drivers/extcon/extcon.h

Source file repositories/reference/linux-study-clean/drivers/extcon/extcon.h

File Facts

System
Linux kernel
Corpus path
drivers/extcon/extcon.h
Extension
.h
Size
2670 bytes
Lines
69
Domain
Driver Families
Bucket
drivers/extcon
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct extcon_dev {
	/* Optional user initializing data */
	const char *name;
	const unsigned int *supported_cable;
	const u32 *mutually_exclusive;

	/* 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;
	int max_supported;
	spinlock_t lock;	/* could be called by irq handler */
	u32 state;

	/* /sys/class/extcon/.../cable.n/... */
	struct device_type extcon_dev_type;
	struct extcon_cable *cables;

	/* /sys/class/extcon/.../mutually_exclusive/... */
	struct attribute_group attr_g_muex;
	struct attribute **attrs_muex;
	struct device_attribute *d_attrs_muex;
};

#endif /* __LINUX_EXTCON_INTERNAL_H__ */

Annotation

Implementation Notes