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>
Add a driver for simple mux driven by gpios. It currently only supports one
gpio, muxing one of two inputs to a single output.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201205001508.346439-2-alexandre.belloni@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>