diff options
| author | Takashi Iwai <tiwai@suse.de> | 2005-11-29 09:09:32 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:31:19 +0100 |
| commit | 4c98cfef2efa6b6662ac28c4f0069964bbd9fdf9 (patch) | |
| tree | 4ad45704bcf9e43085164d8d7ca6f07d6f1884dd /drivers/pnp/driver.c | |
| parent | 0ba656d0b2319b76fbebd01c1c9ba5ca8eb33fb1 (diff) | |
[ALSA] PATCH] Add PM support to PnP drivers
Add suspend/resume callback to pnp_driver and pnp_card_driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/pnp/driver.c')
| -rw-r--r-- | drivers/pnp/driver.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index d3ccce706ab..ea2cb9a8b21 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -146,10 +146,30 @@ static int pnp_bus_match(struct device *dev, struct device_driver *drv) return 1; } +static int pnp_bus_suspend(struct device *dev, pm_message_t state) +{ + struct pnp_dev * pnp_dev = to_pnp_dev(dev); + struct pnp_driver * pnp_drv = pnp_dev->driver; + + if (pnp_drv && pnp_drv->suspend) + return pnp_drv->suspend(pnp_dev, state); + return 0; +} + +static void pnp_bus_resume(struct device *dev) +{ + struct pnp_dev * pnp_dev = to_pnp_dev(dev); + struct pnp_driver * pnp_drv = pnp_dev->driver; + + if (pnp_drv && pnp_drv->resume) + pnp_drv->resume(pnp_dev); +} struct bus_type pnp_bus_type = { .name = "pnp", .match = pnp_bus_match, + .suspend = pnp_bus_suspend, + .resume = pnp_bus_resume, }; |