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-rw-r--r--include/sound/soc-dpcm.h1
-rw-r--r--sound/soc/soc-dapm.c8
-rw-r--r--sound/soc/soc-pcm.c221
3 files changed, 228 insertions, 2 deletions
diff --git a/include/sound/soc-dpcm.h b/include/sound/soc-dpcm.h
index e307fa30231..d1a4b50018d 100644
--- a/include/sound/soc-dpcm.h
+++ b/include/sound/soc-dpcm.h
@@ -132,5 +132,6 @@ void snd_soc_dpcm_be_set_state(struct snd_soc_pcm_runtime *be, int stream,
/* internal use only */
int soc_dpcm_be_digital_mute(struct snd_soc_pcm_runtime *fe, int mute);
int soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd);
+int soc_dpcm_runtime_update(struct snd_soc_dapm_widget *);
#endif
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 214323f5395..02db2c09076 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1846,7 +1846,7 @@ static int soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
}
- return 0;
+ return found;
}
int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
@@ -1858,6 +1858,8 @@ int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
ret = soc_dapm_mux_update_power(widget, kcontrol, mux, e);
mutex_unlock(&card->dapm_mutex);
+ if (ret > 0)
+ soc_dpcm_runtime_update(widget);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power);
@@ -1890,7 +1892,7 @@ static int soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
}
- return 0;
+ return found;
}
int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
@@ -1902,6 +1904,8 @@ int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
ret = soc_dapm_mixer_update_power(widget, kcontrol, connect);
mutex_unlock(&card->dapm_mutex);
+ if (ret > 0)
+ soc_dpcm_runtime_update(widget);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index a1d4426a99d..ca36fd6746f 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1608,7 +1608,228 @@ out:
return ret;
}
+static int dpcm_run_update_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
+{
+ int err;
+
+ dev_dbg(fe->dev, "runtime %s close on FE %s\n",
+ stream ? "capture" : "playback", fe->dai_link->name);
+
+ err = dpcm_be_dai_trigger(fe, stream, SNDRV_PCM_TRIGGER_STOP);
+ if (err < 0)
+ dev_err(fe->dev,"dpcm: trigger FE failed %d\n", err);
+
+ err = dpcm_be_dai_hw_free(fe, stream);
+ if (err < 0)
+ dev_err(fe->dev,"dpcm: hw_free FE failed %d\n", err);
+
+ err = dpcm_be_dai_shutdown(fe, stream);
+ if (err < 0)
+ dev_err(fe->dev,"dpcm: shutdown FE failed %d\n", err);
+
+ /* run the stream event for each BE */
+ dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_NOP);
+
+ return 0;
+}
+
+static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream)
+{
+ struct snd_soc_dpcm *dpcm;
+ int ret;
+
+ dev_dbg(fe->dev, "runtime %s open on FE %s\n",
+ stream ? "capture" : "playback", fe->dai_link->name);
+
+ /* Only start the BE if the FE is ready */
+ if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_HW_FREE ||
+ fe->dpcm[stream].state == SND_SOC_DPCM_STATE_CLOSE)
+ return -EINVAL;
+
+ /* startup must always be called for new BEs */
+ ret = dpcm_be_dai_startup(fe, stream);
+ if (ret < 0) {
+ goto disconnect;
+ return ret;
+ }
+
+ /* keep going if FE state is > open */
+ if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_OPEN)
+ return 0;
+ ret = dpcm_be_dai_hw_params(fe, stream);
+ if (ret < 0) {
+ goto close;
+ return ret;
+ }
+
+ /* keep going if FE state is > hw_params */
+ if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_HW_PARAMS)
+ return 0;
+
+
+ ret = dpcm_be_dai_prepare(fe, stream);
+ if (ret < 0) {
+ goto hw_free;
+ return ret;
+ }
+
+ /* run the stream event for each BE */
+ dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_NOP);
+
+ /* keep going if FE state is > prepare */
+ if (fe->dpcm[stream].state == SND_SOC_DPCM_STATE_PREPARE ||
+ fe->dpcm[stream].state == SND_SOC_DPCM_STATE_STOP)
+ return 0;
+
+ dev_dbg(fe->dev, "dpcm: trigger FE %s cmd start\n",
+ fe->dai_link->name);
+
+ ret = dpcm_be_dai_trigger(fe, stream,
+ SNDRV_PCM_TRIGGER_START);
+ if (ret < 0) {
+ dev_err(fe->dev,"dpcm: trigger FE failed %d\n", ret);
+ goto hw_free;
+ }
+
+ return 0;
+
+hw_free:
+ dpcm_be_dai_hw_free(fe, stream);
+close:
+ dpcm_be_dai_shutdown(fe, stream);
+disconnect:
+ /* disconnect any non started BEs */
+ list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
+ struct snd_soc_pcm_runtime *be = dpcm->be;
+ if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
+ dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
+ }
+
+ return ret;
+}
+
+static int dpcm_run_new_update(struct snd_soc_pcm_runtime *fe, int stream)
+{
+ int ret;
+
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+ ret = dpcm_run_update_startup(fe, stream);
+ if (ret < 0)
+ dev_err(fe->dev, "failed to startup some BEs\n");
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+
+ return ret;
+}
+
+static int dpcm_run_old_update(struct snd_soc_pcm_runtime *fe, int stream)
+{
+ int ret;
+
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+ ret = dpcm_run_update_shutdown(fe, stream);
+ if (ret < 0)
+ dev_err(fe->dev, "failed to shutdown some BEs\n");
+ fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+
+ return ret;
+}
+
+/* Called by DAPM mixer/mux changes to update audio routing between PCMs and
+ * any DAI links.
+ */
+int soc_dpcm_runtime_update(struct snd_soc_dapm_widget *widget)
+{
+ struct snd_soc_card *card;
+ int i, old, new, paths;
+
+ if (widget->codec)
+ card = widget->codec->card;
+ else if (widget->platform)
+ card = widget->platform->card;
+ else
+ return -EINVAL;
+
+ mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dapm_widget_list *list;
+ struct snd_soc_pcm_runtime *fe = &card->rtd[i];
+
+ /* make sure link is FE */
+ if (!fe->dai_link->dynamic)
+ continue;
+
+ /* only check active links */
+ if (!fe->cpu_dai->active)
+ continue;
+
+ /* DAPM sync will call this to update DSP paths */
+ dev_dbg(fe->dev, "DPCM runtime update for FE %s\n",
+ fe->dai_link->name);
+
+ /* skip if FE doesn't have playback capability */
+ if (!fe->cpu_dai->driver->playback.channels_min)
+ goto capture;
+
+ paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_PLAYBACK, &list);
+ if (paths < 0) {
+ dev_warn(fe->dev, "%s no valid %s path\n",
+ fe->dai_link->name, "playback");
+ mutex_unlock(&card->mutex);
+ return paths;
+ }
+
+ /* update any new playback paths */
+ new = dpcm_process_paths(fe, SNDRV_PCM_STREAM_PLAYBACK, &list, 1);
+ if (new) {
+ dpcm_run_new_update(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ }
+
+ /* update any old playback paths */
+ old = dpcm_process_paths(fe, SNDRV_PCM_STREAM_PLAYBACK, &list, 0);
+ if (old) {
+ dpcm_run_old_update(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ }
+
+capture:
+ /* skip if FE doesn't have capture capability */
+ if (!fe->cpu_dai->driver->capture.channels_min)
+ continue;
+
+ paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_CAPTURE, &list);
+ if (paths < 0) {
+ dev_warn(fe->dev, "%s no valid %s path\n",
+ fe->dai_link->name, "capture");
+ mutex_unlock(&card->mutex);
+ return paths;
+ }
+
+ /* update any new capture paths */
+ new = dpcm_process_paths(fe, SNDRV_PCM_STREAM_CAPTURE, &list, 1);
+ if (new) {
+ dpcm_run_new_update(fe, SNDRV_PCM_STREAM_CAPTURE);
+ dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_CAPTURE);
+ dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_CAPTURE);
+ }
+
+ /* update any old capture paths */
+ old = dpcm_process_paths(fe, SNDRV_PCM_STREAM_CAPTURE, &list, 0);
+ if (old) {
+ dpcm_run_old_update(fe, SNDRV_PCM_STREAM_CAPTURE);
+ dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_CAPTURE);
+ dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_CAPTURE);
+ }
+
+ dpcm_path_put(&list);
+ }
+
+ mutex_unlock(&card->mutex);
+ return 0;
+}
int soc_dpcm_be_digital_mute(struct snd_soc_pcm_runtime *fe, int mute)
{
struct snd_soc_dpcm *dpcm;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 01:03:31 +0000