diff options
| -rw-r--r-- | sound/soc/soc-dapm.c | 133 |
1 files changed, 44 insertions, 89 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index c07c7fb7593..3651a37bb2c 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -495,93 +495,6 @@ out: return ret; } -/* set up initial codec paths */ -static void dapm_set_path_status(struct snd_soc_dapm_widget *w, - struct snd_soc_dapm_path *p, int i) -{ - switch (w->id) { - case snd_soc_dapm_switch: - case snd_soc_dapm_mixer: - case snd_soc_dapm_mixer_named_ctl: { - unsigned int val; - struct soc_mixer_control *mc = (struct soc_mixer_control *) - w->kcontrol_news[i].private_value; - int reg = mc->reg; - unsigned int shift = mc->shift; - int max = mc->max; - unsigned int mask = (1 << fls(max)) - 1; - unsigned int invert = mc->invert; - - if (reg != SND_SOC_NOPM) { - soc_widget_read(w, reg, &val); - val = (val >> shift) & mask; - if (invert) - val = max - val; - p->connect = !!val; - } else { - p->connect = 0; - } - - } - break; - case snd_soc_dapm_mux: { - struct soc_enum *e = (struct soc_enum *) - w->kcontrol_news[i].private_value; - unsigned int val, item; - - if (e->reg != SND_SOC_NOPM) { - soc_widget_read(w, e->reg, &val); - val = (val >> e->shift_l) & e->mask; - item = snd_soc_enum_val_to_item(e, val); - } else { - /* since a virtual mux has no backing registers to - * decide which path to connect, it will try to match - * with the first enumeration. This is to ensure - * that the default mux choice (the first) will be - * correctly powered up during initialization. - */ - item = 0; - } - - if (item < e->items && !strcmp(p->name, e->texts[item])) - p->connect = 1; - else - p->connect = 0; - } - break; - /* does not affect routing - always connected */ - case snd_soc_dapm_pga: - case snd_soc_dapm_out_drv: - case snd_soc_dapm_output: - case snd_soc_dapm_adc: - case snd_soc_dapm_input: - case snd_soc_dapm_siggen: - case snd_soc_dapm_dac: - case snd_soc_dapm_micbias: - case snd_soc_dapm_vmid: - case snd_soc_dapm_supply: - case snd_soc_dapm_regulator_supply: - case snd_soc_dapm_clock_supply: - case snd_soc_dapm_aif_in: - case snd_soc_dapm_aif_out: - case snd_soc_dapm_dai_in: - case snd_soc_dapm_dai_out: - case snd_soc_dapm_hp: - case snd_soc_dapm_mic: - case snd_soc_dapm_spk: - case snd_soc_dapm_line: - case snd_soc_dapm_dai_link: - case snd_soc_dapm_kcontrol: - p->connect = 1; - break; - /* does affect routing - dynamically connected */ - case snd_soc_dapm_pre: - case snd_soc_dapm_post: - p->connect = 0; - break; - } -} - /* connect mux widget to its interconnecting audio paths */ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm, struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest, @@ -589,15 +502,33 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm, const struct snd_kcontrol_new *kcontrol) { struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int val, item; int i; + if (e->reg != SND_SOC_NOPM) { + soc_widget_read(dest, e->reg, &val); + val = (val >> e->shift_l) & e->mask; + item = snd_soc_enum_val_to_item(e, val); + } else { + /* since a virtual mux has no backing registers to + * decide which path to connect, it will try to match + * with the first enumeration. This is to ensure + * that the default mux choice (the first) will be + * correctly powered up during initialization. + */ + item = 0; + } + for (i = 0; i < e->items; i++) { if (!(strcmp(control_name, e->texts[i]))) { list_add(&path->list, &dapm->card->paths); list_add(&path->list_sink, &dest->sources); list_add(&path->list_source, &src->sinks); path->name = (char*)e->texts[i]; - dapm_set_path_status(dest, path, 0); + if (i == item) + path->connect = 1; + else + path->connect = 0; return 0; } } @@ -605,6 +536,30 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm, return -ENODEV; } +/* set up initial codec paths */ +static void dapm_set_mixer_path_status(struct snd_soc_dapm_widget *w, + struct snd_soc_dapm_path *p, int i) +{ + struct soc_mixer_control *mc = (struct soc_mixer_control *) + w->kcontrol_news[i].private_value; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; + unsigned int val; + + if (reg != SND_SOC_NOPM) { + soc_widget_read(w, reg, &val); + val = (val >> shift) & mask; + if (invert) + val = max - val; + p->connect = !!val; + } else { + p->connect = 0; + } +} + /* connect mixer widget to its interconnecting audio paths */ static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm, struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest, @@ -619,7 +574,7 @@ static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm, list_add(&path->list_sink, &dest->sources); list_add(&path->list_source, &src->sinks); path->name = dest->kcontrol_news[i].name; - dapm_set_path_status(dest, path, i); + dapm_set_mixer_path_status(dest, path, i); return 0; } } |