Register for controller resume notification and notify the adapter drivers when it occurs. Also adds the resume event kernel feature to make sure the kernel supports this event. --- Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None src/adapter.c | 43 +++++++++++++++++++++++++++++++++++++++++++ src/adapter.h | 2 ++ 2 files changed, 45 insertions(+) diff --git a/src/adapter.c b/src/adapter.c index 88b5202d9..b431097f2 100644 --- a/src/adapter.c +++ b/src/adapter.c @@ -8771,6 +8771,33 @@ static void connected_callback(uint16_t index, uint16_t length, eir_data_free(&eir_data); } +static void controller_resume_notify(struct btd_adapter *adapter) +{ + GSList *l; + + for (l = adapter->drivers; l; l = g_slist_next(l)) { + struct btd_adapter_driver *driver = l->data; + if (driver->resume) + driver->resume(adapter); + } +} + +static void controller_resume_callback(uint16_t index, uint16_t length, + const void *param, void *user_data) +{ + const struct mgmt_ev_controller_resume *ev = param; + struct btd_adapter *adapter = user_data; + + if (length < sizeof(*ev)) { + btd_error(adapter->dev_id, "Too small device resume event"); + return; + } + + info("Controller resume with wake event 0x%x", ev->wake_reason); + + controller_resume_notify(adapter); +} + static void device_blocked_callback(uint16_t index, uint16_t length, const void *param, void *user_data) { @@ -9394,6 +9421,11 @@ static void read_info_complete(uint8_t status, uint16_t length, user_passkey_notify_callback, adapter, NULL); + mgmt_register(adapter->mgmt, MGMT_EV_CONTROLLER_RESUME, + adapter->dev_id, + controller_resume_callback, + adapter, NULL); + set_dev_class(adapter); set_name(adapter, btd_adapter_get_name(adapter)); @@ -9604,6 +9636,17 @@ static void read_commands_complete(uint8_t status, uint16_t length, break; } } + + for (i = 0; i < num_events; i++) { + uint16_t ev = get_le16(rp->opcodes + num_commands + i); + + switch(ev) { + case MGMT_EV_CONTROLLER_RESUME: + DBG("kernel supports suspend/resume events"); + kernel_features |= KERNEL_HAS_RESUME_EVT; + break; + } + } } static void read_version_complete(uint8_t status, uint16_t length, diff --git a/src/adapter.h b/src/adapter.h index b0ed4915f..fae2e9d3d 100644 --- a/src/adapter.h +++ b/src/adapter.h @@ -113,6 +113,7 @@ struct btd_adapter_driver { const char *name; int (*probe) (struct btd_adapter *adapter); void (*remove) (struct btd_adapter *adapter); + void (*resume) (struct btd_adapter *adapter); }; typedef void (*service_auth_cb) (DBusError *derr, void *user_data); @@ -239,6 +240,7 @@ enum kernel_features { KERNEL_BLOCKED_KEYS_SUPPORTED = 1 << 1, KERNEL_SET_SYSTEM_CONFIG = 1 << 2, KERNEL_EXP_FEATURES = 1 << 3, + KERNEL_HAS_RESUME_EVT = 1 << 4, }; bool has_kernel_features(uint32_t feature); -- 2.28.0.618.gf4bc123cb7-goog