/* correct the 0dB offset of input pins */
static void cs4208_fix_amp_caps(struct hda_codec *codec, hda_nid_t adc)
{
unsigned int caps;
caps = query_amp_caps(codec, adc, HDA_INPUT);
caps &= ~(AC_AMPCAP_OFFSET);
caps |= 0x02;
snd_hda_override_amp_caps(codec, adc, HDA_INPUT, caps);
}
static void fix_volume_caps(struct hda_codec *codec, hda_nid_t dac)
{
unsigned int caps;
/* set the upper-limit for mixer amp to 0dB */
caps = query_amp_caps(codec, dac, HDA_OUTPUT);
caps &= ~(0x7f << AC_AMPCAP_NUM_STEPS_SHIFT);
caps |= ((caps >> AC_AMPCAP_OFFSET_SHIFT) & 0x7f)
<< AC_AMPCAP_NUM_STEPS_SHIFT;
snd_hda_override_amp_caps(codec, dac, HDA_OUTPUT, caps);
}
/* add "fake" mute amp-caps to DACs on cx5051 so that mixer mute switches
* can be created (bko#42825)
*/
static void add_cx5051_fake_mutes(struct hda_codec *codec)
{
static hda_nid_t out_nids[] = {
0x10, 0x11, 0
};
hda_nid_t *p;
for (p = out_nids; *p; p++)
snd_hda_override_amp_caps(codec, *p, HDA_OUTPUT,
AC_AMPCAP_MIN_MUTE |
query_amp_caps(codec, *p, HDA_OUTPUT));
}
/* add "fake" mute amp-caps to DACs on cx5051 so that mixer mute switches
* can be created (bko#42825)
*/
static void add_cx5051_fake_mutes(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;
static hda_nid_t out_nids[] = {
0x10, 0x11, 0
};
hda_nid_t *p;
for (p = out_nids; *p; p++)
snd_hda_override_amp_caps(codec, *p, HDA_OUTPUT,
AC_AMPCAP_MIN_MUTE |
query_amp_caps(codec, *p, HDA_OUTPUT));
spec->gen.dac_min_mute = true;
}
static int _add_volume(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
int chan, int dir)
{
char namestr[44];
int type = dir ? HDA_INPUT : HDA_OUTPUT;
struct snd_kcontrol_new knew =
HDA_CODEC_VOLUME_MONO(namestr, nid, chan, 0, type);
if ((query_amp_caps(codec, nid, type) & AC_AMPCAP_NUM_STEPS) == 0) {
snd_printdd("Skipping '%s %s Volume' (no amp on node 0x%x)\n", pfx, dirstr[dir], nid);
return 0;
}
sprintf(namestr, "%s %s Volume", pfx, dirstr[dir]);
return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}
/* add a (input-boost) volume control to the given input pin */
static int add_input_volume_control(struct hda_codec *codec,
struct auto_pin_cfg *cfg,
int item)
{
hda_nid_t pin = cfg->inputs[item].pin;
u32 caps;
const char *label;
struct snd_kcontrol *kctl;
if (!(get_wcaps(codec, pin) & AC_WCAP_IN_AMP))
return 0;
caps = query_amp_caps(codec, pin, HDA_INPUT);
caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
if (caps <= 1)
return 0;
label = hda_get_autocfg_input_label(codec, cfg, item);
return add_volume(codec, label, 0,
HDA_COMPOSE_AMP_VAL(pin, 3, 0, HDA_INPUT), 1, &kctl);
}
static bool ctl_has_mute(struct snd_kcontrol *kcontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
return query_amp_caps(codec, get_amp_nid(kcontrol),
get_amp_direction(kcontrol)) & AC_AMPCAP_MUTE;
}
