Unverified Commit f7d97cb5 authored by Maarten Zanders's avatar Maarten Zanders Committed by Mark Brown
Browse files

ASoC: simple-mux: add read function 



During initialisation DAPM tries to read the state of the MUX
being connected, resulting in this error log:
input-mux: ASoC: error at soc_component_read_no_lock on input-mux: -5

Provide a read function which allows DAPM to read the state of the
MUX.

Signed-off-by: default avatarMaarten Zanders <maarten.zanders@mind.be>
Link: https://lore.kernel.org/r/20221028191303.166115-1-maarten.zanders@mind.be


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a984d833

sound/soc/codecs/simple-mux.c

+9 −0
Original line number Diff line number Diff line
@@ -55,6 +55,14 @@ static int simple_mux_control_put(struct snd_kcontrol *kcontrol, 
					     e, NULL);

}



static unsigned int simple_mux_read(struct snd_soc_component *component,

				    unsigned int reg)

{

	struct simple_mux *priv = snd_soc_component_get_drvdata(component);



	return priv->mux;

}



static const struct snd_kcontrol_new simple_mux_mux =

	SOC_DAPM_ENUM_EXT("Muxer", simple_mux_enum, simple_mux_control_get, simple_mux_control_put);
@@ -76,6 +84,7 @@ static const struct snd_soc_component_driver simple_mux_component_driver = { 
	.num_dapm_widgets	= ARRAY_SIZE(simple_mux_dapm_widgets),

	.dapm_routes		= simple_mux_dapm_routes,

	.num_dapm_routes	= ARRAY_SIZE(simple_mux_dapm_routes),

	.read			= simple_mux_read,

};



static int simple_mux_probe(struct platform_device *pdev)