diff options
Diffstat (limited to 'meta/packages/linux/linux-openmoko/iis-suspend.patch')
| -rw-r--r-- | meta/packages/linux/linux-openmoko/iis-suspend.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta/packages/linux/linux-openmoko/iis-suspend.patch b/meta/packages/linux/linux-openmoko/iis-suspend.patch new file mode 100644 index 000000000..ab3867246 --- /dev/null +++ b/meta/packages/linux/linux-openmoko/iis-suspend.patch @@ -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, |