Merge branch 'autosuspend' into for-next

Conflicts:

	drivers/hid/hid-core.c

drivers/hid/hid-core.c

@@ -1819,6 +1819,22 @@ void hid_unregister_driver(struct hid_driver *hdrv)
 }
 EXPORT_SYMBOL_GPL(hid_unregister_driver);
 
+int hid_check_keys_pressed(struct hid_device *hid)
+{
+	struct hid_input *hidinput;
+	int i;
+
+	list_for_each_entry(hidinput, &hid->inputs, list) {
+		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
+			if (hidinput->input->key[i])
+				return 1;
+	}
+
+	return 0;
+}
+
+EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
+
 static int __init hid_init(void)
 {
 	int ret;

drivers/hid/hidraw.c

@@ -181,10 +181,18 @@ static int hidraw_open(struct inode *inode, struct file *file)
 
 	dev = hidraw_table[minor];
 	if (!dev->open++) {
-		err = dev->hid->ll_driver->open(dev->hid);
+		if (dev->hid->ll_driver->power) {
+			err = dev->hid->ll_driver->power(dev->hid, PM_HINT_FULLON);
 			if (err < 0)
+				goto out_unlock;
+		}
+		err = dev->hid->ll_driver->open(dev->hid);
+		if (err < 0) {
+			if (dev->hid->ll_driver->power)
+				dev->hid->ll_driver->power(dev->hid, PM_HINT_NORMAL);
 			dev->open--;
 		}
+	}
 
 out_unlock:
 	mutex_unlock(&minors_lock);
@@ -209,11 +217,14 @@ static int hidraw_release(struct inode * inode, struct file * file)
 	list_del(&list->node);
 	dev = hidraw_table[minor];
 	if (!--dev->open) {
-		if (list->hidraw->exist)
+		if (list->hidraw->exist) {
+			if (dev->hid->ll_driver->power)
+				dev->hid->ll_driver->power(dev->hid, PM_HINT_NORMAL);
 			dev->hid->ll_driver->close(dev->hid);
-		else
+		} else {
 			kfree(list->hidraw);
 		}
+	}
 
 	kfree(list);
 

drivers/hid/usbhid/hiddev.c

@@ -246,11 +246,13 @@ static int hiddev_release(struct inode * inode, struct file * file)
 	spin_unlock_irqrestore(&list->hiddev->list_lock, flags);
 
 	if (!--list->hiddev->open) {
-		if (list->hiddev->exist)
+		if (list->hiddev->exist) {
 			usbhid_close(list->hiddev->hid);
-		else
+			usbhid_put_power(list->hiddev->hid);
+		} else {
 			kfree(list->hiddev);
 		}
+	}
 
 	kfree(list);
 
@@ -300,6 +302,17 @@ static int hiddev_open(struct inode *inode, struct file *file)
 	list_add_tail(&list->node, &hiddev_table[i]->list);
 	spin_unlock_irq(&list->hiddev->list_lock);
 
+	if (!list->hiddev->open++)
+		if (list->hiddev->exist) {
+			struct hid_device *hid = hiddev_table[i]->hid;
+			res = usbhid_get_power(hid);
+			if (res < 0) {
+				res = -EIO;
+				goto bail;
+			}
+			usbhid_open(hid);
+		}
+
 	return 0;
 bail:
 	file->private_data = NULL;

drivers/hid/usbhid/usbhid.h

@@ -38,7 +38,10 @@ int usbhid_wait_io(struct hid_device* hid);
 void usbhid_close(struct hid_device *hid);
 int usbhid_open(struct hid_device *hid);
 void usbhid_init_reports(struct hid_device *hid);
-void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir);
+void usbhid_submit_report
+(struct hid_device *hid, struct hid_report *report, unsigned char dir);
+int usbhid_get_power(struct hid_device *hid);
+void usbhid_put_power(struct hid_device *hid);
 
 /* iofl flags */
 #define HID_CTRL_RUNNING	1
@@ -49,6 +52,9 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns
 #define HID_CLEAR_HALT		6
 #define HID_DISCONNECTED	7
 #define HID_STARTED		8
+#define HID_REPORTED_IDLE	9
+#define HID_KEYS_PRESSED	10
+#define HID_LED_ON		11
 
 /*
  * USB-specific HID struct, to be pointed to
@@ -66,7 +72,6 @@ struct usbhid_device {
 	struct urb *urbin;                                              /* Input URB */
 	char *inbuf;                                                    /* Input buffer */
 	dma_addr_t inbuf_dma;                                           /* Input buffer dma */
-	spinlock_t inlock;                                              /* Input fifo spinlock */
 
 	struct urb *urbctrl;                                            /* Control URB */
 	struct usb_ctrlrequest *cr;                                     /* Control request struct */
@@ -75,21 +80,22 @@ struct usbhid_device {
 	unsigned char ctrlhead, ctrltail;                               /* Control fifo head & tail */
 	char *ctrlbuf;                                                  /* Control buffer */
 	dma_addr_t ctrlbuf_dma;                                         /* Control buffer dma */
-	spinlock_t ctrllock;                                            /* Control fifo spinlock */
 
 	struct urb *urbout;                                             /* Output URB */
 	struct hid_output_fifo out[HID_CONTROL_FIFO_SIZE];              /* Output pipe fifo */
 	unsigned char outhead, outtail;                                 /* Output pipe fifo head & tail */
 	char *outbuf;                                                   /* Output buffer */
 	dma_addr_t outbuf_dma;                                          /* Output buffer dma */
-	spinlock_t outlock;                                             /* Output fifo spinlock */
 
+	spinlock_t lock;						/* fifo spinlock */
 	unsigned long iofl;                                             /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
 	struct timer_list io_retry;                                     /* Retry timer */
 	unsigned long stop_retry;                                       /* Time to give up, in jiffies */
 	unsigned int retry_delay;                                       /* Delay length in ms */
 	struct work_struct reset_work;                                  /* Task context for resets */
+	struct work_struct restart_work;				/* waking up for output to be done in a task */
 	wait_queue_head_t wait;						/* For sleeping */
+	int ledcount;							/* counting the number of active leds */
 };
 
 #define	hid_to_usb_dev(hid_dev) \

include/linux/hid.h

@@ -604,12 +604,17 @@ struct hid_ll_driver {
 	int (*open)(struct hid_device *hdev);
 	void (*close)(struct hid_device *hdev);
 
+	int (*power)(struct hid_device *hdev, int level);
+
 	int (*hidinput_input_event) (struct input_dev *idev, unsigned int type,
 			unsigned int code, int value);
 
 	int (*parse)(struct hid_device *hdev);
 };
 
+#define	PM_HINT_FULLON	1<<5
+#define PM_HINT_NORMAL	1<<1
+
 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
 /* We ignore a few input applications that are not widely used */
 #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || (a == 0x000d0002))
@@ -642,6 +647,7 @@ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int
 void hid_output_report(struct hid_report *report, __u8 *data);
 struct hid_device *hid_allocate_device(void);
 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
+int hid_check_keys_pressed(struct hid_device *hid);
 int hid_connect(struct hid_device *hid, unsigned int connect_mask);
 
 /**