Data read on uhid events output and feature has to be send through
SET_REPORT request to HID device.
---
android/hidhost.c | 37 ++++++++++++++++++++++++++++++++++++-
1 file changed, 36 insertions(+), 1 deletion(-)
diff --git a/android/hidhost.c b/android/hidhost.c
index 683938f..816fe3e 100644
--- a/android/hidhost.c
+++ b/android/hidhost.c
@@ -155,7 +155,42 @@ static void hid_device_free(struct hid_device *dev)
static void handle_uhid_event(struct hid_device *dev, struct uhid_event *ev)
{
- DBG("UHID_OUTPUT UHID_FEATURE unsupported");
+ int fd;
+ uint8_t *req = NULL;
+ uint8_t req_size = 0;
+
+ if (!(dev->ctrl_io))
+ return;
+
+ switch (ev->type) {
+ case UHID_OUTPUT:
+ req_size = 1 + ev->u.output.size;
+ req = g_try_malloc0(req_size);
+ if (!req)
+ return;
+
+ req[0] = HID_MSG_SET_REPORT | HID_DATA_TYPE_OUTPUT;
+ memcpy(req + 1, ev->u.output.data, ev->u.output.size);
+ break;
+
+ case UHID_FEATURE:
+ req_size = sizeof(struct uhid_feature_req);
+ req = g_try_malloc0(req_size);
+ if (!req)
+ return;
+
+ req[0] = HID_MSG_SET_REPORT | HID_DATA_TYPE_FEATURE;
+ memcpy(req + 1, (ev + sizeof(ev->type)), req_size - 1);
+ break;
+ }
+
+ fd = g_io_channel_unix_get_fd(dev->ctrl_io);
+
+ if (write(fd, req, req_size) < 0)
+ error("error writing hid_set_report: %s (%d)",
+ strerror(errno), errno);
+
+ g_free(req);
}
static gboolean uhid_event_cb(GIOChannel *io, GIOCondition cond,
--
1.8.3.2
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