diff options
Diffstat (limited to 'sound/i2c')
| -rw-r--r-- | sound/i2c/other/ak4xxx-adda.c | 85 |
1 files changed, 83 insertions, 2 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c index 5da49e2eb35..fe61b92f4e4 100644 --- a/sound/i2c/other/ak4xxx-adda.c +++ b/sound/i2c/other/ak4xxx-adda.c @@ -513,6 +513,66 @@ static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol, return change; } +#define AK5365_NUM_INPUTS 5 + +static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int mixer_ch = AK_GET_SHIFT(kcontrol->private_value); + const char **input_names; + int num_names, idx; + + input_names = ak->adc_info[mixer_ch].input_names; + + num_names = 0; + while (num_names < AK5365_NUM_INPUTS && input_names[num_names]) + ++num_names; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = num_names; + idx = uinfo->value.enumerated.item; + if (idx >= num_names) + return -EINVAL; + strncpy(uinfo->value.enumerated.name, input_names[idx], + sizeof(uinfo->value.enumerated.name)); + return 0; +} + +static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int mask = AK_GET_MASK(kcontrol->private_value); + unsigned char val; + + val = snd_akm4xxx_get(ak, chip, addr) & mask; + ucontrol->value.enumerated.item[0] = val; + return 0; +} + +static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int mask = AK_GET_MASK(kcontrol->private_value); + unsigned char oval, val; + + oval = snd_akm4xxx_get(ak, chip, addr); + val = oval & ~mask; + val |= ucontrol->value.enumerated.item[0] & mask; + if (val != oval) { + snd_akm4xxx_write(ak, chip, addr, val); + return 1; + } + return 0; +} + /* * build AK4xxx controls */ @@ -647,9 +707,10 @@ static int build_adc_controls(struct snd_akm4xxx *ak) if (ak->type == SND_AK5365 && (idx % 2) == 0) { if (! ak->adc_info || - ! ak->adc_info[mixer_ch].switch_name) + ! ak->adc_info[mixer_ch].switch_name) { knew.name = "Capture Switch"; - else + knew.index = mixer_ch + ak->idx_offset * 2; + } else knew.name = ak->adc_info[mixer_ch].switch_name; knew.info = ak4xxx_switch_info; knew.get = ak4xxx_switch_get; @@ -662,6 +723,26 @@ static int build_adc_controls(struct snd_akm4xxx *ak) err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); if (err < 0) return err; + + memset(&knew, 0, sizeof(knew)); + knew.name = ak->adc_info[mixer_ch].selector_name; + if (!knew.name) { + knew.name = "Capture Channel"; + knew.index = mixer_ch + ak->idx_offset * 2; + } + + knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + knew.info = ak4xxx_capture_source_info; + knew.get = ak4xxx_capture_source_get; + knew.put = ak4xxx_capture_source_put; + knew.access = 0; + /* input selector control: reg. 1, bits 0-2. + * mis-use 'shift' to pass mixer_ch */ + knew.private_value + = AK_COMPOSE(idx/2, 1, mixer_ch, 0x07); + err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); + if (err < 0) + return err; } idx += num_stereo; |