[alsa-devel] [PATCH v2 2/3] ASoC: es7134: correct required power supplies

[Jerome Brunet]

Drop AVDD in favor of PVDD to match the names used in the datasheet
and only claim PVDD on the es7154. The es7134 and es7144 don't have
a separate supply for the digital I/O.

Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
---
 sound/soc/codecs/es7134.c | 44 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 41 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/es7134.c b/sound/soc/codecs/es7134.c
index 5ad59c38fed1..80f2936cefed 100644
--- a/sound/soc/codecs/es7134.c
+++ b/sound/soc/codecs/es7134.c
@@ -35,6 +35,10 @@ struct es7134_clock_mode {
 struct es7134_chip {
 	const struct es7134_clock_mode *modes;
 	unsigned int mode_num;
+	const struct snd_soc_dapm_widget *extra_widgets;
+	unsigned int extra_widget_num;
+	const struct snd_soc_dapm_route *extra_routes;
+	unsigned int extra_route_num;
 };
 
 struct es7134_data {
@@ -110,6 +114,34 @@ static int es7134_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 	return 0;
 }
 
+static int es7134_component_probe(struct snd_soc_component *c)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(c);
+	struct es7134_data *priv = snd_soc_component_get_drvdata(c);
+	const struct es7134_chip *chip = priv->chip;
+	int ret;
+
+	if (chip->extra_widget_num) {
+		ret = snd_soc_dapm_new_controls(dapm, chip->extra_widgets,
+						chip->extra_widget_num);
+		if (ret) {
+			dev_err(c->dev, "failed to add extra widgets\n");
+			return ret;
+		}
+	}
+
+	if (chip->extra_route_num) {
+		ret = snd_soc_dapm_add_routes(dapm, chip->extra_routes,
+					      chip->extra_route_num);
+		if (ret) {
+			dev_err(c->dev, "failed to add extra routes\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
 static const struct snd_soc_dai_ops es7134_dai_ops = {
 	.set_fmt	= es7134_set_fmt,
 	.hw_params	= es7134_hw_params,
@@ -158,9 +190,16 @@ static const struct es7134_clock_mode es7134_modes[] = {
 	},
 };
 
+/* Digital I/O are also supplied by VDD on the es7134 */
+static const struct snd_soc_dapm_route es7134_extra_routes[] = {
+	{ "Playback", NULL, "VDD", }
+};
+
 static const struct es7134_chip es7134_chip = {
 	.modes = es7134_modes,
 	.mode_num = ARRAY_SIZE(es7134_modes),
+	.extra_routes = es7134_extra_routes,
+	.extra_route_num = ARRAY_SIZE(es7134_extra_routes),
 };
 
 static const struct snd_soc_dapm_widget es7134_dapm_widgets[] = {
@@ -168,17 +207,16 @@ static const struct snd_soc_dapm_widget es7134_dapm_widgets[] = {
 	SND_SOC_DAPM_OUTPUT("AOUTR"),
 	SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_REGULATOR_SUPPLY("VDD", 0, 0),
-	SND_SOC_DAPM_REGULATOR_SUPPLY("AVDD", 0, 0),
 };
 
 static const struct snd_soc_dapm_route es7134_dapm_routes[] = {
 	{ "AOUTL", NULL, "DAC" },
 	{ "AOUTR", NULL, "DAC" },
-	{ "Playback", NULL, "VDD" },
-	{ "DAC", NULL, "AVDD" },
+	{ "DAC", NULL, "VDD" },
 };
 
 static const struct snd_soc_component_driver es7134_component_driver = {
+	.probe			= es7134_component_probe,
 	.dapm_widgets		= es7134_dapm_widgets,
 	.num_dapm_widgets	= ARRAY_SIZE(es7134_dapm_widgets),
 	.dapm_routes		= es7134_dapm_routes,
-- 
2.14.4