static int ad1988_auto_smux_enum_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct ad198x_spec *spec = codec->spec;
unsigned int val = ucontrol->value.enumerated.item[0];
struct nid_path *path;
int num_conns = snd_hda_get_num_conns(codec, 0x0b) + 1;
if (val >= num_conns)
return -EINVAL;
if (spec->cur_smux == val)
return 0;
mutex_lock(&codec->control_mutex);
path = snd_hda_get_path_from_idx(codec,
spec->smux_paths[spec->cur_smux]);
if (path)
snd_hda_activate_path(codec, path, false, true);
path = snd_hda_get_path_from_idx(codec, spec->smux_paths[val]);
if (path)
snd_hda_activate_path(codec, path, true, true);
spec->cur_smux = val;
mutex_unlock(&codec->control_mutex);
return 1;
}
static void olpc_xo_update_mic_pins(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;
int cur_input, val;
struct nid_path *path;
cur_input = spec->gen.input_paths[0][spec->gen.cur_mux[0]];
/* Set up mic pins for port-B, C and F dynamically as the recording
* LED is turned on/off by these pin controls
*/
if (!spec->dc_enable) {
/* disable DC bias path and pin for port F */
update_mic_pin(codec, 0x1e, 0);
snd_hda_activate_path(codec, spec->dc_mode_path, false, false);
/* update port B (ext mic) and C (int mic) */
/* OLPC defers mic widget control until when capture is
* started because the microphone LED comes on as soon as
* these settings are put in place. if we did this before
* recording, it would give the false indication that
* recording is happening when it is not.
*/
update_mic_pin(codec, 0x1a, spec->recording ?
snd_hda_codec_get_pin_target(codec, 0x1a) : 0);
update_mic_pin(codec, 0x1b, spec->recording ?
snd_hda_codec_get_pin_target(codec, 0x1b) : 0);
/* enable normal mic path */
path = snd_hda_get_path_from_idx(codec, cur_input);
if (path)
snd_hda_activate_path(codec, path, true, false);
} else {
/* disable normal mic path */
path = snd_hda_get_path_from_idx(codec, cur_input);
if (path)
snd_hda_activate_path(codec, path, false, false);
/* Even though port F is the DC input, the bias is controlled
* on port B. We also leave that port as an active input (but
* unselected) in DC mode just in case that is necessary to
* make the bias setting take effect.
*/
if (spec->recording)
val = olpc_xo_dc_bias.items[spec->dc_input_bias].index;
else
val = 0;
update_mic_pin(codec, 0x1a, val);
update_mic_pin(codec, 0x1b, 0);
/* enable DC bias path and pin */
update_mic_pin(codec, 0x1e, spec->recording ? PIN_IN : 0);
snd_hda_activate_path(codec, spec->dc_mode_path, true, false);
}
}
static int ad1988_auto_init(struct hda_codec *codec)
{
struct ad198x_spec *spec = codec->spec;
int i, err;
err = snd_hda_gen_init(codec);
if (err < 0)
return err;
if (!spec->gen.autocfg.dig_outs)
return 0;
for (i = 0; i < 4; i++) {
struct nid_path *path;
path = snd_hda_get_path_from_idx(codec, spec->smux_paths[i]);
if (path)
snd_hda_activate_path(codec, path, path->active, false);
}
return 0;
}