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Input: bcm5974 - implement autosuspend support 

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2008-08-08 14:59:32 -04:00
parent f89bd95c5c
commit 88da765f4d
1 changed files with 12 additions and 0 deletions
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12
drivers/input/mouse/bcm5974.c
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@ -150,6 +150,7 @@ struct bcm5974_config {
struct bcm5974 {
char phys[64];
struct usb_device *udev; /* usb device */
struct usb_interface *intf; /* our interface */
struct input_dev *input; /* input dev */
struct bcm5974_config cfg; /* device configuration */
struct mutex pm_mutex; /* serialize access to open/suspend */
@ -478,6 +479,10 @@ static int bcm5974_open(struct input_dev *input)
struct bcm5974 *dev = input_get_drvdata(input);
int error;
error = usb_autopm_get_interface(dev->intf);
if (error)
return error;
mutex_lock(&dev->pm_mutex);
error = bcm5974_start_traffic(dev);
@ -486,6 +491,9 @@ static int bcm5974_open(struct input_dev *input)
mutex_unlock(&dev->pm_mutex);
if (error)
usb_autopm_put_interface(dev->intf);
return error;
}
@ -499,6 +507,8 @@ static void bcm5974_close(struct input_dev *input)
dev->opened = 0;
mutex_unlock(&dev->pm_mutex);
usb_autopm_put_interface(dev->intf);
}
static int bcm5974_suspend(struct usb_interface *iface, pm_message_t message)
@ -551,6 +561,7 @@ static int bcm5974_probe(struct usb_interface *iface,
}
dev->udev = udev;
dev->intf = iface;
dev->input = input_dev;
dev->cfg = *cfg;
mutex_init(&dev->pm_mutex);
@ -652,6 +663,7 @@ static struct usb_driver bcm5974_driver = {
.resume = bcm5974_resume,
.reset_resume = bcm5974_resume,
.id_table = bcm5974_table,
.supports_autosuspend = 1,
};
static int __init bcm5974_init(void)