return 0;
}
+static void turn_on_beep(struct hda_beep *beep)
+{
+ if (beep->keep_power_at_enable)
+ snd_hda_power_up_pm(beep->codec);
+}
+
static void turn_off_beep(struct hda_beep *beep)
{
cancel_work_sync(&beep->beep_work);
/* turn off beep */
generate_tone(beep, 0);
}
+ if (beep->keep_power_at_enable)
+ snd_hda_power_down_pm(beep->codec);
}
/**
enable = !!enable;
if (beep->enabled != enable) {
beep->enabled = enable;
- if (!enable)
+ if (enable)
+ turn_on_beep(beep);
+ else
turn_off_beep(beep);
return 1;
}
input_unregister_device(beep->dev);
else
input_free_device(beep->dev);
- turn_off_beep(beep);
+ if (beep->enabled)
+ turn_off_beep(beep);
return 0;
}
unsigned int enabled:1;
unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */
unsigned int playing:1;
+ unsigned int keep_power_at_enable:1; /* set by driver */
struct work_struct beep_work; /* scheduled task for beep event */
struct mutex mutex;
void (*power_hook)(struct hda_beep *beep, bool on);
if (codec->beep) {
/* IDT/STAC codecs have linear beep tone parameter */
codec->beep->linear_tone = spec->linear_tone_beep;
+ /* keep power up while beep is enabled */
+ codec->beep->keep_power_at_enable = 1;
/* if no beep switch is available, make its own one */
caps = query_amp_caps(codec, nid, HDA_OUTPUT);
if (!(caps & AC_AMPCAP_MUTE)) {
return 0;
}
-
-static int stac_check_power_status(struct hda_codec *codec, hda_nid_t nid)
-{
-#ifdef CONFIG_SND_HDA_INPUT_BEEP
- struct sigmatel_spec *spec = codec->spec;
-#endif
- int ret = snd_hda_gen_check_power_status(codec, nid);
-
-#ifdef CONFIG_SND_HDA_INPUT_BEEP
- if (nid == spec->gen.beep_nid && codec->beep) {
- if (codec->beep->enabled != spec->beep_power_on) {
- spec->beep_power_on = codec->beep->enabled;
- if (spec->beep_power_on)
- snd_hda_power_up_pm(codec);
- else
- snd_hda_power_down_pm(codec);
- }
- ret |= spec->beep_power_on;
- }
-#endif
- return ret;
-}
#else
#define stac_suspend NULL
#endif /* CONFIG_PM */
.unsol_event = snd_hda_jack_unsol_event,
#ifdef CONFIG_PM
.suspend = stac_suspend,
- .check_power_status = stac_check_power_status,
#endif
};