diff options
Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
| -rw-r--r-- | drivers/hid/usbhid/hid-core.c | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 0a1f2b52a12f..b38e559b7a46 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -32,6 +32,7 @@ #include <linux/hid.h> #include <linux/hiddev.h> #include <linux/hid-debug.h> +#include <linux/hidraw.h> #include "usbhid.h" /* @@ -512,7 +513,16 @@ static int hid_get_class_descriptor(struct usb_device *dev, int ifnum, int usbhid_open(struct hid_device *hid) { - ++hid->open; + struct usbhid_device *usbhid = hid->driver_data; + int res; + + if (!hid->open++) { + res = usb_autopm_get_interface(usbhid->intf); + if (res < 0) { + hid->open--; + return -EIO; + } + } if (hid_start_in(hid)) hid_io_error(hid); return 0; @@ -522,8 +532,10 @@ void usbhid_close(struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; - if (!--hid->open) + if (!--hid->open) { usb_kill_urb(usbhid->urbin); + usb_autopm_put_interface(usbhid->intf); + } } /* @@ -628,6 +640,28 @@ static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid) return 0; } +static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count) +{ + struct usbhid_device *usbhid = hid->driver_data; + struct usb_device *dev = hid_to_usb_dev(hid); + struct usb_interface *intf = usbhid->intf; + struct usb_host_interface *interface = intf->cur_altsetting; + int ret; + + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + HID_REQ_SET_REPORT, + USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + cpu_to_le16(((HID_OUTPUT_REPORT + 1) << 8) | *buf), + interface->desc.bInterfaceNumber, buf + 1, count - 1, + USB_CTRL_SET_TIMEOUT); + + /* count also the report id */ + if (ret > 0) + ret++; + + return ret; +} + static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; @@ -871,6 +905,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) hid->hiddev_hid_event = hiddev_hid_event; hid->hiddev_report_event = hiddev_report_event; #endif + hid->hid_output_raw_report = usbhid_output_raw_report; return hid; fail: @@ -909,6 +944,8 @@ static void hid_disconnect(struct usb_interface *intf) hidinput_disconnect(hid); if (hid->claimed & HID_CLAIMED_HIDDEV) hiddev_disconnect(hid); + if (hid->claimed & HID_CLAIMED_HIDRAW) + hidraw_disconnect(hid); usb_free_urb(usbhid->urbin); usb_free_urb(usbhid->urbctrl); @@ -941,11 +978,13 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) hid->claimed |= HID_CLAIMED_INPUT; if (!hiddev_connect(hid)) hid->claimed |= HID_CLAIMED_HIDDEV; + if (!hidraw_connect(hid)) + hid->claimed |= HID_CLAIMED_HIDRAW; usb_set_intfdata(intf, hid); if (!hid->claimed) { - printk ("HID device not claimed by input or hiddev\n"); + printk ("HID device claimed by neither input, hiddev nor hidraw\n"); hid_disconnect(intf); return -ENODEV; } @@ -961,10 +1000,16 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) if (hid->claimed & HID_CLAIMED_INPUT) printk("input"); - if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV)) + if ((hid->claimed & HID_CLAIMED_INPUT) && ((hid->claimed & HID_CLAIMED_HIDDEV) || + hid->claimed & HID_CLAIMED_HIDRAW)) printk(","); if (hid->claimed & HID_CLAIMED_HIDDEV) printk("hiddev%d", hid->minor); + if ((hid->claimed & HID_CLAIMED_INPUT) && (hid->claimed & HID_CLAIMED_HIDDEV) && + (hid->claimed & HID_CLAIMED_HIDRAW)) + printk(","); + if (hid->claimed & HID_CLAIMED_HIDRAW) + printk("hidraw%d", ((struct hidraw*)hid->hidraw)->minor); c = "Device"; for (i = 0; i < hid->maxcollection; i++) { @@ -1048,6 +1093,7 @@ static struct usb_driver hid_driver = { .pre_reset = hid_pre_reset, .post_reset = hid_post_reset, .id_table = hid_usb_ids, + .supports_autosuspend = 1, }; static int __init hid_init(void) |