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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 <dh.herrmann@gmail.com> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -680,6 +680,8 @@ struct hid_driver {
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* shouldn't allocate anything to not leak memory
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* shouldn't allocate anything to not leak memory
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* @request: send report request to device (e.g. feature report)
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* @request: send report request to device (e.g. feature report)
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* @wait: wait for buffered io to complete (send/recv reports)
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* @wait: wait for buffered io to complete (send/recv reports)
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* @raw_request: send raw report request to device (e.g. feature report)
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* @output_report: send output report to device
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* @idle: send idle request to device
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* @idle: send idle request to device
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*/
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*/
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struct hid_ll_driver {
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struct hid_ll_driver {
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@ -973,6 +975,49 @@ static inline void hid_hw_request(struct hid_device *hdev,
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hdev->ll_driver->request(hdev, report, reqtype);
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hdev->ll_driver->request(hdev, report, reqtype);
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}
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}
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/**
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* hid_hw_raw_request - send report request to device
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*
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* @hdev: hid device
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* @reportnum: report ID
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* @buf: in/out data to transfer
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* @len: length of buf
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* @rtype: HID report type
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* @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT
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*
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* @return: count of data transfered, negative if error
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*
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* Same behavior as hid_hw_request, but with raw buffers instead.
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*/
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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 (hdev->ll_driver->raw_request)
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return hdev->ll_driver->raw_request(hdev, reportnum, buf, len,
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rtype, reqtype);
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return -ENOSYS;
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}
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/**
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* hid_hw_output_report - send output report to device
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*
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* @hdev: hid device
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* @buf: raw data to transfer
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* @len: length of buf
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*
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* @return: count of data transfered, negative if error
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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 (hdev->ll_driver->output_report)
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return hdev->ll_driver->output_report(hdev, buf, len);
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return -ENOSYS;
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}
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/**
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/**
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* hid_hw_idle - send idle request to device
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* hid_hw_idle - send idle request to device
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*
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*
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