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Bluetooth: Handle BR/EDR devices during suspend

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To handle BR/EDR devices, we first disable page scan and disconnect all
connected devices. Once that is complete, we add event filters (for
devices that can wake the system) and re-enable page scan.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Abhishek Pandit-Subedi
2020-03-11 08:54:01 -07:00
committed by Marcel Holtmann
parent 9952d90ea2
commit 4f40afc6c7
5 changed files with 169 additions and 10 deletions
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17
include/net/bluetooth/hci.h
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@@ -942,10 +942,14 @@ struct hci_cp_sniff_subrate {
#define HCI_OP_RESET 0x0c03
#define HCI_OP_SET_EVENT_FLT 0x0c05
struct hci_cp_set_event_flt {
__u8 flt_type;
__u8 cond_type;
__u8 condition[];
#define HCI_SET_EVENT_FLT_SIZE 9
struct hci_cp_set_event_filter {
__u8 flt_type;
__u8 cond_type;
struct {
bdaddr_t bdaddr;
__u8 auto_accept;
} __packed addr_conn_flt;
} __packed;
/* Filter types */
@@ -959,8 +963,9 @@ struct hci_cp_set_event_flt {
#define HCI_CONN_SETUP_ALLOW_BDADDR 0x02
/* CONN_SETUP Conditions */
#define HCI_CONN_SETUP_AUTO_OFF 0x01
#define HCI_CONN_SETUP_AUTO_ON 0x02
#define HCI_CONN_SETUP_AUTO_OFF 0x01
#define HCI_CONN_SETUP_AUTO_ON 0x02
#define HCI_CONN_SETUP_AUTO_ON_WITH_RS 0x03
#define HCI_OP_READ_STORED_LINK_KEY 0x0c0d
struct hci_cp_read_stored_link_key {