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210c9450c1
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3831 311d38ba-8fff-0310-9ca6-ca027cbcb966
64 lines
1.9 KiB
Diff
64 lines
1.9 KiB
Diff
Index: linux-2.6.22/sound/soc/s3c24xx/s3c24xx-i2s.c
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===================================================================
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--- linux-2.6.22.orig/sound/soc/s3c24xx/s3c24xx-i2s.c 2007-11-09 16:13:04.000000000 +0000
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+++ linux-2.6.22/sound/soc/s3c24xx/s3c24xx-i2s.c 2007-11-09 16:17:47.000000000 +0000
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@@ -75,6 +75,10 @@
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struct s3c24xx_i2s_info {
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void __iomem *regs;
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struct clk *iis_clk;
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+ u32 iiscon;
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+ u32 iismod;
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+ u32 iisfcon;
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+ u32 iispsr;
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};
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static struct s3c24xx_i2s_info s3c24xx_i2s;
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@@ -404,6 +408,38 @@
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return 0;
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}
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+#ifdef CONFIG_PM
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+int s3c24xx_i2s_suspend(struct platform_device *pdev,
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+ struct snd_soc_cpu_dai *cpu_dai)
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+{
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+ s3c24xx_i2s.iiscon=readl(s3c24xx_i2s.regs + S3C2410_IISCON);
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+ s3c24xx_i2s.iismod=readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
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+ s3c24xx_i2s.iisfcon=readl(s3c24xx_i2s.regs + S3C2410_IISFCON);
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+ s3c24xx_i2s.iispsr=readl(s3c24xx_i2s.regs + S3C2410_IISPSR);
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+
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+ clk_disable(s3c24xx_i2s.iis_clk);
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+
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+ return 0;
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+}
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+
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+int s3c24xx_i2s_resume(struct platform_device *pdev,
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+ struct snd_soc_cpu_dai *cpu_dai)
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+{
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+ clk_enable(s3c24xx_i2s.iis_clk);
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+
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+ writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON);
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+ writel(s3c24xx_i2s.iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);
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+ writel(s3c24xx_i2s.iisfcon, s3c24xx_i2s.regs + S3C2410_IISFCON);
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+ writel(s3c24xx_i2s.iispsr, s3c24xx_i2s.regs + S3C2410_IISPSR);
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+
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+ return 0;
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+}
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+#else
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+#define s3c24xx_i2s_suspend NULL
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+#define s3c24xx_i2s_resume NULL
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+#endif
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+
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+
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#define S3C24XX_I2S_RATES \
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(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
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SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
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@@ -414,6 +450,8 @@
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.id = 0,
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.type = SND_SOC_DAI_I2S,
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.probe = s3c24xx_i2s_probe,
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+ .suspend = s3c24xx_i2s_suspend,
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+ .resume = s3c24xx_i2s_resume,
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.playback = {
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.channels_min = 2,
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.channels_max = 2,
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