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Diffstat (limited to 'drivers/extcon/extcon.h')
-rw-r--r--drivers/extcon/extcon.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/extcon/extcon.h b/drivers/extcon/extcon.h
index dddddcfa0587..946182687786 100644
--- a/drivers/extcon/extcon.h
+++ b/drivers/extcon/extcon.h
@@ -1,7 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_EXTCON_INTERNAL_H__
#define __LINUX_EXTCON_INTERNAL_H__
-#include <linux/extcon.h>
+#include <linux/extcon-provider.h>
/**
* struct extcon_dev - An extcon device represents one external connector.
@@ -12,13 +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
@@ -26,7 +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.
@@ -45,6 +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;