I don't have access to the device, so I copied/pasted the code
from hidraw.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
---
drivers/hid/hid-cp2112.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index 860db694..c4f87bd 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -290,7 +290,21 @@ static int cp2112_hid_output(struct hid_device *hdev, u8 *data, size_t count,
if (!buf)
return -ENOMEM;
- ret = hdev->hid_output_raw_report(hdev, buf, count, report_type);
+ /* Fixme: test which function is actually called for output reports */
+ if (report_type == HID_OUTPUT_REPORT) {
+ ret = hid_hw_output_report(hdev, buf, count);
+ /*
+ * compatibility with old implementation of USB-HID:
+ * if the device does not support receiving output reports,
+ * on an interrupt endpoint, fallback to SET_REPORT HID command.
+ */
+ if (ret != -ENOSYS)
+ goto out_free;
+ }
+
+ ret = hid_hw_raw_request(hdev, buf[0], buf, count, report_type,
+ HID_REQ_SET_REPORT);
+out_free:
kfree(buf);
return ret;
}
--
1.8.5.3
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
