diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-26 21:29:29 +0100 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-27 18:42:11 +0100 |
commit | c340304dd8855a61a2e1bcdd5bde6b90408481a9 (patch) | |
tree | 720076a2eb7c4f6464851ddfa58b6aa66acbe6c5 /sound/soc/codecs/wm_hubs.c | |
parent | af31a227e1abee06ccd88c2c52f4fb36b786cebe (diff) | |
download | linux-3.10-c340304dd8855a61a2e1bcdd5bde6b90408481a9.tar.gz linux-3.10-c340304dd8855a61a2e1bcdd5bde6b90408481a9.tar.bz2 linux-3.10-c340304dd8855a61a2e1bcdd5bde6b90408481a9.zip |
ASoC: wm_hubs: Factor out class W management
Since the analogue portions of the checks for class W are the same over
all the devices factor out these checks into wm_hubs and while we're at
it also use wm_hubs_dac_hp_direct() to enable class W optimisations on
more paths.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm_hubs.c')
-rw-r--r-- | sound/soc/codecs/wm_hubs.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 15aed8b7d98..9106334216c 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -566,6 +566,65 @@ static int lineout_event(struct snd_soc_dapm_widget *w, return 0; } +void wm_hubs_update_class_w(struct snd_soc_codec *codec) +{ + struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec); + int enable = WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ; + + if (!wm_hubs_dac_hp_direct(codec)) + enable = false; + + if (hubs->check_class_w_digital && !hubs->check_class_w_digital(codec)) + enable = false; + + dev_vdbg(codec->dev, "Class W %s\n", enable ? "enabled" : "disabled"); + + snd_soc_update_bits(codec, WM8993_CLASS_W_0, + WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ, enable); +} +EXPORT_SYMBOL_GPL(wm_hubs_update_class_w); + +#define WM_HUBS_ENUM_W(xname, xenum) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_enum_double, \ + .get = snd_soc_dapm_get_enum_double, \ + .put = class_w_put, \ + .private_value = (unsigned long)&xenum } + +static int class_w_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol); + struct snd_soc_dapm_widget *widget = wlist->widgets[0]; + struct snd_soc_codec *codec = widget->codec; + int ret; + + ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); + + wm_hubs_update_class_w(codec); + + return ret; +} + +static const char *hp_mux_text[] = { + "Mixer", + "DAC", +}; + +static const struct soc_enum hpl_enum = + SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER1, 8, 2, hp_mux_text); + +const struct snd_kcontrol_new wm_hubs_hpl_mux = + WM_HUBS_ENUM_W("Left Headphone Mux", hpl_enum); +EXPORT_SYMBOL_GPL(wm_hubs_hpl_mux); + +static const struct soc_enum hpr_enum = + SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER2, 8, 2, hp_mux_text); + +const struct snd_kcontrol_new wm_hubs_hpr_mux = + WM_HUBS_ENUM_W("Right Headphone Mux", hpr_enum); +EXPORT_SYMBOL_GPL(wm_hubs_hpr_mux); + static const struct snd_kcontrol_new in1l_pga[] = { SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0), SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0), |