Input: bcm5974 - implement autosuspend support (88da765f) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/input/mouse/bcm5974.c

+12 −0

Original line number	Diff line number	Diff line
		@@ -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)