3c24xx-i2s.c

Directory: sound/soc/samsung
/*
 * s3c24xx-i2s.c  --  ALSA Soc Audio Layer
 *
 * (c) 2006 Wolfson Microelectronics PLC.
 * Graeme Gregory graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
 *
 * Copyright 2004-2005 Simtec Electronics
 *      http://armlinux.simtec.co.uk/
 *      Ben Dooks <ben@simtec.co.uk>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 */

#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/module.h>

#include <sound/soc.h>
#include <sound/pcm_params.h>

#include <mach/gpio-samsung.h>
#include <plat/gpio-cfg.h>
#include "regs-iis.h"

#include "dma.h"
#include "s3c24xx-i2s.h"

#include <linux/platform_data/asoc-s3c.h>


static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_out = {
	.ch_name	= "tx",
	.dma_size	= 2,
};


static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_in = {
	.ch_name	= "rx",
	.dma_size	= 2,
};


struct s3c24xx_i2s_info {
	
void __iomem	*regs;
	
struct clk	*iis_clk;
	
u32		iiscon;
	
u32		iismod;
	
u32		iisfcon;
	
u32		iispsr;
};

static struct s3c24xx_i2s_info s3c24xx_i2s;



static void s3c24xx_snd_txctrl(int on)
{
	u32 iisfcon;
	u32 iiscon;
	u32 iismod;

	pr_debug("Entered %s\n", __func__);

	iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON);
	iiscon  = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
	iismod  = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);

	pr_debug("r: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon);

	if (on) {
		iisfcon |= S3C2410_IISFCON_TXDMA | S3C2410_IISFCON_TXENABLE;
		iiscon  |= S3C2410_IISCON_TXDMAEN | S3C2410_IISCON_IISEN;
		iiscon  &= ~S3C2410_IISCON_TXIDLE;
		iismod  |= S3C2410_IISMOD_TXMODE;

		writel(iismod,  s3c24xx_i2s.regs + S3C2410_IISMOD);
		writel(iisfcon, s3c24xx_i2s.regs + S3C2410_IISFCON);
		writel(iiscon,  s3c24xx_i2s.regs + S3C2410_IISCON);
	} else {
		/* note, we have to disable the FIFOs otherwise bad things
                 * seem to happen when the DMA stops. According to the
                 * Samsung supplied kernel, this should allow the DMA
                 * engine and FIFOs to reset. If this isn't allowed, the
                 * DMA engine will simply freeze randomly.
                 */

		iisfcon &= ~S3C2410_IISFCON_TXENABLE;
		iisfcon &= ~S3C2410_IISFCON_TXDMA;
		iiscon  |=  S3C2410_IISCON_TXIDLE;
		iiscon  &= ~S3C2410_IISCON_TXDMAEN;
		iismod  &= ~S3C2410_IISMOD_TXMODE;

		writel(iiscon,  s3c24xx_i2s.regs + S3C2410_IISCON);
		writel(iisfcon, s3c24xx_i2s.regs + S3C2410_IISFCON);
		writel(iismod,  s3c24xx_i2s.regs + S3C2410_IISMOD);
	}

	pr_debug("w: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon);
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 195 97.01% 1 25.00%
mark brown mark brown 5 2.49% 2 50.00%
harvey harrison harvey harrison 1 0.50% 1 25.00%
Total 201 100.00% 4 100.00%



static void s3c24xx_snd_rxctrl(int on)
{
	u32 iisfcon;
	u32 iiscon;
	u32 iismod;

	pr_debug("Entered %s\n", __func__);

	iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON);
	iiscon  = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
	iismod  = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);

	pr_debug("r: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon);

	if (on) {
		iisfcon |= S3C2410_IISFCON_RXDMA | S3C2410_IISFCON_RXENABLE;
		iiscon  |= S3C2410_IISCON_RXDMAEN | S3C2410_IISCON_IISEN;
		iiscon  &= ~S3C2410_IISCON_RXIDLE;
		iismod  |= S3C2410_IISMOD_RXMODE;

		writel(iismod,  s3c24xx_i2s.regs + S3C2410_IISMOD);
		writel(iisfcon, s3c24xx_i2s.regs + S3C2410_IISFCON);
		writel(iiscon,  s3c24xx_i2s.regs + S3C2410_IISCON);
	} else {
		/* note, we have to disable the FIFOs otherwise bad things
                 * seem to happen when the DMA stops. According to the
                 * Samsung supplied kernel, this should allow the DMA
                 * engine and FIFOs to reset. If this isn't allowed, the
                 * DMA engine will simply freeze randomly.
                 */

		iisfcon &= ~S3C2410_IISFCON_RXENABLE;
		iisfcon &= ~S3C2410_IISFCON_RXDMA;
		iiscon  |= S3C2410_IISCON_RXIDLE;
		iiscon  &= ~S3C2410_IISCON_RXDMAEN;
		iismod  &= ~S3C2410_IISMOD_RXMODE;

		writel(iisfcon, s3c24xx_i2s.regs + S3C2410_IISFCON);
		writel(iiscon,  s3c24xx_i2s.regs + S3C2410_IISCON);
		writel(iismod,  s3c24xx_i2s.regs + S3C2410_IISMOD);
	}

	pr_debug("w: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon);
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 195 97.01% 1 25.00%
mark brown mark brown 5 2.49% 2 50.00%
harvey harrison harvey harrison 1 0.50% 1 25.00%
Total 201 100.00% 4 100.00%

/*
 * Wait for the LR signal to allow synchronisation to the L/R clock
 * from the codec. May only be needed for slave mode.
 */


static int s3c24xx_snd_lrsync(void)
{
	u32 iiscon;
	int timeout = 50; /* 5ms */

	pr_debug("Entered %s\n", __func__);

	while (1) {
		iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
		if (iiscon & S3C2410_IISCON_LRINDEX)
			break;

		if (!timeout--)
			return -ETIMEDOUT;
		udelay(100);
	}

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 53 80.30% 1 20.00%
werner almesberger werner almesberger 10 15.15% 1 20.00%
mark brown mark brown 1 1.52% 1 20.00%
harvey harrison harvey harrison 1 1.52% 1 20.00%
julia lawall julia lawall 1 1.52% 1 20.00%
Total 66 100.00% 5 100.00%

/*
 * Check whether CPU is the master or slave
 */


static inline int s3c24xx_snd_is_clkmaster(void)
{
	pr_debug("Entered %s\n", __func__);

	return (readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & S3C2410_IISMOD_SLAVE) ? 0:1;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 32 94.12% 1 33.33%
mark brown mark brown 1 2.94% 1 33.33%
harvey harrison harvey harrison 1 2.94% 1 33.33%
Total 34 100.00% 3 100.00%

/*
 * Set S3C24xx I2S DAI format
 */


static int s3c24xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
		unsigned int fmt)
{
	u32 iismod;

	pr_debug("Entered %s\n", __func__);

	iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
	pr_debug("hw_params r: IISMOD: %x \n", iismod);

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBM_CFM:
		iismod |= S3C2410_IISMOD_SLAVE;
		break;
	case SND_SOC_DAIFMT_CBS_CFS:
		iismod &= ~S3C2410_IISMOD_SLAVE;
		break;
	default:
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_LEFT_J:
		iismod |= S3C2410_IISMOD_MSB;
		break;
	case SND_SOC_DAIFMT_I2S:
		iismod &= ~S3C2410_IISMOD_MSB;
		break;
	default:
		return -EINVAL;
	}

	writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);
	pr_debug("hw_params w: IISMOD: %x \n", iismod);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 107 86.29% 1 16.67%
davide rizzo davide rizzo 10 8.06% 1 16.67%
mark brown mark brown 5 4.03% 2 33.33%
liam girdwood liam girdwood 1 0.81% 1 16.67%
harvey harrison harvey harrison 1 0.81% 1 16.67%
Total 124 100.00% 6 100.00%



static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream,
				 struct snd_pcm_hw_params *params,
				 struct snd_soc_dai *dai)
{
	struct snd_dmaengine_dai_dma_data *dma_data;
	u32 iismod;

	pr_debug("Entered %s\n", __func__);

	dma_data = snd_soc_dai_get_dma_data(dai, substream);

	/* Working copies of register */
	iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
	pr_debug("hw_params r: IISMOD: %x\n", iismod);

	switch (params_width(params)) {
	case 8:
		iismod &= ~S3C2410_IISMOD_16BIT;
		dma_data->addr_width = 1;
		break;
	case 16:
		iismod |= S3C2410_IISMOD_16BIT;
		dma_data->addr_width = 2;
		break;
	default:
		return -EINVAL;
	}

	writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);
	pr_debug("hw_params w: IISMOD: %x\n", iismod);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 80 62.50% 1 11.11%
christian pellegrin christian pellegrin 20 15.62% 1 11.11%
mark brown mark brown 10 7.81% 3 33.33%
daniel mack daniel mack 9 7.03% 1 11.11%
vasily khoruzhick vasily khoruzhick 5 3.91% 1 11.11%
tushar behera tushar behera 3 2.34% 1 11.11%
harvey harrison harvey harrison 1 0.78% 1 11.11%
Total 128 100.00% 9 100.00%



static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
			       struct snd_soc_dai *dai)
{
	int ret = 0;

	pr_debug("Entered %s\n", __func__);

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
	case SNDRV_PCM_TRIGGER_RESUME:
	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
		if (!s3c24xx_snd_is_clkmaster()) {
			ret = s3c24xx_snd_lrsync();
			if (ret)
				goto exit_err;
		}

		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
			s3c24xx_snd_rxctrl(1);
		else
			s3c24xx_snd_txctrl(1);

		break;
	case SNDRV_PCM_TRIGGER_STOP:
	case SNDRV_PCM_TRIGGER_SUSPEND:
	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
			s3c24xx_snd_rxctrl(0);
		else
			s3c24xx_snd_txctrl(0);
		break;
	default:
		ret = -EINVAL;
		break;
	}

exit_err:
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 120 94.49% 1 25.00%
mark brown mark brown 6 4.72% 2 50.00%
harvey harrison harvey harrison 1 0.79% 1 25.00%
Total 127 100.00% 4 100.00%

/*
 * Set S3C24xx Clock source
 */


static int s3c24xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
	int clk_id, unsigned int freq, int dir)
{
	u32 iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);

	pr_debug("Entered %s\n", __func__);

	iismod &= ~S3C2440_IISMOD_MPLL;

	switch (clk_id) {
	case S3C24XX_CLKSRC_PCLK:
		break;
	case S3C24XX_CLKSRC_MPLL:
		iismod |= S3C2440_IISMOD_MPLL;
		break;
	default:
		return -EINVAL;
	}

	writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 79 96.34% 1 25.00%
liam girdwood liam girdwood 1 1.22% 1 25.00%
mark brown mark brown 1 1.22% 1 25.00%
harvey harrison harvey harrison 1 1.22% 1 25.00%
Total 82 100.00% 4 100.00%

/*
 * Set S3C24xx Clock dividers
 */


static int s3c24xx_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai,
	int div_id, int div)
{
	u32 reg;

	pr_debug("Entered %s\n", __func__);

	switch (div_id) {
	case S3C24XX_DIV_BCLK:
		reg = readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & ~S3C2410_IISMOD_FS_MASK;
		writel(reg | div, s3c24xx_i2s.regs + S3C2410_IISMOD);
		break;
	case S3C24XX_DIV_MCLK:
		reg = readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & ~(S3C2410_IISMOD_384FS);
		writel(reg | div, s3c24xx_i2s.regs + S3C2410_IISMOD);
		break;
	case S3C24XX_DIV_PRESCALER:
		writel(div, s3c24xx_i2s.regs + S3C2410_IISPSR);
		reg = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
		writel(reg | S3C2410_IISCON_PSCEN, s3c24xx_i2s.regs + S3C2410_IISCON);
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 139 96.53% 1 20.00%
matt reimer matt reimer 2 1.39% 1 20.00%
harvey harrison harvey harrison 1 0.69% 1 20.00%
liam girdwood liam girdwood 1 0.69% 1 20.00%
mark brown mark brown 1 0.69% 1 20.00%
Total 144 100.00% 5 100.00%

/*
 * To avoid duplicating clock code, allow machine driver to
 * get the clockrate from here.
 */


u32 s3c24xx_i2s_get_clockrate(void)
{
	return clk_get_rate(s3c24xx_i2s.iis_clk);
}
Contributors
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ben dooks ben dooks 15 100.00% 1 100.00%
Total 15 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(s3c24xx_i2s_get_clockrate);



static int s3c24xx_i2s_probe(struct snd_soc_dai *dai)
{
	pr_debug("Entered %s\n", __func__);

	samsung_asoc_init_dma_data(dai, &s3c24xx_i2s_pcm_stereo_out,
		&s3c24xx_i2s_pcm_stereo_in);

	s3c24xx_i2s.iis_clk = devm_clk_get(dai->dev, "iis");
	if (IS_ERR(s3c24xx_i2s.iis_clk)) {
		pr_err("failed to get iis_clock\n");
		return PTR_ERR(s3c24xx_i2s.iis_clk);
	}
	clk_prepare_enable(s3c24xx_i2s.iis_clk);

	/* Configure the I2S pins (GPE0...GPE4) in correct mode */
	s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
			      S3C_GPIO_PULL_NONE);

	writel(S3C2410_IISCON_IISEN, s3c24xx_i2s.regs + S3C2410_IISCON);

	s3c24xx_snd_txctrl(0);
	s3c24xx_snd_rxctrl(0);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 81 70.43% 1 9.09%
axel lin axel lin 9 7.83% 1 9.09%
vasily khoruzhick vasily khoruzhick 9 7.83% 2 18.18%
sylwester nawrocki sylwester nawrocki 9 7.83% 1 9.09%
mark brown mark brown 4 3.48% 3 27.27%
liam girdwood liam girdwood 2 1.74% 2 18.18%
harvey harrison harvey harrison 1 0.87% 1 9.09%
Total 115 100.00% 11 100.00%

#ifdef CONFIG_PM


static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai)
{
	pr_debug("Entered %s\n", __func__);

	s3c24xx_i2s.iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
	s3c24xx_i2s.iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
	s3c24xx_i2s.iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON);
	s3c24xx_i2s.iispsr = readl(s3c24xx_i2s.regs + S3C2410_IISPSR);

	clk_disable_unprepare(s3c24xx_i2s.iis_clk);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
graeme gregory graeme gregory 70 87.50% 1 16.67%
tim niemeyer tim niemeyer 6 7.50% 1 16.67%
mark brown mark brown 2 2.50% 2 33.33%
vasily khoruzhick vasily khoruzhick 1 1.25% 1 16.67%
liam girdwood liam girdwood 1 1.25% 1 16.67%
Total 80 100.00% 6 100.00%



static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai)
{
	pr_debug("Entered %s\n", __func__);
	clk_prepare_enable(s3c24xx_i2s.iis_clk);

	writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON);
	writel(s3c24xx_i2s.iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);
	writel(s3c24xx_i2s.iisfcon, s3c24xx_i2s.regs + S3C2410_IISFCON);
	writel(s3c24xx_i2s.iispsr, s3c24xx_i2s.regs + S3C2410_IISPSR);

	return 0;
}
Contributors
Person Tokens Prop Commits CommitProp
graeme gregory graeme gregory 70 87.50% 1 16.67%
tim niemeyer tim niemeyer 6 7.50% 1 16.67%
mark brown mark brown 2 2.50% 2 33.33%
liam girdwood liam girdwood 1 1.25% 1 16.67%
vasily khoruzhick vasily khoruzhick 1 1.25% 1 16.67%
Total 80 100.00% 6 100.00%

#else

#define s3c24xx_i2s_suspend NULL

#define s3c24xx_i2s_resume NULL
#endif



#define S3C24XX_I2S_RATES \
	(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
        SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
        SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)


static const struct snd_soc_dai_ops s3c24xx_i2s_dai_ops = {
	.trigger	= s3c24xx_i2s_trigger,
	.hw_params	= s3c24xx_i2s_hw_params,
	.set_fmt	= s3c24xx_i2s_set_fmt,
	.set_clkdiv	= s3c24xx_i2s_set_clkdiv,
	.set_sysclk	= s3c24xx_i2s_set_sysclk,
};


static struct snd_soc_dai_driver s3c24xx_i2s_dai = {
	.probe = s3c24xx_i2s_probe,
	.suspend = s3c24xx_i2s_suspend,
	.resume = s3c24xx_i2s_resume,
	.playback = {
		.channels_min = 2,
		.channels_max = 2,
		.rates = S3C24XX_I2S_RATES,
		.formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE,},
	.capture = {
		.channels_min = 2,
		.channels_max = 2,
		.rates = S3C24XX_I2S_RATES,
		.formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE,},
	.ops = &s3c24xx_i2s_dai_ops,
};


static const struct snd_soc_component_driver s3c24xx_i2s_component = {
	.name		= "s3c24xx-i2s",
};



static int s3c24xx_iis_dev_probe(struct platform_device *pdev)
{
	int ret = 0;
	struct resource *res;
	struct s3c_audio_pdata *pdata = dev_get_platdata(&pdev->dev);

	if (!pdata) {
		dev_err(&pdev->dev, "missing platform data");
		return -ENXIO;
	}

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev, "Can't get IO resource.\n");
		return -ENOENT;
	}
	s3c24xx_i2s.regs = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(s3c24xx_i2s.regs))
		return PTR_ERR(s3c24xx_i2s.regs);

	s3c24xx_i2s_pcm_stereo_out.dma_addr = res->start + S3C2410_IISFIFO;
	s3c24xx_i2s_pcm_stereo_out.slave = pdata->dma_playback;
	s3c24xx_i2s_pcm_stereo_in.dma_addr = res->start + S3C2410_IISFIFO;
	s3c24xx_i2s_pcm_stereo_in.slave = pdata->dma_capture;

	ret = devm_snd_soc_register_component(&pdev->dev,
			&s3c24xx_i2s_component, &s3c24xx_i2s_dai, 1);
	if (ret) {
		pr_err("failed to register the dai\n");
		return ret;
	}

	ret = samsung_asoc_dma_platform_register(&pdev->dev,
						 pdata->dma_filter);
	if (ret)
		pr_err("failed to register the dma: %d\n", ret);

	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
vasily khoruzhick vasily khoruzhick 79 36.92% 1 9.09%
arnd bergmann arnd bergmann 54 25.23% 2 18.18%
padmavathi venna padmavathi venna 45 21.03% 1 9.09%
liam girdwood liam girdwood 18 8.41% 1 9.09%
wei yongjun wei yongjun 9 4.21% 1 9.09%
kuninori morimoto kuninori morimoto 5 2.34% 1 9.09%
tushar behera tushar behera 2 0.93% 2 18.18%
alexey galakhov alexey galakhov 1 0.47% 1 9.09%
ben dooks ben dooks 1 0.47% 1 9.09%
Total 214 100.00% 11 100.00%


static struct platform_driver s3c24xx_iis_driver = {
	.probe  = s3c24xx_iis_dev_probe,
	.driver = {
		.name = "s3c24xx-iis",
        },
};


module_platform_driver(s3c24xx_iis_driver);

/* Module information */
MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");
MODULE_DESCRIPTION("s3c24xx I2S SoC Interface");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:s3c24xx-iis");
Overall Contributors
Person Tokens Prop Commits CommitProp
ben dooks ben dooks 1253 65.12% 3 6.38%
graeme gregory graeme gregory 189 9.82% 2 4.26%
vasily khoruzhick vasily khoruzhick 99 5.15% 2 4.26%
arnd bergmann arnd bergmann 58 3.01% 3 6.38%
mark brown mark brown 55 2.86% 10 21.28%
liam girdwood liam girdwood 50 2.60% 2 4.26%
padmavathi venna padmavathi venna 45 2.34% 1 2.13%
eric miao eric miao 34 1.77% 1 2.13%
christian pellegrin christian pellegrin 20 1.04% 1 2.13%
kuninori morimoto kuninori morimoto 18 0.94% 1 2.13%
tim niemeyer tim niemeyer 12 0.62% 1 2.13%
harvey harrison harvey harrison 10 0.52% 1 2.13%
davide rizzo davide rizzo 10 0.52% 1 2.13%
werner almesberger werner almesberger 10 0.52% 1 2.13%
axel lin axel lin 9 0.47% 1 2.13%
wei yongjun wei yongjun 9 0.47% 1 2.13%
sylwester nawrocki sylwester nawrocki 9 0.47% 1 2.13%
daniel mack daniel mack 9 0.47% 1 2.13%
sachin kamat sachin kamat 6 0.31% 1 2.13%
tushar behera tushar behera 5 0.26% 3 6.38%
jassi brar jassi brar 3 0.16% 2 4.26%
paul gortmaker paul gortmaker 3 0.16% 1 2.13%
matt reimer matt reimer 2 0.10% 1 2.13%
harald welte harald welte 2 0.10% 1 2.13%
julia lawall julia lawall 1 0.05% 1 2.13%
alexey galakhov alexey galakhov 1 0.05% 1 2.13%
lars-peter clausen lars-peter clausen 1 0.05% 1 2.13%
seungwhan youn seungwhan youn 1 0.05% 1 2.13%
Total 1924 100.00% 47 100.00%
  Directory: sound/soc/samsung

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
ben dooks	ben dooks	195	97.01%	1	25.00%
mark brown	mark brown	5	2.49%	2	50.00%
harvey harrison	harvey harrison	1	0.50%	1	25.00%
	Total	201	100.00%	4	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 sound/soc/samsung/s3c24xx-i2s.c

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