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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1059-iis-suspend.patch.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1059-iis-suspend.patch.patch75
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1059-iis-suspend.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1059-iis-suspend.patch.patch
new file mode 100644
index 0000000000..c97396e2b6
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1059-iis-suspend.patch.patch
@@ -0,0 +1,75 @@
+From 148a1026b1975e3a50981cf7df3d4aae2b34611e Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Sun, 13 Apr 2008 07:23:53 +0100
+Subject: [PATCH] iis-suspend.patch
+
+---
+ sound/soc/s3c24xx/s3c24xx-i2s.c | 38 ++++++++++++++++++++++++++++++++++++++
+ 1 files changed, 38 insertions(+), 0 deletions(-)
+
+diff --git a/sound/soc/s3c24xx/s3c24xx-i2s.c b/sound/soc/s3c24xx/s3c24xx-i2s.c
+index fe30e0d..4d74cc0 100644
+--- a/sound/soc/s3c24xx/s3c24xx-i2s.c
++++ b/sound/soc/s3c24xx/s3c24xx-i2s.c
+@@ -76,6 +76,10 @@ static struct s3c24xx_pcm_dma_params s3c24xx_i2s_pcm_stereo_in = {
+ 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;
+
+@@ -406,6 +410,38 @@ static int s3c24xx_i2s_probe(struct platform_device *pdev)
+ 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 | \
+@@ -416,6 +452,8 @@ struct snd_soc_cpu_dai s3c24xx_i2s_dai = {
+ .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,
+--
+1.5.6.5
+