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authorMarc Pignat <marc.pignat@hevs.ch>2008-10-16 01:02:56 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 14:21:39 -0400
commit986e36a5b817de01733d46aa623406106d661cec (patch)
treecab630f3d89ce9bfacb35804b18366e90a5666d9 /drivers/rtc
parent5d5b4d74f9ae85bbd558a708678b6927f962e75d (diff)
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')
-rw-r--r--drivers/rtc/rtc-ds1374.c21
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)
429 return 0; 429 return 0;
430} 430}
431 431
432#ifdef CONFIG_PM
433static int ds1374_suspend(struct i2c_client *client, pm_message_t state)
434{
435 if (client->irq >= 0 && device_may_wakeup(&client->dev))
436 enable_irq_wake(client->irq);
437 return 0;
438}
439
440static int ds1374_resume(struct i2c_client *client)
441{
442 if (client->irq >= 0 && device_may_wakeup(&client->dev))
443 disable_irq_wake(client->irq);
444 return 0;
445}
446#else
447#define ds1374_suspend NULL
448#define ds1374_resume NULL
449#endif
450
432static struct i2c_driver ds1374_driver = { 451static struct i2c_driver ds1374_driver = {
433 .driver = { 452 .driver = {
434 .name = "rtc-ds1374", 453 .name = "rtc-ds1374",
435 .owner = THIS_MODULE, 454 .owner = THIS_MODULE,
436 }, 455 },
437 .probe = ds1374_probe, 456 .probe = ds1374_probe,
457 .suspend = ds1374_suspend,
458 .resume = ds1374_resume,
438 .remove = __devexit_p(ds1374_remove), 459 .remove = __devexit_p(ds1374_remove),
439 .id_table = ds1374_id, 460 .id_table = ds1374_id,
440}; 461};