This patch adds GATT write without response operation when suspending
or resuming.
---
profiles/input/hog_device.c | 27 ++++++++++++++++++++++++++-
profiles/input/hog_device.h | 1 +
profiles/input/hog_manager.c | 14 ++++++++++++++
3 files changed, 41 insertions(+), 1 deletions(-)
diff --git a/profiles/input/hog_device.c b/profiles/input/hog_device.c
index a561876..2e9293d 100644
--- a/profiles/input/hog_device.c
+++ b/profiles/input/hog_device.c
@@ -55,6 +55,7 @@
#define HOG_REPORT_MAP_UUID 0x2A4B
#define HOG_REPORT_UUID 0x2A4D
#define HOG_PROTO_MODE_UUID 0x2A4E
+#define HOG_CONTROL_POINT_UUID 0x2A4C
#define HOG_REPORT_TYPE_INPUT 1
#define HOG_REPORT_TYPE_OUTPUT 2
@@ -82,6 +83,7 @@ struct hog_device {
uint16_t bcdhid;
uint8_t bcountrycode;
uint16_t proto_mode_handle;
+ uint16_t ctrlpt_handle;
uint8_t flags;
};
@@ -437,7 +439,8 @@ static void proto_mode_read_cb(guint8 status, const guint8 *pdu, guint16 plen,
static void char_discovered_cb(GSList *chars, guint8 status, gpointer user_data)
{
struct hog_device *hogdev = user_data;
- bt_uuid_t report_uuid, report_map_uuid, info_uuid, proto_mode_uuid;
+ bt_uuid_t report_uuid, report_map_uuid, info_uuid, proto_mode_uuid,
+ ctrlpt_uuid;
struct report *report;
GSList *l;
uint16_t info_handle = 0, proto_mode_handle = 0;
@@ -452,6 +455,7 @@ static void char_discovered_cb(GSList *chars, guint8 status, gpointer user_data)
bt_uuid16_create(&report_map_uuid, HOG_REPORT_MAP_UUID);
bt_uuid16_create(&info_uuid, HOG_INFO_UUID);
bt_uuid16_create(&proto_mode_uuid, HOG_PROTO_MODE_UUID);
+ bt_uuid16_create(&ctrlpt_uuid, HOG_CONTROL_POINT_UUID);
for (l = chars; l; l = g_slist_next(l)) {
struct gatt_char *chr, *next;
@@ -480,6 +484,8 @@ static void char_discovered_cb(GSList *chars, guint8 status, gpointer user_data)
info_handle = chr->value_handle;
else if (bt_uuid_cmp(&uuid, &proto_mode_uuid) == 0)
proto_mode_handle = chr->value_handle;
+ else if (bt_uuid_cmp(&uuid, &ctrlpt_uuid) == 0)
+ hogdev->ctrlpt_handle = chr->value_handle;
}
if (proto_mode_handle) {
@@ -763,3 +769,22 @@ int hog_device_unregister(struct hog_device *hogdev)
return 0;
}
+
+int hog_device_set_control_point(struct hog_device *hogdev, gboolean suspend)
+{
+ uint8_t value = suspend ? 0x00 : 0x01;
+
+ if (hogdev->attrib == NULL)
+ return -ENOTCONN;
+
+ DBG("%s HID Control Point: %s", hogdev->path, suspend ?
+ "Suspend" : "Exit Suspend");
+
+ if (hogdev->ctrlpt_handle == 0)
+ return -ENOTSUP;
+
+ gatt_write_char(hogdev->attrib, hogdev->ctrlpt_handle, &value,
+ sizeof(value), NULL, NULL);
+
+ return 0;
+}
diff --git a/profiles/input/hog_device.h b/profiles/input/hog_device.h
index 5679527..54b2cde 100644
--- a/profiles/input/hog_device.h
+++ b/profiles/input/hog_device.h
@@ -30,3 +30,4 @@ struct hog_device *hog_device_register(struct btd_device *device,
const char *path, int *perr);
int hog_device_unregister(struct hog_device *hogdev);
struct hog_device *hog_device_find(GSList *list, const char *path);
+int hog_device_set_control_point(struct hog_device *hogdev, gboolean suspend);
diff --git a/profiles/input/hog_manager.c b/profiles/input/hog_manager.c
index ce8e2ff..7f1cdba 100644
--- a/profiles/input/hog_manager.c
+++ b/profiles/input/hog_manager.c
@@ -42,12 +42,26 @@ static gboolean upower_supported = FALSE;
static DBusConnection *connection = NULL;
static GSList *devices = NULL;
+static void set_suspend(gpointer data, gpointer user_data)
+{
+ struct hog_device *hogdev = data;
+ gboolean suspend = GPOINTER_TO_INT(user_data);
+
+ hog_device_set_control_point(hogdev, suspend);
+}
+
static void suspend_event_cb(void)
{
+ gboolean suspend = TRUE;
+
+ g_slist_foreach(devices, set_suspend, GINT_TO_POINTER(suspend));
}
static void resume_event_cb(void)
{
+ gboolean suspend = FALSE;
+
+ g_slist_foreach(devices, set_suspend, GINT_TO_POINTER(suspend));
}
static int hog_device_probe(struct btd_device *device, GSList *uuids)
--
1.7.8.6
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