commit d0ff8ba57d9654e6f7a2e18f192bac3b93268fef
author Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Tue Jan 16 02:00:59 2018 +0000
committer Mark Brown <broonie@kernel.org> Tue Jan 16 13:26:42 2018 +0000
tree 5e9c86ef45eb10245f66f53ca31d67bd097ffaad
parent b9f902b7fd800214b5598a636ceb74bfe2db63be

ASoC: add Component level .read/.write

In current ALSA SoC, Codec only has .read/.write callback.
Codec will be merged into Component in next generation ALSA SoC,
thus current Codec specific feature need to be merged into it.
This is glue patch for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-io.c

diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 20340ad..2bc1c4c 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -34,6 +34,10 @@ int snd_soc_component_read(struct snd_soc_component *component,
 		ret = regmap_read(component->regmap, reg, val);
 	else if (component->read)
 		ret = component->read(component, reg, val);
+	else if (component->driver->read) {
+		*val = component->driver->read(component, reg);
+		ret = 0;
+	}
 	else
 		ret = -EIO;
 
@@ -70,6 +74,8 @@ int snd_soc_component_write(struct snd_soc_component *component,
 		return regmap_write(component->regmap, reg, val);
 	else if (component->write)
 		return component->write(component, reg, val);
+	else if (component->driver->write)
+		return component->driver->write(component, reg, val);
 	else
 		return -EIO;
 }