diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 30daf7341e83..1ed15af46542 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -1681,7 +1681,31 @@ static int tegra_i2c_remove(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP +static int tegra_i2c_suspend(struct device *dev) +{ + struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); + + i2c_mark_adapter_suspended(&i2c_dev->adapter); + + return 0; +} + +static int tegra_i2c_resume(struct device *dev) +{ + struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); + int err; + + err = tegra_i2c_init(i2c_dev, false); + if (err) + return err; + + i2c_mark_adapter_resumed(&i2c_dev->adapter); + + return 0; +} + static const struct dev_pm_ops tegra_i2c_pm = { + SET_SYSTEM_SLEEP_PM_OPS(tegra_i2c_suspend, tegra_i2c_resume) SET_RUNTIME_PM_OPS(tegra_i2c_runtime_suspend, tegra_i2c_runtime_resume, NULL) }; |