diff options
Diffstat (limited to 'sound/soc/tegra/tegra20_das.h')
| -rw-r--r-- | sound/soc/tegra/tegra20_das.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra20_das.h b/sound/soc/tegra/tegra20_das.h index 2fd731b70849..1d7c57fd0092 100644 --- a/sound/soc/tegra/tegra20_das.h +++ b/sound/soc/tegra/tegra20_das.h @@ -83,12 +83,23 @@ #define TEGRA20_DAS_DAC_ID_2 1 #define TEGRA20_DAS_DAC_ID_3 2 +#ifdef CONFIG_PM +#define TEGRA20_DAS_CACHE_SIZE ((((TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL) + (TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE*TEGRA20_DAS_DAC_ID_3))>>2) + 1) +#endif + struct tegra20_das { struct device *dev; void __iomem *regs; struct dentry *debug; +#ifdef CONFIG_PM + u32 reg_cache[TEGRA20_DAS_CACHE_SIZE]; +#endif }; +#ifdef CONFIG_PM +/* Restores the das registers from cache */ +extern int tegra20_das_resume(); +#endif /* * Terminology: * DAS: Digital audio switch (HW module controlled by this driver) |