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    Subject[PATCH 03/11] HID: add inliners for ll_driver transport-layer callbacks
    Date
    Those callbacks are not mandatory, so it's better to add inliners
    to use them safely.

    Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
    ---
    include/linux/hid.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
    1 file changed, 45 insertions(+)

    diff --git a/include/linux/hid.h b/include/linux/hid.h
    index 003cc8e..dddcad0 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 {
    @@ -974,6 +976,49 @@ static inline void hid_hw_request(struct hid_device *hdev,
    }

    /**
    + * 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
    *
    * @hdev: hid device
    --
    1.8.3.1


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