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| author | Stefan Adolfsson <sadolfsson@google.com> | 2022-01-12 15:26:10 +0100 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2022-01-12 16:39:42 +0000 |
| commit | aabd986cbf69df00600e36da80e714f1d0128bc3 (patch) | |
| tree | 2c792918150dbe09d1fa2b67dc654b8a0d6d398e | |
| parent | ef64bc38ad5b619d51145ae82a22f5ec06e07e42 (diff) | |
| download | chrome-ec-aabd986cbf69df00600e36da80e714f1d0128bc3.tar.gz | |
scout: set microphone enable high per default
Just trusting the pull-ups seems to not be enough. We are
still seeing some missing microphones during acoustic testig.
EE recommends to pull it high from the EC.
BUG=b:214228751
BRANCH=puff
TEST=Measure EC_MIC_OE with oscilloscope and sent before and
after pictures to EE.
Change-Id: I9d67b1841341679531ca415990b7b1fcec9ebc0c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3382983
Reviewed-by: Joe Tessler <jrt@chromium.org>
Tested-by: Joe Tessler <jrt@chromium.org>
Commit-Queue: Stefan Adolfsson <sadolfsson@chromium.org>
| -rw-r--r-- | board/scout/gpio.inc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/board/scout/gpio.inc b/board/scout/gpio.inc index fa3530a401..364d31c349 100644 --- a/board/scout/gpio.inc +++ b/board/scout/gpio.inc @@ -107,6 +107,7 @@ GPIO(EC_ENTERING_RW, PIN(E, 3), GPIO_OUT_LOW) GPIO(CCD_MODE_ODL, PIN(E, 5), GPIO_ODR_HIGH) GPIO(PACKET_MODE_EN, PIN(7, 5), GPIO_OUT_LOW) GPIO(EN_PP_MST_OD, PIN(9, 6), GPIO_OUT_HIGH) +GPIO(EC_MIC_OE, PIN(6, 0), GPIO_OUT_HIGH) /* HDMI/CEC */ GPIO(EN_PP5000_HDMI, PIN(5, 0), GPIO_OUT_LOW) |