diff options
| author | Duncan Laurie <dlaurie@google.com> | 2018-10-19 17:01:31 -0700 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2018-10-31 18:31:15 +0000 |
| commit | 29f2b258c855ab13452eb7ebd519140860fbe76a (patch) | |
| tree | 66c26c37aa252dd99e19c23217c6bb6bd7906f15 /src/ec/google/wilco/chip.c | |
| parent | f5d688a5a2bc1d62fb463a76a04267cb349b158f (diff) | |
ec/google/wilco: Unmute audio on init
The speakers start up muted, and the EC must be told by the BIOS
to unmute it. This helps prevent popping noises on boot/resume.
Change-Id: I693f1d01e46e19362ef8fd0d5b3f4930967b5a12
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/29203
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/ec/google/wilco/chip.c')
| -rw-r--r-- | src/ec/google/wilco/chip.c | 3 |
1 files changed, 3 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, |