diff options
Diffstat (limited to 'drivers/nfc/trf7970a.c')
| -rw-r--r-- | drivers/nfc/trf7970a.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index a42675da0667..3859e02c4e2d 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -1594,6 +1594,42 @@ static int trf7970a_remove(struct spi_device *spi) return 0; } +#ifdef CONFIG_PM_SLEEP +static int trf7970a_suspend(struct device *dev) +{ + struct spi_device *spi = container_of(dev, struct spi_device, dev); + struct trf7970a *trf = spi_get_drvdata(spi); + int ret = 0; + + dev_dbg(dev, "Suspend\n"); + + mutex_lock(&trf->lock); + + trf7970a_shutdown(trf); + + mutex_unlock(&trf->lock); + + return ret; +} + +static int trf7970a_resume(struct device *dev) +{ + struct spi_device *spi = container_of(dev, struct spi_device, dev); + struct trf7970a *trf = spi_get_drvdata(spi); + int ret = 0; + + dev_dbg(dev, "Resume\n"); + + mutex_lock(&trf->lock); + + ret = trf7970a_startup(trf); + + mutex_unlock(&trf->lock); + + return ret; +} +#endif + #ifdef CONFIG_PM_RUNTIME static int trf7970a_pm_runtime_suspend(struct device *dev) { @@ -1629,6 +1665,7 @@ static int trf7970a_pm_runtime_resume(struct device *dev) #endif static const struct dev_pm_ops trf7970a_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(trf7970a_suspend, trf7970a_resume) SET_RUNTIME_PM_OPS(trf7970a_pm_runtime_suspend, trf7970a_pm_runtime_resume, NULL) }; |