sound/pci/pcxhr/pcxhr_mix22.h

File Facts

System

Linux kernel

Corpus path

sound/pci/pcxhr/pcxhr_mix22.h

Extension

.h

Size

1640 bytes

Lines

48

Domain

Driver Families

Bucket

sound/pci

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

• No C-style include directives detected by the generator.

Detected Declarations

• struct pcxhr_mgr

Annotated Snippet

#ifndef __SOUND_PCXHR_MIX22_H
#define __SOUND_PCXHR_MIX22_H

struct pcxhr_mgr;

int hr222_sub_init(struct pcxhr_mgr *mgr);
int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
			int *changed);
int hr222_get_external_clock(struct pcxhr_mgr *mgr,
			     enum pcxhr_clock_type clock_type,
			     int *sample_rate);

int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
int hr222_write_gpo(struct pcxhr_mgr *mgr, int value);
int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable);

#define HR222_LINE_PLAYBACK_LEVEL_MIN		0	/* -25.5 dB */
#define HR222_LINE_PLAYBACK_ZERO_LEVEL		51	/* 0.0 dB */
#define HR222_LINE_PLAYBACK_LEVEL_MAX		99	/* +24.0 dB */

#define HR222_LINE_CAPTURE_LEVEL_MIN		0	/* -111.5 dB */
#define HR222_LINE_CAPTURE_ZERO_LEVEL		223	/* 0.0 dB */
#define HR222_LINE_CAPTURE_LEVEL_MAX		255	/* +16 dB */
#define HR222_MICRO_CAPTURE_LEVEL_MIN		0	/* -98.5 dB */
#define HR222_MICRO_CAPTURE_LEVEL_MAX		210	/* +6.5 dB */

int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
				    int is_capture,
				    int channel);
int hr222_set_audio_source(struct snd_pcxhr *chip);
int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
			      unsigned char *aes_bits);
int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
			     unsigned char aes_bits);

int hr222_add_mic_controls(struct snd_pcxhr *chip);

#endif /* __SOUND_PCXHR_MIX22_H */

Annotation

• Detected declarations: `struct pcxhr_mgr`.
• Atlas domain: Driver Families / sound/pci.
• 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.