val = snd_hda_get_bool_hint(codec, "single_adc_amp");
if (val >= 0)
codec->single_adc_amp = !!val;
+ val = snd_hda_get_bool_hint(codec, "power_mgmt");
+ if (val >= 0)
+ codec->power_mgmt = !!val;
val = snd_hda_get_bool_hint(codec, "auto_mute");
if (val >= 0)
unsigned int dir, unsigned int idx)
{
struct hda_gen_spec *spec = codec->spec;
+ int type = get_wcaps_type(get_wcaps(codec, nid));
int i, n;
for (n = 0; n < spec->paths.used; n++) {
struct nid_path *path = snd_array_elem(&spec->paths, n);
if (!path->active)
continue;
+ if (codec->power_mgmt) {
+ if (!path->stream_enabled)
+ continue;
+ /* ignore unplugged paths except for DAC/ADC */
+ if (!path->pin_enabled &&
+ type != AC_WID_AUD_OUT && type != AC_WID_AUD_IN)
+ continue;
+ }
for (i = 0; i < path->depth; i++) {
if (path->path[i] == nid) {
if (dir == HDA_OUTPUT || path->idx[i] == idx)
}
}
+/* sync power of each widget in the the given path */
+static hda_nid_t path_power_update(struct hda_codec *codec,
+ struct nid_path *path,
+ bool allow_powerdown)
+{
+ hda_nid_t nid, changed = 0;
+ int i, state;
+
+ for (i = 0; i < path->depth; i++) {
+ nid = path->path[i];
+ if (!allow_powerdown || is_active_nid_for_any(codec, nid))
+ state = AC_PWRST_D0;
+ else
+ state = AC_PWRST_D3;
+ if (!snd_hda_check_power_state(codec, nid, state)) {
+ snd_hda_codec_write(codec, nid, 0,
+ AC_VERB_SET_POWER_STATE, state);
+ changed = nid;
+ /* here we assume that widget attributes (e.g. amp,
+ * pinctl connection) don't change with local power
+ * state change. If not, need to sync the cache.
+ */
+ }
+ }
+ return changed;
+}
+
+/* do sync with the last power state change */
+static void sync_power_state_change(struct hda_codec *codec, hda_nid_t nid)
+{
+ if (nid) {
+ msleep(10);
+ snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
+ }
+}
+
/**
* snd_hda_activate_path - activate or deactivate the given path
* @codec: the HDA codec
if (!enable)
path->active = false;
+ /* make sure the widget is powered up */
+ if (enable && (spec->power_down_unused || codec->power_mgmt))
+ path_power_update(codec, path, codec->power_mgmt);
+
for (i = path->depth - 1; i >= 0; i--) {
hda_nid_t nid = path->path[i];
- if (enable && spec->power_down_unused) {
- /* make sure the widget is powered up */
- if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0))
- snd_hda_codec_write(codec, nid, 0,
- AC_VERB_SET_POWER_STATE,
- AC_PWRST_D0);
- }
+
if (enable && path->multi[i])
snd_hda_codec_update_cache(codec, nid, 0,
AC_VERB_SET_CONNECT_SEL,
static void path_power_down_sync(struct hda_codec *codec, struct nid_path *path)
{
struct hda_gen_spec *spec = codec->spec;
- bool changed = false;
- int i;
- if (!spec->power_down_unused || path->active)
+ if (!(spec->power_down_unused || codec->power_mgmt) || path->active)
return;
-
- for (i = 0; i < path->depth; i++) {
- hda_nid_t nid = path->path[i];
- if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D3) &&
- !is_active_nid_for_any(codec, nid)) {
- snd_hda_codec_write(codec, nid, 0,
- AC_VERB_SET_POWER_STATE,
- AC_PWRST_D3);
- changed = true;
- }
- }
-
- if (changed) {
- msleep(10);
- snd_hda_codec_read(codec, path->path[0], 0,
- AC_VERB_GET_POWER_STATE, 0);
- }
+ sync_power_state_change(codec, path_power_update(codec, path, true));
}
/* turn on/off EAPD on the given pin */
return 0;
/* print_nid_path(codec, "output-aamix", path); */
path->active = false; /* unused as default */
+ path->pin_enabled = true; /* static route */
return snd_hda_get_path_idx(codec, path);
}
}
path->active = true;
+ path->stream_enabled = true; /* no DAC/ADC involved */
err = add_loopback_list(spec, mix_nid, idx);
if (err < 0)
return err;
if (path) {
print_nid_path(codec, "loopback-merge", path);
path->active = true;
+ path->pin_enabled = true; /* static route */
+ path->stream_enabled = true; /* no DAC/ADC involved */
spec->loopback_merge_path =
snd_hda_get_path_idx(codec, path);
}
continue;
print_nid_path(codec, "digout", path);
path->active = true;
+ path->pin_enabled = true; /* no jack detection */
spec->digout_paths[i] = snd_hda_get_path_idx(codec, path);
set_pin_target(codec, pin, PIN_OUT, false);
if (!nums) {
if (path) {
print_nid_path(codec, "digin", path);
path->active = true;
+ path->pin_enabled = true; /* no jack */
spec->dig_in_nid = dig_nid;
spec->digin_path = snd_hda_get_path_idx(codec, path);
set_pin_target(codec, pin, PIN_IN, false);
return 1;
}
+/* power up/down widgets in the all paths that match with the given NID
+ * as terminals (either start- or endpoint)
+ *
+ * returns the last changed NID, or zero if unchanged.
+ */
+static hda_nid_t set_path_power(struct hda_codec *codec, hda_nid_t nid,
+ int pin_state, int stream_state)
+{
+ struct hda_gen_spec *spec = codec->spec;
+ hda_nid_t last, changed = 0;
+ struct nid_path *path;
+ int n;
+
+ for (n = 0; n < spec->paths.used; n++) {
+ path = snd_array_elem(&spec->paths, n);
+ if (path->path[0] == nid ||
+ path->path[path->depth - 1] == nid) {
+ bool pin_old = path->pin_enabled;
+ bool stream_old = path->stream_enabled;
+
+ if (pin_state >= 0)
+ path->pin_enabled = pin_state;
+ if (stream_state >= 0)
+ path->stream_enabled = stream_state;
+ if (path->pin_enabled != pin_old ||
+ path->stream_enabled != stream_old) {
+ last = path_power_update(codec, path, true);
+ if (last)
+ changed = last;
+ }
+ }
+ }
+ return changed;
+}
+
+/* power up/down the paths of the given pin according to the jack state;
+ * power = 0/1 : only power up/down if it matches with the jack state,
+ * < 0 : force power up/down to follow the jack sate
+ *
+ * returns the last changed NID, or zero if unchanged.
+ */
+static hda_nid_t set_pin_power_jack(struct hda_codec *codec, hda_nid_t pin,
+ int power)
+{
+ bool on;
+
+ if (!codec->power_mgmt)
+ return 0;
+
+ on = snd_hda_jack_detect_state(codec, pin) != HDA_JACK_NOT_PRESENT;
+ if (power >= 0 && on != power)
+ return 0;
+ return set_path_power(codec, pin, on, -1);
+}
+
+static void pin_power_callback(struct hda_codec *codec,
+ struct hda_jack_callback *jack,
+ bool on)
+{
+ if (jack && jack->tbl->nid)
+ sync_power_state_change(codec,
+ set_pin_power_jack(codec, jack->tbl->nid, on));
+}
+
+/* callback only doing power up -- called at first */
+static void pin_power_up_callback(struct hda_codec *codec,
+ struct hda_jack_callback *jack)
+{
+ pin_power_callback(codec, jack, true);
+}
+
+/* callback only doing power down -- called at last */
+static void pin_power_down_callback(struct hda_codec *codec,
+ struct hda_jack_callback *jack)
+{
+ pin_power_callback(codec, jack, false);
+}
+
+/* set up the power up/down callbacks */
+static void add_pin_power_ctls(struct hda_codec *codec, int num_pins,
+ const hda_nid_t *pins, bool on)
+{
+ int i;
+ hda_jack_callback_fn cb =
+ on ? pin_power_up_callback : pin_power_down_callback;
+
+ for (i = 0; i < num_pins && pins[i]; i++) {
+ if (is_jack_detectable(codec, pins[i]))
+ snd_hda_jack_detect_enable_callback(codec, pins[i], cb);
+ else
+ set_path_power(codec, pins[i], true, -1);
+ }
+}
+
+/* enabled power callback to each available I/O pin with jack detections;
+ * the digital I/O pins are excluded because of the unreliable detectsion
+ */
+static void add_all_pin_power_ctls(struct hda_codec *codec, bool on)
+{
+ struct hda_gen_spec *spec = codec->spec;
+ struct auto_pin_cfg *cfg = &spec->autocfg;
+ int i;
+
+ if (!codec->power_mgmt)
+ return;
+ add_pin_power_ctls(codec, cfg->line_outs, cfg->line_out_pins, on);
+ if (cfg->line_out_type != AUTO_PIN_HP_OUT)
+ add_pin_power_ctls(codec, cfg->hp_outs, cfg->hp_pins, on);
+ if (cfg->line_out_type != AUTO_PIN_SPEAKER_OUT)
+ add_pin_power_ctls(codec, cfg->speaker_outs, cfg->speaker_pins, on);
+ for (i = 0; i < cfg->num_inputs; i++)
+ add_pin_power_ctls(codec, 1, &cfg->inputs[i].pin, on);
+}
+
+/* sync path power up/down with the jack states of given pins */
+static void sync_pin_power_ctls(struct hda_codec *codec, int num_pins,
+ const hda_nid_t *pins)
+{
+ int i;
+
+ for (i = 0; i < num_pins && pins[i]; i++)
+ if (is_jack_detectable(codec, pins[i]))
+ set_pin_power_jack(codec, pins[i], -1);
+}
+
+/* sync path power up/down with pins; called at init and resume */
+static void sync_all_pin_power_ctls(struct hda_codec *codec)
+{
+ struct hda_gen_spec *spec = codec->spec;
+ struct auto_pin_cfg *cfg = &spec->autocfg;
+ int i;
+
+ if (!codec->power_mgmt)
+ return;
+ sync_pin_power_ctls(codec, cfg->line_outs, cfg->line_out_pins);
+ if (cfg->line_out_type != AUTO_PIN_HP_OUT)
+ sync_pin_power_ctls(codec, cfg->hp_outs, cfg->hp_pins);
+ if (cfg->line_out_type != AUTO_PIN_SPEAKER_OUT)
+ sync_pin_power_ctls(codec, cfg->speaker_outs, cfg->speaker_pins);
+ for (i = 0; i < cfg->num_inputs; i++)
+ sync_pin_power_ctls(codec, 1, &cfg->inputs[i].pin);
+}
/*
* Jack detections for HP auto-mute and mic-switch
if (!nid)
break;
+ oldval = snd_hda_codec_get_pin_target(codec, nid);
+ if (oldval & PIN_IN)
+ continue; /* no mute for inputs */
+
if (spec->auto_mute_via_amp) {
struct nid_path *path;
hda_nid_t mute_nid;
spec->mute_bits |= (1ULL << mute_nid);
else
spec->mute_bits &= ~(1ULL << mute_nid);
- set_pin_eapd(codec, nid, !mute);
continue;
+ } else {
+ /* don't reset VREF value in case it's controlling
+ * the amp (see alc861_fixup_asus_amp_vref_0f())
+ */
+ if (spec->keep_vref_in_automute)
+ val = oldval & ~PIN_HP;
+ else
+ val = 0;
+ if (!mute)
+ val |= oldval;
+ /* here we call update_pin_ctl() so that the pinctl is
+ * changed without changing the pinctl target value;
+ * the original target value will be still referred at
+ * the init / resume again
+ */
+ update_pin_ctl(codec, nid, val);
}
- oldval = snd_hda_codec_get_pin_target(codec, nid);
- if (oldval & PIN_IN)
- continue; /* no mute for inputs */
- /* don't reset VREF value in case it's controlling
- * the amp (see alc861_fixup_asus_amp_vref_0f())
- */
- if (spec->keep_vref_in_automute)
- val = oldval & ~PIN_HP;
- else
- val = 0;
- if (!mute)
- val |= oldval;
- /* here we call update_pin_ctl() so that the pinctl is changed
- * without changing the pinctl target value;
- * the original target value will be still referred at the
- * init / resume again
- */
- update_pin_ctl(codec, nid, val);
set_pin_eapd(codec, nid, !mute);
+ if (codec->power_mgmt) {
+ bool on = !mute;
+ if (on)
+ on = snd_hda_jack_detect_state(codec, nid)
+ != HDA_JACK_NOT_PRESENT;
+ set_path_power(codec, nid, on, -1);
+ }
}
}
}
}
+/**
+ * snd_hda_gen_stream_pm - Stream power management callback
+ * @codec: the HDA codec
+ * @nid: audio widget
+ * @on: power on/off flag
+ *
+ * Set this in patch_ops.stream_pm. Only valid with power_mgmt flag.
+ */
+void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on)
+{
+ if (codec->power_mgmt)
+ set_path_power(codec, nid, -1, on);
+}
+EXPORT_SYMBOL_GPL(snd_hda_gen_stream_pm);
+
/**
* snd_hda_gen_parse_auto_config - Parse the given BIOS configuration and
* set up the hda_gen_spec
if (err < 0)
return err;
+ /* add power-down pin callbacks at first */
+ add_all_pin_power_ctls(codec, false);
+
spec->const_channel_count = spec->ext_channel_count;
/* check the multiple speaker and headphone pins */
if (cfg->line_out_type != AUTO_PIN_SPEAKER_OUT)
}
}
+ /* add power-up pin callbacks at last */
+ add_all_pin_power_ctls(codec, true);
+
/* mute all aamix input initially */
if (spec->mixer_nid)
mute_all_mixer_nid(codec, spec->mixer_nid);
dig_only:
parse_digital(codec);
- if (spec->power_down_unused)
+ if (spec->power_down_unused || codec->power_mgmt)
codec->power_filter = snd_hda_gen_path_power_filter;
if (!spec->no_analog && spec->beep_nid) {
clear_unsol_on_unused_pins(codec);
+ sync_all_pin_power_ctls(codec);
+
/* call init functions of standard auto-mute helpers */
update_automute_all(codec);
projects / openwrt / staging / blogic.git / commitdiff