diff options
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 13 | ||||
-rw-r--r-- | include/linux/hid.h | 20 |
2 files changed, 33 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 8e0c4bf94..366fd09 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1243,6 +1243,18 @@ static int usbhid_power(struct hid_device *hid, int lvl) return r; } +static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int reqtype) +{ + switch (reqtype) { + case HID_REQ_GET_REPORT: + usbhid_submit_report(hid, rep, USB_DIR_IN); + break; + case HID_REQ_SET_REPORT: + usbhid_submit_report(hid, rep, USB_DIR_OUT); + break; + } +} + static struct hid_ll_driver usb_hid_driver = { .parse = usbhid_parse, .start = usbhid_start, @@ -1251,6 +1263,7 @@ static struct hid_ll_driver usb_hid_driver = { .close = usbhid_close, .power = usbhid_power, .hidinput_input_event = usb_hidinput_input_event, + .request = usbhid_request, }; static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id) diff --git a/include/linux/hid.h b/include/linux/hid.h index e14b465..261c713 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -662,6 +662,7 @@ struct hid_driver { * @hidinput_input_event: event input event (e.g. ff or leds) * @parse: this method is called only once to parse the device data, * shouldn't allocate anything to not leak memory + * @request: send report request to device (e.g. feature report) */ struct hid_ll_driver { int (*start)(struct hid_device *hdev); @@ -676,6 +677,10 @@ struct hid_ll_driver { unsigned int code, int value); int (*parse)(struct hid_device *hdev); + + void (*request)(struct hid_device *hdev, + struct hid_report *report, int reqtype); + }; #define PM_HINT_FULLON 1<<5 @@ -883,6 +888,21 @@ static inline int hid_hw_power(struct hid_device *hdev, int level) return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0; } + +/** + * hid_hw_request - send report request to device + * + * @hdev: hid device + * @report: report to send + * @reqtype: hid request type + */ +static inline void hid_hw_request(struct hid_device *hdev, + struct hid_report *report, int reqtype) +{ + if (hdev->ll_driver->request) + hdev->ll_driver->request(hdev, report, reqtype); +} + int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, int interrupt); |