diff options
Diffstat (limited to 'sound/soc/soc-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 75 |
1 files changed, 64 insertions, 11 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 67e63ab1f11e..2a44fe9122a2 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -371,12 +371,16 @@ static void dapm_reset(struct snd_soc_card *card) } } -static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg) +static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg, + unsigned int *value) { - if (w->codec) - return snd_soc_read(w->codec, reg); - else if (w->platform) - return snd_soc_platform_read(w->platform, reg); + if (w->codec) { + *value = snd_soc_read(w->codec, reg); + return 0; + } else if (w->platform) { + *value = snd_soc_platform_read(w->platform, reg); + return 0; + } dev_err(w->dapm->dev, "ASoC: no valid widget read method\n"); return -1; @@ -430,13 +434,12 @@ static int soc_widget_update_bits_locked(struct snd_soc_dapm_widget *w, return ret; } else { soc_widget_lock(w); - ret = soc_widget_read(w, reg); + ret = soc_widget_read(w, reg, &old); if (ret < 0) { soc_widget_unlock(w); return ret; } - old = ret; new = (old & ~mask) | (value & mask); change = old != new; if (change) { @@ -513,7 +516,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, unsigned int invert = mc->invert; if (reg != SND_SOC_NOPM) { - val = soc_widget_read(w, reg); + soc_widget_read(w, reg, &val); val = (val >> shift) & mask; if (invert) val = max - val; @@ -529,7 +532,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, w->kcontrol_news[i].private_value; int val, item; - val = soc_widget_read(w, e->reg); + soc_widget_read(w, e->reg, &val); item = (val >> e->shift_l) & e->mask; if (item < e->max && !strcmp(p->name, e->texts[item])) @@ -558,7 +561,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, w->kcontrol_news[i].private_value; int val, item; - val = soc_widget_read(w, e->reg); + soc_widget_read(w, e->reg, &val); val = (val >> e->shift_l) & e->mask; for (item = 0; item < e->max; item++) { if (val == e->values[item]) @@ -2782,7 +2785,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card) /* Read the initial power state from the device */ if (w->reg >= 0) { - val = soc_widget_read(w, w->reg) >> w->shift; + soc_widget_read(w, w->reg, &val); + val = val >> w->shift; val &= w->mask; if (val == w->on_val) w->power = 1; @@ -3634,6 +3638,55 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) return 0; } +void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd = card->rtd; + struct snd_soc_dai *cpu_dai, *codec_dai; + struct snd_soc_dapm_route r; + int i; + + memset(&r, 0, sizeof(r)); + + /* for each BE DAI link... */ + for (i = 0; i < card->num_rtd; i++) { + rtd = &card->rtd[i]; + cpu_dai = rtd->cpu_dai; + codec_dai = rtd->codec_dai; + + /* dynamic FE links have no fixed DAI mapping */ + if (rtd->dai_link->dynamic) + continue; + + /* there is no point in connecting BE DAI links with dummies */ + if (snd_soc_dai_is_dummy(codec_dai) || + snd_soc_dai_is_dummy(cpu_dai)) + continue; + + /* connect BE DAI playback if widgets are valid */ + if (codec_dai->playback_widget && cpu_dai->playback_widget) { + r.source = cpu_dai->playback_widget->name; + r.sink = codec_dai->playback_widget->name; + dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", + cpu_dai->codec->name, r.source, + codec_dai->platform->name, r.sink); + + snd_soc_dapm_add_route(&card->dapm, &r); + } + + /* connect BE DAI capture if widgets are valid */ + if (codec_dai->capture_widget && cpu_dai->capture_widget) { + r.source = codec_dai->capture_widget->name; + r.sink = cpu_dai->capture_widget->name; + dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", + codec_dai->codec->name, r.source, + cpu_dai->platform->name, r.sink); + + snd_soc_dapm_add_route(&card->dapm, &r); + } + + } +} + static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, int event) { |