From b69d6536794c93dda362ab79c9f559382e3465be Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Wed, 5 Feb 2014 16:33:16 -0500 Subject: HID: add inliners for ll_driver transport-layer callbacks Those callbacks are not mandatory, so it's better to add inliners to use them safely. Reviewed-by: David Herrmann Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina --- include/linux/hid.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) (limited to 'include/linux/hid.h') diff --git a/include/linux/hid.h b/include/linux/hid.h index 003cc8e89831..dddcad07c2d9 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -680,6 +680,8 @@ struct hid_driver { * shouldn't allocate anything to not leak memory * @request: send report request to device (e.g. feature report) * @wait: wait for buffered io to complete (send/recv reports) + * @raw_request: send raw report request to device (e.g. feature report) + * @output_report: send output report to device * @idle: send idle request to device */ struct hid_ll_driver { @@ -973,6 +975,49 @@ static inline void hid_hw_request(struct hid_device *hdev, hdev->ll_driver->request(hdev, report, reqtype); } +/** + * hid_hw_raw_request - send report request to device + * + * @hdev: hid device + * @reportnum: report ID + * @buf: in/out data to transfer + * @len: length of buf + * @rtype: HID report type + * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT + * + * @return: count of data transfered, negative if error + * + * Same behavior as hid_hw_request, but with raw buffers instead. + */ +static inline int hid_hw_raw_request(struct hid_device *hdev, + unsigned char reportnum, __u8 *buf, + size_t len, unsigned char rtype, int reqtype) +{ + if (hdev->ll_driver->raw_request) + return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, + rtype, reqtype); + + return -ENOSYS; +} + +/** + * hid_hw_output_report - send output report to device + * + * @hdev: hid device + * @buf: raw data to transfer + * @len: length of buf + * + * @return: count of data transfered, negative if error + */ +static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, + size_t len) +{ + if (hdev->ll_driver->output_report) + return hdev->ll_driver->output_report(hdev, buf, len); + + return -ENOSYS; +} + /** * hid_hw_idle - send idle request to device * -- cgit v1.2.1