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-rw-r--r--drivers/i2c/chips/tsl2550.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/i2c/chips/tsl2550.c b/drivers/i2c/chips/tsl2550.c
index 3de4b19ba08f..a10fd2791a69 100644
--- a/drivers/i2c/chips/tsl2550.c
+++ b/drivers/i2c/chips/tsl2550.c
@@ -432,11 +432,32 @@ static int __devexit tsl2550_remove(struct i2c_client *client)
432 return 0; 432 return 0;
433} 433}
434 434
435#ifdef CONFIG_PM
436
437static int tsl2550_suspend(struct i2c_client *client, pm_message_t mesg)
438{
439 return tsl2550_set_power_state(client, 0);
440}
441
442static int tsl2550_resume(struct i2c_client *client)
443{
444 return tsl2550_set_power_state(client, 1);
445}
446
447#else
448
449#define tsl2550_suspend NULL
450#define tsl2550_resume NULL
451
452#endif /* CONFIG_PM */
453
435static struct i2c_driver tsl2550_driver = { 454static struct i2c_driver tsl2550_driver = {
436 .driver = { 455 .driver = {
437 .name = TSL2550_DRV_NAME, 456 .name = TSL2550_DRV_NAME,
438 .owner = THIS_MODULE, 457 .owner = THIS_MODULE,
439 }, 458 },
459 .suspend = tsl2550_suspend,
460 .resume = tsl2550_resume,
440 .probe = tsl2550_probe, 461 .probe = tsl2550_probe,
441 .remove = __devexit_p(tsl2550_remove), 462 .remove = __devexit_p(tsl2550_remove),
442}; 463};