Send virtual unplug command to hid device and disconnect and remove
hid device details.
---
android/hidhost.c | 46 ++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 44 insertions(+), 2 deletions(-)
diff --git a/android/hidhost.c b/android/hidhost.c
index 250288c..46f992e 100644
--- a/android/hidhost.c
+++ b/android/hidhost.c
@@ -55,6 +55,7 @@
#define UHID_DEVICE_FILE "/dev/uhid"
/* HID message types */
+#define HID_MSG_CONTROL 0x10
#define HID_MSG_GET_REPORT 0x40
#define HID_MSG_SET_REPORT 0x50
#define HID_MSG_GET_PROTOCOL 0x60
@@ -73,6 +74,9 @@
/* HID GET REPORT Size Field */
#define HID_GET_REPORT_SIZE_FIELD 0x08
+/* HID Virtual Cable Unplug */
+#define HID_VIRTUAL_CABLE_UNPLUG 0x05
+
static int notification_sk = -1;
static GIOChannel *ctrl_io = NULL;
static GIOChannel *intr_io = NULL;
@@ -744,9 +748,47 @@ static uint8_t bt_hid_disconnect(struct hal_cmd_hidhost_disconnect *cmd,
static uint8_t bt_hid_virtual_unplug(struct hal_cmd_hidhost_virtual_unplug *cmd,
uint16_t len)
{
- DBG("Not Implemented");
+ struct hid_device *dev;
+ GSList *l;
+ bdaddr_t dst;
+ uint8_t hdr;
+ int fd;
- return HAL_STATUS_FAILED;
+ DBG("");
+
+ if (len < sizeof(*cmd))
+ return HAL_STATUS_INVALID;
+
+ android2bdaddr(&cmd->bdaddr, &dst);
+
+ l = g_slist_find_custom(devices, &dst, device_cmp);
+ if (!l)
+ return HAL_STATUS_FAILED;
+
+ dev = l->data;
+
+ if (!(dev->ctrl_io))
+ return HAL_STATUS_FAILED;
+
+ hdr = HID_MSG_CONTROL | HID_VIRTUAL_CABLE_UNPLUG;
+
+ fd = g_io_channel_unix_get_fd(dev->ctrl_io);
+
+ if (write(fd, &hdr, sizeof(hdr)) < 0) {
+ error("error while virtual unplug command");
+ return HAL_STATUS_FAILED;
+ }
+
+ /* Wait either channels to HUP */
+ if (dev->intr_io)
+ g_io_channel_shutdown(dev->intr_io, TRUE, NULL);
+
+ if (dev->ctrl_io)
+ g_io_channel_shutdown(dev->ctrl_io, TRUE, NULL);
+
+ bt_hid_notify_state(dev, HAL_HIDHOST_STATE_DISCONNECTING);
+
+ return HAL_STATUS_SUCCESS;
}
static uint8_t bt_hid_info(struct hal_cmd_hidhost_set_info *cmd, uint16_t len)
--
1.8.3.2
--
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