drivers/gpu/drm/i915/display/intel_lpe_audio.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/i915/display/intel_lpe_audio.h

Extension

.h

Size

1073 bytes

Lines

41

Domain

Driver Families

Bucket

drivers/gpu

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.

• 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.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/types.h

Detected Declarations

• struct intel_display
• enum port
• enum transcoder
• function intel_lpe_audio_init
• function intel_lpe_audio_teardown

Annotated Snippet

#ifndef __INTEL_LPE_AUDIO_H__
#define __INTEL_LPE_AUDIO_H__

#include <linux/types.h>

enum port;
enum transcoder;
struct intel_display;

#ifdef I915
int  intel_lpe_audio_init(struct intel_display *display);
void intel_lpe_audio_teardown(struct intel_display *display);
void intel_lpe_audio_irq_handler(struct intel_display *display);
void intel_lpe_audio_notify(struct intel_display *display,
			    enum transcoder cpu_transcoder, enum port port,
			    const void *eld, int ls_clock, bool dp_output);
#else
static inline int intel_lpe_audio_init(struct intel_display *display)
{
	return -ENODEV;
}
static inline void intel_lpe_audio_teardown(struct intel_display *display)
{
}
static inline void intel_lpe_audio_irq_handler(struct intel_display *display)
{
}
static inline void intel_lpe_audio_notify(struct intel_display *display,
					  enum transcoder cpu_transcoder, enum port port,
					  const void *eld, int ls_clock, bool dp_output)
{
}
#endif

#endif /* __INTEL_LPE_AUDIO_H__ */

Annotation

• Immediate include surface: `linux/types.h`.
• Detected declarations: `struct intel_display`, `enum port`, `enum transcoder`, `function intel_lpe_audio_init`, `function intel_lpe_audio_teardown`.
• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.