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yaml
---
r: 332180
b: refs/heads/master
c: 954df2a
h: refs/heads/master
v: v3
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David Henningsson authored and Takashi Iwai committed Oct 6, 2012
1 parent ecbbb4b commit 17283f3
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Showing 3 changed files with 40 additions and 3 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0fd0ba5f9e8ebae66afded580f5f34936f740ac7
refs/heads/master: 954df2a9686cebbb9cc4067697b370aa9ce77d4a
32 changes: 30 additions & 2 deletions trunk/sound/pci/hda/hda_jack.c
Original file line number Diff line number Diff line change
Expand Up @@ -192,8 +192,9 @@ EXPORT_SYMBOL_HDA(snd_hda_jack_detect);
/**
* snd_hda_jack_detect_enable - enable the jack-detection
*/
int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
unsigned char action)
int snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
unsigned char action,
hda_jack_callback cb)
{
struct hda_jack_tbl *jack = snd_hda_jack_tbl_new(codec, nid);
if (!jack)
Expand All @@ -203,10 +204,19 @@ int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
jack->jack_detect = 1;
if (action)
jack->action = action;
if (cb)
jack->callback = cb;
return snd_hda_codec_write_cache(codec, nid, 0,
AC_VERB_SET_UNSOLICITED_ENABLE,
AC_USRSP_EN | jack->tag);
}
EXPORT_SYMBOL_HDA(snd_hda_jack_detect_enable_callback);

int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
unsigned char action)
{
return snd_hda_jack_detect_enable_callback(codec, nid, action, NULL);
}
EXPORT_SYMBOL_HDA(snd_hda_jack_detect_enable);

/**
Expand Down Expand Up @@ -411,3 +421,21 @@ int snd_hda_jack_add_kctls(struct hda_codec *codec,
return 0;
}
EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctls);

void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res)
{
struct hda_jack_tbl *event;
int tag = (res >> AC_UNSOL_RES_TAG_SHIFT) & 0x7f;

event = snd_hda_jack_tbl_get_from_tag(codec, tag);
if (!event)
return;
event->jack_dirty = 1;

if (event->callback)
event->callback(codec, event);

snd_hda_jack_report_sync(codec);
}
EXPORT_SYMBOL_HDA(snd_hda_jack_unsol_event);

9 changes: 9 additions & 0 deletions trunk/sound/pci/hda/hda_jack.h
Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,16 @@
#define __SOUND_HDA_JACK_H

struct auto_pin_cfg;
struct hda_jack_tbl;

typedef void (*hda_jack_callback) (struct hda_codec *, struct hda_jack_tbl *);

struct hda_jack_tbl {
hda_nid_t nid;
unsigned char action; /* event action (0 = none) */
unsigned char tag; /* unsol event tag */
unsigned int private_data; /* arbitrary data */
hda_jack_callback callback;
/* jack-detection stuff */
unsigned int pin_sense; /* cached pin-sense value */
unsigned int jack_detect:1; /* capable of jack-detection? */
Expand Down Expand Up @@ -61,6 +65,10 @@ void snd_hda_jack_set_dirty_all(struct hda_codec *codec);

int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
unsigned char action);
int snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
unsigned char action,
hda_jack_callback cb);


u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
Expand All @@ -74,5 +82,6 @@ int snd_hda_jack_add_kctls(struct hda_codec *codec,

void snd_hda_jack_report_sync(struct hda_codec *codec);

void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res);

#endif /* __SOUND_HDA_JACK_H */

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