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linux-openmoko: Add input subsys -> APM bridge and tweak power driver key events

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git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3831 311d38ba-8fff-0310-9ca6-ca027cbcb966
This commit is contained in:
Richard Purdie
2008-02-20 12:23:38 +00:00
parent 7fdad729b2
commit 210c9450c1
8 changed files with 1018 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/packages/linux/linux-openmoko/iis-suspend.patch
+63
View File
@@ -0,0 +1,63 @@
Index: linux-2.6.22/sound/soc/s3c24xx/s3c24xx-i2s.c
===================================================================
--- linux-2.6.22.orig/sound/soc/s3c24xx/s3c24xx-i2s.c 2007-11-09 16:13:04.000000000 +0000
+++ linux-2.6.22/sound/soc/s3c24xx/s3c24xx-i2s.c 2007-11-09 16:17:47.000000000 +0000
@@ -75,6 +75,10 @@
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;
@@ -404,6 +408,38 @@
return 0;
}
+#ifdef CONFIG_PM
+int s3c24xx_i2s_suspend(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *cpu_dai)
+{
+ 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(s3c24xx_i2s.iis_clk);
+
+ return 0;
+}
+
+int s3c24xx_i2s_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *cpu_dai)
+{
+ clk_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;
+}
+#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 | \
@@ -414,6 +450,8 @@
.id = 0,
.type = SND_SOC_DAI_I2S,
.probe = s3c24xx_i2s_probe,
+ .suspend = s3c24xx_i2s_suspend,
+ .resume = s3c24xx_i2s_resume,
.playback = {
.channels_min = 2,
.channels_max = 2,