sound/soc/codecs/mt6359-accdet.h

Source file repositories/reference/linux-study-clean/sound/soc/codecs/mt6359-accdet.h

File Facts

System
Linux kernel
Corpus path
sound/soc/codecs/mt6359-accdet.h
Extension
.h
Size
3040 bytes
Lines
138
Domain
Driver Families
Bucket
sound/soc
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 three_key_threshold {
	unsigned int mid;
	unsigned int up;
	unsigned int down;
};

struct four_key_threshold {
	unsigned int mid;
	unsigned int voice;
	unsigned int up;
	unsigned int down;
};

struct pwm_deb_settings {
	unsigned int pwm_width;
	unsigned int pwm_thresh;
	unsigned int fall_delay;
	unsigned int rise_delay;
	unsigned int debounce0;
	unsigned int debounce1;
	unsigned int debounce3;
	unsigned int debounce4;
	unsigned int eint_pwm_width;
	unsigned int eint_pwm_thresh;
	unsigned int eint_debounce0;
	unsigned int eint_debounce1;
	unsigned int eint_debounce2;
	unsigned int eint_debounce3;
	unsigned int eint_inverter_debounce;

};

struct dts_data {
	unsigned int mic_vol;
	unsigned int mic_mode;
	unsigned int plugout_deb;
	unsigned int eint_pol;
	struct pwm_deb_settings *pwm_deb;
	struct three_key_threshold three_key;
	struct four_key_threshold four_key;
	unsigned int moisture_detect_enable;
	unsigned int eint_detect_mode;
	unsigned int eint_use_ext_res;
	unsigned int eint_comp_vth;
	unsigned int moisture_detect_mode;
	unsigned int moisture_comp_vth;
	unsigned int moisture_comp_vref2;
	unsigned int moisture_use_ext_res;
};

struct mt6359_accdet {
	struct snd_soc_jack *jack;
	struct device *dev;
	struct regmap *regmap;
	struct dts_data *data;
	unsigned int caps;
	int accdet_irq;
	int accdet_eint0;
	int accdet_eint1;
	struct mutex res_lock; /* lock protection */
	bool jack_plugged;
	unsigned int jack_type;
	unsigned int btn_type;
	unsigned int accdet_status;
	unsigned int pre_accdet_status;
	unsigned int cali_voltage;
	unsigned int jd_sts;
	struct work_struct accdet_work;
	struct workqueue_struct *accdet_workqueue;
	struct work_struct jd_work;
	struct workqueue_struct *jd_workqueue;
};

#if IS_ENABLED(CONFIG_SND_SOC_MT6359_ACCDET)
int mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
				     struct snd_soc_jack *jack);
#else
static inline int
mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
				 struct snd_soc_jack *jack)
{
	return -EOPNOTSUPP;
}
#endif
#endif

Annotation

Implementation Notes