diff options
| author | Marc Pignat <marc.pignat@hevs.ch> | 2008-10-15 22:02:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 11:21:39 -0700 |
| commit | 986e36a5b817de01733d46aa623406106d661cec (patch) | |
| tree | cab630f3d89ce9bfacb35804b18366e90a5666d9 /drivers/rtc/rtc-ds1374.c | |
| parent | 5d5b4d74f9ae85bbd558a708678b6927f962e75d (diff) | |
| download | lwn-986e36a5b817de01733d46aa623406106d661cec.tar.gz lwn-986e36a5b817de01733d46aa623406106d661cec.zip | |
rtc: DS1374 wakeup support
Wakeup support implementation.
Signed-off-by: Marc Pignat <marc.pignat@hevs.ch>
Cc: David Brownell <david-b@pacbell.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-ds1374.c')
| -rw-r--r-- | drivers/rtc/rtc-ds1374.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index a150418fba76..a5b0fc09f0c6 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -429,12 +429,33 @@ static int __devexit ds1374_remove(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM +static int ds1374_suspend(struct i2c_client *client, pm_message_t state) +{ + if (client->irq >= 0 && device_may_wakeup(&client->dev)) + enable_irq_wake(client->irq); + return 0; +} + +static int ds1374_resume(struct i2c_client *client) +{ + if (client->irq >= 0 && device_may_wakeup(&client->dev)) + disable_irq_wake(client->irq); + return 0; +} +#else +#define ds1374_suspend NULL +#define ds1374_resume NULL +#endif + static struct i2c_driver ds1374_driver = { .driver = { .name = "rtc-ds1374", .owner = THIS_MODULE, }, .probe = ds1374_probe, + .suspend = ds1374_suspend, + .resume = ds1374_resume, .remove = __devexit_p(ds1374_remove), .id_table = ds1374_id, }; |