diff options
| author | James Courtier-Dutton <James@superbug.co.uk> | 2005-05-27 23:28:27 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-06-22 12:27:09 +0200 |
| commit | ed144f3cdcf8f9b9280e04ca1a831c85a8fbb488 (patch) | |
| tree | b0c988b01ff94555cb393a30d04f85daefda8be2 /sound/pci/ca0106/ca0106_mixer.c | |
| parent | 7199acdc74dc16d2e75f83b8c65301ad19c40ef3 (diff) | |
[ALSA] Add Mic capture support.
CA0106 driver
Notes: This adds a new mixer item to switch between Mic and Line-in.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Diffstat (limited to 'sound/pci/ca0106/ca0106_mixer.c')
| -rw-r--r-- | sound/pci/ca0106/ca0106_mixer.c | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c index 48e248608244..0e5e9ce0ff28 100644 --- a/sound/pci/ca0106/ca0106_mixer.c +++ b/sound/pci/ca0106/ca0106_mixer.c @@ -1,7 +1,7 @@ /* * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk> * Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit - * Version: 0.0.16 + * Version: 0.0.17 * * FEATURES currently supported: * See ca0106_main.c for features. @@ -37,6 +37,8 @@ * Separated ca0106.c into separate functional .c files. * 0.0.16 * Modified Copyright message. + * 0.0.17 + * Implement Mic and Line in Capture. * * This code was initally based on code from ALSA's emu10k1x.c which is: * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> @@ -183,6 +185,65 @@ static snd_kcontrol_new_t snd_ca0106_capture_source __devinitdata = .put = snd_ca0106_capture_source_put }; +static int snd_ca0106_capture_mic_line_in_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + static char *texts[2] = { "Line in", "Mic in" }; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 2; + if (uinfo->value.enumerated.item > 1) + uinfo->value.enumerated.item = 1; + strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); + return 0; +} + +static int snd_ca0106_capture_mic_line_in_get(snd_kcontrol_t * kcontrol, + snd_ctl_elem_value_t * ucontrol) +{ + ca0106_t *emu = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = emu->capture_mic_line_in; + return 0; +} + +static int snd_ca0106_capture_mic_line_in_put(snd_kcontrol_t * kcontrol, + snd_ctl_elem_value_t * ucontrol) +{ + ca0106_t *emu = snd_kcontrol_chip(kcontrol); + unsigned int val; + int change = 0; + u32 tmp; + + val = ucontrol->value.enumerated.item[0] ; + change = (emu->capture_mic_line_in != val); + if (change) { + emu->capture_mic_line_in = val; + if (val) { + snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_PHONE); /* Mute input */ + tmp = inl(emu->port+GPIO) & ~0x400; + tmp = tmp | 0x400; + outl(tmp, emu->port+GPIO); + snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC); + } else { + snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_PHONE); /* Mute input */ + tmp = inl(emu->port+GPIO) & ~0x400; + outl(tmp, emu->port+GPIO); + snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN); + } + } + return change; +} + +static snd_kcontrol_new_t snd_ca0106_capture_mic_line_in __devinitdata = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Mic/Line in Capture", + .info = snd_ca0106_capture_mic_line_in_info, + .get = snd_ca0106_capture_mic_line_in_get, + .put = snd_ca0106_capture_mic_line_in_put +}; + static int snd_ca0106_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; @@ -620,6 +681,12 @@ int __devinit snd_ca0106_mixer(ca0106_t *emu) return -ENOMEM; if ((err = snd_ctl_add(card, kctl))) return err; + if (emu->details->i2c_adc == 1) { + if ((kctl = snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu)) == NULL) + return -ENOMEM; + if ((err = snd_ctl_add(card, kctl))) + return err; + } if ((kctl = snd_ctl_new1(&snd_ca0106_spdif_control, emu)) == NULL) return -ENOMEM; if ((err = snd_ctl_add(card, kctl))) |