static void cxt_update_headset_mode(struct hda_codec *codec)
{
/* The verbs used in this function were tested on a Conexant CX20751/2 codec. */
int i;
bool mic_mode = false;
struct conexant_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->gen.autocfg;
hda_nid_t mux_pin = spec->gen.imux_pins[spec->gen.cur_mux[0]];
for (i = 0; i < cfg->num_inputs; i++)
if (cfg->inputs[i].pin == mux_pin) {
mic_mode = !!cfg->inputs[i].is_headphone_mic;
break;
}
if (mic_mode) {
snd_hda_codec_write_cache(codec, 0x1c, 0, 0x410, 0x7c); /* enable merged mode for analog int-mic */
spec->gen.hp_jack_present = false;
} else {
snd_hda_codec_write_cache(codec, 0x1c, 0, 0x410, 0x54); /* disable merged mode for analog int-mic */
spec->gen.hp_jack_present = snd_hda_jack_detect(codec, spec->gen.autocfg.hp_pins[0]);
}
snd_hda_gen_update_outputs(codec);
}
/**
* snd_hda_jack_detect_enable - enable the jack-detection
*
* In the case of error, the return value will be a pointer embedded with
* errno. Check and handle the return value appropriately with standard
* macros such as @IS_ERR() and @PTR_ERR().
*/
struct hda_jack_callback *
snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
hda_jack_callback_fn func)
{
struct hda_jack_tbl *jack;
struct hda_jack_callback *callback = NULL;
int err;
jack = snd_hda_jack_tbl_new(codec, nid);
if (!jack)
return ERR_PTR(-ENOMEM);
if (func) {
callback = kzalloc(sizeof(*callback), GFP_KERNEL);
if (!callback)
return ERR_PTR(-ENOMEM);
callback->func = func;
callback->tbl = jack;
callback->next = jack->callback;
jack->callback = callback;
}
if (jack->jack_detect)
return callback; /* already registered */
jack->jack_detect = 1;
if (codec->jackpoll_interval > 0)
return callback; /* No unsol if we're polling instead */
err = snd_hda_codec_write_cache(codec, nid, 0,
AC_VERB_SET_UNSOLICITED_ENABLE,
AC_USRSP_EN | jack->tag);
if (err < 0)
return ERR_PTR(err);
return callback;
}
static void cs_automic(struct hda_codec *codec)
{
struct cs_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->autocfg;
hda_nid_t nid;
unsigned int present;
nid = cfg->inputs[spec->automic_idx].pin;
present = snd_hda_jack_detect(codec, nid);
/* specific to CS421x, single ADC */
if (spec->vendor_nid == CS421X_VENDOR_NID) {
if (present) {
spec->last_input = spec->cur_input;
spec->cur_input = spec->automic_idx;
} else {
spec->cur_input = spec->last_input;
}
snd_hda_codec_write_cache(codec, spec->cur_adc, 0,
AC_VERB_SET_CONNECT_SEL,
spec->adc_idx[spec->cur_input]);
} else {
if (present)
change_cur_input(codec, spec->automic_idx, 0);
else
change_cur_input(codec, !spec->automic_idx, 0);
}
}
/**
* snd_hda_attach_beep_device - Attach a beep input device
* @codec: the HDA codec
* @nid: beep NID
*
* Attach a beep object to the given widget. If beep hint is turned off
* explicitly or beep_mode of the codec is turned off, this doesn't nothing.
*
* The attached beep device has to be registered via
* snd_hda_register_beep_device() and released via snd_hda_detach_beep_device()
* appropriately.
*
* Currently, only one beep device is allowed to each codec.
*/
int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
{
struct hda_beep *beep;
int err;
if (!snd_hda_get_bool_hint(codec, "beep"))
return 0; /* disabled explicitly by hints */
if (codec->beep_mode == HDA_BEEP_MODE_OFF)
return 0; /* disabled by module option */
beep = kzalloc(sizeof(*beep), GFP_KERNEL);
if (beep == NULL)
return -ENOMEM;
snprintf(beep->phys, sizeof(beep->phys),
"card%d/codec#%d/beep0", codec->card->number, codec->addr);
/* enable linear scale */
snd_hda_codec_write_cache(codec, nid, 0,
AC_VERB_SET_DIGI_CONVERT_2, 0x01);
beep->nid = nid;
beep->codec = codec;
codec->beep = beep;
INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);
mutex_init(&beep->mutex);
err = snd_hda_do_attach(beep);
if (err < 0) {
kfree(beep);
codec->beep = NULL;
return err;
}
return 0;
}
/* follow EAPD via vmaster hook */
static void ad_vmaster_eapd_hook(void *private_data, int enabled)
{
struct hda_codec *codec = private_data;
struct ad198x_spec *spec = codec->spec;
if (!spec->eapd_nid)
return;
if (codec->inv_eapd)
enabled = !enabled;
snd_hda_codec_write_cache(codec, spec->eapd_nid, 0,
AC_VERB_SET_EAPD_BTLENABLE,
enabled ? 0x02 : 0x00);
}
/**
* 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)
{
struct hda_jack_tbl *jack = snd_hda_jack_tbl_new(codec, nid);
if (!jack)
return -ENOMEM;
if (jack->jack_detect)
return 0; /* already registered */
jack->jack_detect = 1;
if (action)
jack->action = action;
return snd_hda_codec_write_cache(codec, nid, 0,
AC_VERB_SET_UNSOLICITED_ENABLE,
AC_USRSP_EN | jack->tag);
}
static int ad1983_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];
hda_nid_t dig_out = spec->gen.multiout.dig_out_nid;
int num_conns = snd_hda_get_num_conns(codec, dig_out);
if (val >= num_conns)
return -EINVAL;
if (spec->cur_smux == val)
return 0;
spec->cur_smux = val;
snd_hda_codec_write_cache(codec, dig_out, 0,
AC_VERB_SET_CONNECT_SEL, val);
return 1;
}
static int ad198x_eapd_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;
hda_nid_t nid = kcontrol->private_value & 0xff;
unsigned int eapd;
eapd = !!ucontrol->value.integer.value[0];
if (codec->inv_eapd)
eapd = !eapd;
if (eapd == spec->cur_eapd)
return 0;
spec->cur_eapd = eapd;
snd_hda_codec_write_cache(codec, nid,
0, AC_VERB_SET_EAPD_BTLENABLE,
eapd ? 0x02 : 0x00);
return 1;
}
/**
* snd_hda_jack_detect_enable - enable the jack-detection
*/
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)
return -ENOMEM;
if (jack->jack_detect)
return 0; /* already registered */
jack->jack_detect = 1;
if (action)
jack->action = action;
if (cb)
jack->callback = cb;
if (codec->jackpoll_interval > 0)
return 0; /* No unsol if we're polling instead */
return snd_hda_codec_write_cache(codec, nid, 0,
AC_VERB_SET_UNSOLICITED_ENABLE,
AC_USRSP_EN | jack->tag);
}
/**
* snd_hda_attach_beep_device - Attach a beep input device
* @codec: the HDA codec
* @nid: beep NID
*
* Attach a beep object to the given widget. If beep hint is turned off
* explicitly or beep_mode of the codec is turned off, this doesn't nothing.
*
* Currently, only one beep device is allowed to each codec.
*/
int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
{
static struct snd_device_ops ops = {
.dev_register = beep_dev_register,
.dev_disconnect = beep_dev_disconnect,
.dev_free = beep_dev_free,
};
struct input_dev *input_dev;
struct hda_beep *beep;
int err;
if (!snd_hda_get_bool_hint(codec, "beep"))
return 0; /* disabled explicitly by hints */
if (codec->beep_mode == HDA_BEEP_MODE_OFF)
return 0; /* disabled by module option */
beep = kzalloc(sizeof(*beep), GFP_KERNEL);
if (beep == NULL)
return -ENOMEM;
snprintf(beep->phys, sizeof(beep->phys),
"card%d/codec#%d/beep0", codec->card->number, codec->addr);
/* enable linear scale */
snd_hda_codec_write_cache(codec, nid, 0,
AC_VERB_SET_DIGI_CONVERT_2, 0x01);
beep->nid = nid;
beep->codec = codec;
codec->beep = beep;
INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);
mutex_init(&beep->mutex);
input_dev = input_allocate_device();
if (!input_dev) {
err = -ENOMEM;
goto err_free;
}
/* setup digital beep device */
input_dev->name = "HDA Digital PCBeep";
input_dev->phys = beep->phys;
input_dev->id.bustype = BUS_PCI;
input_dev->dev.parent = &codec->card->card_dev;
input_dev->id.vendor = codec->core.vendor_id >> 16;
input_dev->id.product = codec->core.vendor_id & 0xffff;
input_dev->id.version = 0x01;
input_dev->evbit[0] = BIT_MASK(EV_SND);
input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
input_dev->event = snd_hda_beep_event;
input_set_drvdata(input_dev, beep);
beep->dev = input_dev;
err = snd_device_new(codec->card, SNDRV_DEV_JACK, beep, &ops);
if (err < 0)
goto err_input;
return 0;
err_input:
input_free_device(beep->dev);
err_free:
kfree(beep);
codec->beep = NULL;
return err;
}