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[alsa-ucm-conf,3/3] bytcr-rt5640: Add support for controlling a speaker-mute LED

Message ID 20210507131139.10231-4-hdegoede@redhat.com (mailing list archive)
State New, archived
Headers show
Series byt/cht: Add support for controlling mute LEDs using the new snd_ctl_led kmod | expand

Commit Message

Hans de Goede May 7, 2021, 1:11 p.m. UTC
Add support for controlling a speaker-mute LED using the new snd_ctl_led
kernel module for generic mute LED control.

Tested on a HP Pavilion X2 10-n000nd and a HP Pavilion X2 10-p002nd both of
which have a detachable USB keyboard with a speaker mute LED embedded in
the audio-mute button.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
 ucm2/bytcr-rt5640/bytcr-rt5640.conf | 6 ++++++
 1 file changed, 6 insertions(+)
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diff --git a/ucm2/bytcr-rt5640/bytcr-rt5640.conf b/ucm2/bytcr-rt5640/bytcr-rt5640.conf
index af966ef..6b54d8f 100644
--- a/ucm2/bytcr-rt5640/bytcr-rt5640.conf
+++ b/ucm2/bytcr-rt5640/bytcr-rt5640.conf
@@ -4,3 +4,9 @@  SectionUseCase."HiFi" {
 	File "HiFi.conf"
 	Comment "Play HiFi quality Music"
+FixedBootSequence [
+	exec "/sbin/modprobe snd_ctl_led"
+	sysw "-/class/sound/ctl-led/speaker/card${CardNumber}/attach:Speaker Channel Switch"
+	sysw "-/class/sound/ctl-led/speaker/card${CardNumber}/attach:HP Channel Switch"