[PATCH 0/2] ASoC: audio-graph-card: support external amplifier with DAPM widget
Shawn Guo
shawnguo at kernel.org
Thu Jun 29 06:26:36 PDT 2017
From: Shawn Guo <shawn.guo at linaro.org>
It's basically the result of discussion around how external amplifier
controlled by GPIO should be supported by audio card, that uses generic
machine driver like audio-graph-card.
The patch series updates audio-graph-card bindings and driver to support
DAPM widget and audio routing, and then based on that, creates an output
driver widget with event to control the amplifier via GPIO.
[1] https://www.spinics.net/lists/arm-kernel/msg589717.html
Shawn Guo (2):
ASoC: audio-graph-card: update bindings for amplifier support
ASoC: audio-graph-card: add widgets and routing for external amplifier
support
.../devicetree/bindings/sound/audio-graph-card.txt | 5 +++
sound/soc/generic/audio-graph-card.c | 48 +++++++++++++++++++++-
2 files changed, 52 insertions(+), 1 deletion(-)
--
1.9.1
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