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-rw-r--r--src/ec/google/wilco/chip.c3
-rw-r--r--src/ec/google/wilco/commands.h7
2 files changed, 10 insertions, 0 deletions
diff --git a/src/ec/google/wilco/chip.c b/src/ec/google/wilco/chip.c
index 929d1cc312..0cd0048f67 100644
--- a/src/ec/google/wilco/chip.c
+++ b/src/ec/google/wilco/chip.c
@@ -63,6 +63,9 @@ static void wilco_ec_init(struct device *dev)
/* Direct power button to the host for processing */
wilco_ec_send(KB_POWER_BUTTON_TO_HOST, 1);
+
+ /* Unmute speakers */
+ wilco_ec_send(KB_HW_MUTE_CONTROL, AUDIO_UNMUTE_125MS);
}
static void wilco_ec_resource(struct device *dev, int index,
diff --git a/src/ec/google/wilco/commands.h b/src/ec/google/wilco/commands.h
index 7a9bc05a07..4a19030216 100644
--- a/src/ec/google/wilco/commands.h
+++ b/src/ec/google/wilco/commands.h
@@ -36,6 +36,8 @@ enum {
KB_ACPI = 0x3a,
/* Manage the EC power button passthru to the host */
KB_POWER_BUTTON_TO_HOST = 0x3e,
+ /* Manage the EC control of speaker mute */
+ KB_HW_MUTE_CONTROL = 0x60,
/* Inform the EC that the host is about to enter S3 */
KB_SLP_EN = 0x64,
/* Inform the EC about BIOS boot progress */
@@ -54,6 +56,11 @@ enum bios_progress_code {
BIOS_PROGRESS_POST_COMPLETE = 0x04,
};
+enum ec_audio_mute {
+ AUDIO_MUTE = 0, /* Mute speakers immediately */
+ AUDIO_UNMUTE_125MS, /* Unmute in 125ms */
+};
+
/*
* EC Information
*/