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extcon: Add named extcon link

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Allow Android access by name.

Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: Ia81c1887f41a0ad587d7f78683213e9716e9806b
This commit is contained in:
Tao Huang
2019-11-14 16:23:44 +08:00
parent c653aafaf9
commit 513c60a1ba
1 changed files with 16 additions and 0 deletions
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16
drivers/extcon/extcon.c
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@@ -33,6 +33,9 @@
#include <linux/sysfs.h>
#include "extcon.h"
#ifdef CONFIG_ARCH_ROCKCHIP
#include "../base/base.h"
#endif
#define SUPPORTED_CABLE_MAX 32
@@ -1276,6 +1279,14 @@ int extcon_dev_register(struct extcon_dev *edev)
list_add(&edev->entry, &extcon_dev_list);
mutex_unlock(&extcon_dev_list_lock);
#ifdef CONFIG_ARCH_ROCKCHIP
ret = sysfs_create_link(&edev->dev.class->p->subsys.kobj,
&edev->dev.kobj, edev->name);
if (ret)
dev_err(&edev->dev, "failed to create extcon %s link\n",
edev->name);
#endif
return 0;
err_dev:
@@ -1323,6 +1334,11 @@ void extcon_dev_unregister(struct extcon_dev *edev)
return;
}
#ifdef CONFIG_ARCH_ROCKCHIP
sysfs_delete_link(&edev->dev.class->p->subsys.kobj,
&edev->dev.kobj, edev->name);
#endif
device_unregister(&edev->dev);
if (edev->mutually_exclusive && edev->max_supported) {