diff options
Diffstat (limited to 'drivers/extcon/extcon.h')
| -rw-r--r-- | drivers/extcon/extcon.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/extcon/extcon.h b/drivers/extcon/extcon.h index 93b5e0306966..946182687786 100644 --- a/drivers/extcon/extcon.h +++ b/drivers/extcon/extcon.h @@ -13,13 +13,14 @@ * are disabled. * @mutually_exclusive: Array of mutually exclusive set of cables that cannot * be attached simultaneously. The array should be - * ending with NULL or be NULL (no mutually exclusive - * cables). For example, if it is { 0x7, 0x30, 0}, then, + * ending with 0 or be NULL (no mutually exclusive cables). + * For example, if it is {0x7, 0x30, 0}, then, * {0, 1}, {0, 1, 2}, {0, 2}, {1, 2}, or {4, 5} cannot * be attached simulataneously. {0x7, 0} is equivalent to * {0x3, 0x6, 0x5, 0}. If it is {0xFFFFFFFF, 0}, there * can be no simultaneous connections. * @dev: Device of this extcon. + * @id: Unique device ID of this extcon. * @state: Attach/detach state of this extcon. Do not provide at * register-time. * @nh_all: Notifier for the state change events for all supported @@ -27,7 +28,7 @@ * @nh: Notifier for the state change events from this extcon * @entry: To support list of extcon devices so that users can * search for extcon devices based on the extcon name. - * @lock: + * @lock: Protects device state and serialises device registration * @max_supported: Internal value to store the number of cables. * @extcon_dev_type: Device_type struct to provide attribute_groups * customized for each extcon device. @@ -46,6 +47,7 @@ struct extcon_dev { /* Internal data. Please do not set. */ struct device dev; + unsigned int id; struct raw_notifier_head nh_all; struct raw_notifier_head *nh; struct list_head entry; |