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authorLen Brown <len.brown@intel.com>2007-07-25 01:36:31 -0400
committerLen Brown <len.brown@intel.com>2007-07-25 01:36:31 -0400
commitcb3e0c107bebc6cf3e7158f7aa54c32017c7d4c4 (patch)
tree2c52ac06cce163bf467d259119b824eed96f2eca /drivers/pnp
parent1e1f3f24cdbc53e67acd7b2e37e6cf0cb11bd13c (diff)
parent50ad147aa09c829cd452fae6ca99396c0b5b0695 (diff)
downloadop-kernel-dev-cb3e0c107bebc6cf3e7158f7aa54c32017c7d4c4.zip
op-kernel-dev-cb3e0c107bebc6cf3e7158f7aa54c32017c7d4c4.tar.gz
Pull d-states into release branch
Conflicts: drivers/acpi/sleep/main.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pnp')
-rw-r--r--drivers/pnp/driver.c5
-rw-r--r--drivers/pnp/pnpacpi/core.c14
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index e161423..1432806 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -167,6 +167,8 @@ static int pnp_bus_suspend(struct device *dev, pm_message_t state)
return error;
}
+ if (pnp_dev->protocol && pnp_dev->protocol->suspend)
+ pnp_dev->protocol->suspend(pnp_dev, state);
return 0;
}
@@ -179,6 +181,9 @@ static int pnp_bus_resume(struct device *dev)
if (!pnp_drv)
return 0;
+ if (pnp_dev->protocol && pnp_dev->protocol->resume)
+ pnp_dev->protocol->resume(pnp_dev);
+
if (!(pnp_drv->flags & PNP_DRIVER_RES_DO_NOT_CHANGE)) {
error = pnp_start_dev(pnp_dev);
if (error)
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index a005487..c37a558 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -119,11 +119,25 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev)
return ACPI_FAILURE(status) ? -ENODEV : 0;
}
+static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
+{
+ return acpi_bus_set_power((acpi_handle)dev->data,
+ acpi_pm_device_sleep_state(&dev->dev,
+ device_may_wakeup(&dev->dev), NULL));
+}
+
+static int pnpacpi_resume(struct pnp_dev *dev)
+{
+ return acpi_bus_set_power((acpi_handle)dev->data, ACPI_STATE_D0);
+}
+
static struct pnp_protocol pnpacpi_protocol = {
.name = "Plug and Play ACPI",
.get = pnpacpi_get_resources,
.set = pnpacpi_set_resources,
.disable = pnpacpi_disable_resources,
+ .suspend = pnpacpi_suspend,
+ .resume = pnpacpi_resume,
};
static int __init pnpacpi_add_device(struct acpi_device *device)
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