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Revert "ALSA: hda/generic: Add a helper to mute speakers at suspend/shutdown"

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This reverts commit 3b7b13e567.
This commit is contained in:
Ksawlii 2024-11-24 00:23:48 +01:00
parent 02ad062f6b
commit 01722965aa
2 changed files with 0 additions and 64 deletions
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63
sound/pci/hda/hda_generic.c
View file

@ -5067,69 +5067,6 @@ void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on)
}
EXPORT_SYMBOL_GPL(snd_hda_gen_stream_pm);
/* forcibly mute the speaker output without caching; return true if updated */
static bool force_mute_output_path(struct hda_codec *codec, hda_nid_t nid)
{
if (!nid)
return false;
if (!nid_has_mute(codec, nid, HDA_OUTPUT))
return false; /* no mute, skip */
if (snd_hda_codec_amp_read(codec, nid, 0, HDA_OUTPUT, 0) &
snd_hda_codec_amp_read(codec, nid, 1, HDA_OUTPUT, 0) &
HDA_AMP_MUTE)
return false; /* both channels already muted, skip */
/* direct amp update without caching */
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
AC_AMP_SET_OUTPUT | AC_AMP_SET_LEFT |
AC_AMP_SET_RIGHT | HDA_AMP_MUTE);
return true;
}
/**
* snd_hda_gen_shutup_speakers - Forcibly mute the speaker outputs
* @codec: the HDA codec
*
* Forcibly mute the speaker outputs, to be called at suspend or shutdown.
*
* The mute state done by this function isn't cached, hence the original state
* will be restored at resume.
*
* Return true if the mute state has been changed.
*/
bool snd_hda_gen_shutup_speakers(struct hda_codec *codec)
{
struct hda_gen_spec *spec = codec->spec;
const int *paths;
const struct nid_path *path;
int i, p, num_paths;
bool updated = false;
/* if already powered off, do nothing */
if (!snd_hdac_is_power_on(&codec->core))
return false;
if (spec->autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT) {
paths = spec->out_paths;
num_paths = spec->autocfg.line_outs;
} else {
paths = spec->speaker_paths;
num_paths = spec->autocfg.speaker_outs;
}
for (i = 0; i < num_paths; i++) {
path = snd_hda_get_path_from_idx(codec, paths[i]);
if (!path)
continue;
for (p = 0; p < path->depth; p++)
if (force_mute_output_path(codec, path->path[p]))
updated = true;
}
return updated;
}
EXPORT_SYMBOL_GPL(snd_hda_gen_shutup_speakers);
/**
* snd_hda_gen_parse_auto_config - Parse the given BIOS configuration and
* set up the hda_gen_spec

1
sound/pci/hda/hda_generic.h
View file

@ -364,6 +364,5 @@ int snd_hda_gen_add_mute_led_cdev(struct hda_codec *codec,
int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec,
int (*callback)(struct led_classdev *,
enum led_brightness));
bool snd_hda_gen_shutup_speakers(struct hda_codec *codec);
#endif /* __SOUND_HDA_GENERIC_H */