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| author | Maarten Zanders <maarten.zanders@mind.be> | 2022-10-28 21:13:01 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-11-03 13:26:14 +0000 |
| commit | f7d97cb564a2ac5517ee7cc933de729e533d659a (patch) | |
| tree | 6e1371f58f94a0f3617a1159657bfbb3f2f781d4 | |
| parent | a984d8332d90afd2989e10b095ffdb2875d4bac8 (diff) | |
| download | linux-f7d97cb564a2ac5517ee7cc933de729e533d659a.tar.bz2 | |
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: Maarten Zanders <maarten.zanders@mind.be>
Link: https://lore.kernel.org/r/20221028191303.166115-1-maarten.zanders@mind.be
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/simple-mux.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/codecs/simple-mux.c b/sound/soc/codecs/simple-mux.c index d30c0d24d90a..bf67de12d20b 100644 --- a/sound/soc/codecs/simple-mux.c +++ b/sound/soc/codecs/simple-mux.c @@ -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) |