43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* Copyright (c) 2014 Benjamin Tissoires <benjamin.tissoires@gmail.com>
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* Copyright (c) 2014 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#ifndef GENMASK
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#define GENMASK(h, l) (((U32_C(1) << ((h) - (l) + 1)) - 1) << (l))
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#endif
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static inline int hid_hw_raw_request(struct hid_device *hdev,
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unsigned char reportnum, __u8 *buf,
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size_t len, unsigned char rtype, int reqtype)
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{
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if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
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return -EINVAL;
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switch (reqtype) {
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case HID_REQ_SET_REPORT:
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if (reportnum != buf[0])
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return -EINVAL;
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return hdev->hid_output_raw_report(hdev, buf, len, rtype);
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case HID_REQ_GET_REPORT:
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return hdev->hid_get_raw_report(hdev, reportnum, buf, len,
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rtype);
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}
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return -ENOSYS;
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}
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static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf,
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size_t len)
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{
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if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
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return -EINVAL;
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return hdev->hid_output_raw_report(hdev, buf, len, HID_OUTPUT_REPORT);
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}
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