diff options
Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 102 |
1 files changed, 65 insertions, 37 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 44df131d390a..7b88f4cb9902 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -884,52 +884,66 @@ static int usbhid_get_raw_report(struct hid_device *hid, return ret; } -static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count, - unsigned char report_type) +static int usbhid_set_raw_report(struct hid_device *hid, unsigned int reportnum, + __u8 *buf, size_t count, unsigned char rtype) { struct usbhid_device *usbhid = hid->driver_data; struct usb_device *dev = hid_to_usb_dev(hid); struct usb_interface *intf = usbhid->intf; struct usb_host_interface *interface = intf->cur_altsetting; - int ret; + int ret, skipped_report_id = 0; - if (usbhid->urbout && report_type != HID_FEATURE_REPORT) { - int actual_length; - int skipped_report_id = 0; + /* Byte 0 is the report number. Report data starts at byte 1.*/ + if ((rtype == HID_OUTPUT_REPORT) && + (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORT_ID)) + buf[0] = 0; + else + buf[0] = reportnum; + + if (buf[0] == 0x0) { + /* Don't send the Report ID */ + buf++; + count--; + skipped_report_id = 1; + } - if (buf[0] == 0x0) { - /* Don't send the Report ID */ - buf++; - count--; - skipped_report_id = 1; - } - ret = usb_interrupt_msg(dev, usbhid->urbout->pipe, - buf, count, &actual_length, - USB_CTRL_SET_TIMEOUT); - /* return the number of bytes transferred */ - if (ret == 0) { - ret = actual_length; - /* count also the report id */ - if (skipped_report_id) - ret++; - } - } else { - int skipped_report_id = 0; - int report_id = buf[0]; - if (buf[0] == 0x0) { - /* Don't send the Report ID */ - buf++; - count--; - skipped_report_id = 1; - } - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), HID_REQ_SET_REPORT, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - ((report_type + 1) << 8) | report_id, + ((rtype + 1) << 8) | reportnum, interface->desc.bInterfaceNumber, buf, count, USB_CTRL_SET_TIMEOUT); - /* count also the report id, if this was a numbered report. */ - if (ret > 0 && skipped_report_id) + /* count also the report id, if this was a numbered report. */ + if (ret > 0 && skipped_report_id) + ret++; + + return ret; +} + +static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count) +{ + struct usbhid_device *usbhid = hid->driver_data; + struct usb_device *dev = hid_to_usb_dev(hid); + int actual_length, skipped_report_id = 0, ret; + + if (!usbhid->urbout) + return -ENOSYS; + + if (buf[0] == 0x0) { + /* Don't send the Report ID */ + buf++; + count--; + skipped_report_id = 1; + } + + ret = usb_interrupt_msg(dev, usbhid->urbout->pipe, + buf, count, &actual_length, + USB_CTRL_SET_TIMEOUT); + /* return the number of bytes transferred */ + if (ret == 0) { + ret = actual_length; + /* count also the report id */ + if (skipped_report_id) ret++; } @@ -1200,6 +1214,20 @@ static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int r } } +static int usbhid_raw_request(struct hid_device *hid, unsigned char reportnum, + __u8 *buf, size_t len, unsigned char rtype, + int reqtype) +{ + switch (reqtype) { + case HID_REQ_GET_REPORT: + return usbhid_get_raw_report(hid, reportnum, buf, len, rtype); + case HID_REQ_SET_REPORT: + return usbhid_set_raw_report(hid, reportnum, buf, len, rtype); + default: + return -EIO; + } +} + static int usbhid_idle(struct hid_device *hid, int report, int idle, int reqtype) { @@ -1223,6 +1251,8 @@ static struct hid_ll_driver usb_hid_driver = { .power = usbhid_power, .request = usbhid_request, .wait = usbhid_wait_io, + .raw_request = usbhid_raw_request, + .output_report = usbhid_output_report, .idle = usbhid_idle, }; @@ -1253,8 +1283,6 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id * usb_set_intfdata(intf, hid); hid->ll_driver = &usb_hid_driver; - hid->hid_get_raw_report = usbhid_get_raw_report; - hid->hid_output_raw_report = usbhid_output_raw_report; hid->ff_init = hid_pidff_init; #ifdef CONFIG_USB_HIDDEV hid->hiddev_connect = hiddev_connect; |