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ASoC: omap: rx51: Add earphone support 

Earphone in Nokia RX-51/N900 is connected to left HP output of B part of the
TLV320AIC34 dual codec. In RX-51 the codec A is used as a traditional codec
and the codec B as an auxiliary device.

Audio from codec A goes via the codec B to earphone:
MONO_LOUT of A -> LINE2R of B (B interconnects) -> HPLOUT of B -> Earphone.

Take earphone into use by utilizing the recent ASoC auxiliary and
cross-device support.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Jarkko Nikula 2011-01-31 14:43:48 +02:00 committed by Liam Girdwood
parent 48529b3b7c
commit 8cda975174
1 changed files with 50 additions and 0 deletions
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50
sound/soc/omap/rx51.c
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@ -242,6 +242,10 @@ static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
};
static const struct snd_soc_dapm_widget aic34_dapm_widgetsb[] = {
SND_SOC_DAPM_SPK("Earphone", NULL),
};
static const struct snd_soc_dapm_route audio_map[] = {
{"Ext Spk", NULL, "HPLOUT"},
{"Ext Spk", NULL, "HPROUT"},
@ -252,6 +256,11 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"Mic Bias 2V", NULL, "DMic"},
};
static const struct snd_soc_dapm_route audio_mapb[] = {
{"b LINE2R", NULL, "MONO_LOUT"},
{"Earphone", NULL, "b HPLOUT"},
};
static const char *spk_function[] = {"Off", "On"};
static const char *input_function[] = {"ADC", "Digital Mic"};
static const char *jack_function[] = {"Off", "TV-OUT", "Headphone"};
@ -271,6 +280,10 @@ static const struct snd_kcontrol_new aic34_rx51_controls[] = {
rx51_get_jack, rx51_set_jack),
};
static const struct snd_kcontrol_new aic34_rx51_controlsb[] = {
SOC_DAPM_PIN_SWITCH("Earphone"),
};
static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
@ -314,6 +327,24 @@ static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
return err;
}
static int rx51_aic34b_init(struct snd_soc_dapm_context *dapm)
{
int err;
err = snd_soc_add_controls(dapm->codec, aic34_rx51_controlsb,
ARRAY_SIZE(aic34_rx51_controlsb));
if (err < 0)
return err;
err = snd_soc_dapm_new_controls(dapm, aic34_dapm_widgetsb,
ARRAY_SIZE(aic34_dapm_widgetsb));
if (err < 0)
return 0;
return snd_soc_dapm_add_routes(dapm, audio_mapb,
ARRAY_SIZE(audio_mapb));
}
/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link rx51_dai[] = {
{
@ -328,11 +359,30 @@ static struct snd_soc_dai_link rx51_dai[] = {
},
};
struct snd_soc_aux_dev rx51_aux_dev[] = {
{
.name = "TLV320AIC34b",
.codec_name = "tlv320aic3x-codec.2-0019",
.init = rx51_aic34b_init,
},
};
static struct snd_soc_codec_conf rx51_codec_conf[] = {
{
.dev_name = "tlv320aic3x-codec.2-0019",
.name_prefix = "b",
},
};
/* Audio card */
static struct snd_soc_card rx51_sound_card = {
.name = "RX-51",
.dai_link = rx51_dai,
.num_links = ARRAY_SIZE(rx51_dai),
.aux_dev = rx51_aux_dev,
.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
.codec_conf = rx51_codec_conf,
.num_configs = ARRAY_SIZE(rx51_codec_conf),
};
static struct platform_device *rx51_snd_device;