Allow a slight simplification of CODEC drivers by allowing DAPM routes and widgets to be provided in a table. They will be instantiated at the end of CODEC probe.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- include/sound/soc.h | 6 ++++++ sound/soc/soc-core.c | 12 ++++++++++-- 2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h index a23f5a5..363e3a8 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -563,6 +563,12 @@ struct snd_soc_codec_driver { pm_message_t state); int (*resume)(struct snd_soc_codec *);
+ /* Default DAPM setup, added after probe() is run */ + const struct snd_soc_dapm_widget *dapm_widgets; + int num_dapm_widgets; + const struct snd_soc_dapm_route *dapm_routes; + int num_dapm_routes; + /* codec IO */ unsigned int (*read)(struct snd_soc_codec *, unsigned int); int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 8926d38..286a385 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1464,6 +1464,7 @@ static int soc_probe_codec(struct snd_soc_card *card, struct snd_soc_codec *codec) { int ret = 0; + const struct snd_soc_codec_driver *driver = codec->driver;
codec->card = card; codec->dapm.card = card; @@ -1472,8 +1473,8 @@ static int soc_probe_codec(struct snd_soc_card *card, if (!try_module_get(codec->dev->driver->owner)) return -ENODEV;
- if (codec->driver->probe) { - ret = codec->driver->probe(codec); + if (driver->probe) { + ret = driver->probe(codec); if (ret < 0) { dev_err(codec->dev, "asoc: failed to probe CODEC %s: %d\n", @@ -1482,6 +1483,13 @@ static int soc_probe_codec(struct snd_soc_card *card, } }
+ if (driver->dapm_widgets) + snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, + driver->num_dapm_widgets); + if (driver->dapm_routes) + snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, + driver->num_dapm_routes); + soc_init_codec_debugfs(codec);
/* mark codec as probed and add to card codec list */