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authorStefan Adolfsson <sadolfsson@google.com>2022-01-12 15:26:10 +0100
committerCommit Bot <commit-bot@chromium.org>2022-01-13 17:43:55 +0000
commitfcc6e26c30112e0cfada28f9bc50324e966d23db (patch)
treecc53a0395dee9208d3b15443bfea927438ef66d2
parentf7bbf4adc7a5b09e28f89159668f66bbebbab29f (diff)
downloadchrome-ec-fcc6e26c30112e0cfada28f9bc50324e966d23db.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/+/3382980 Reviewed-by: Bruce Goodwin <bgoodwin@chromium.org> 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.inc1
1 files changed, 1 insertions, 0 deletions
diff --git a/board/scout/gpio.inc b/board/scout/gpio.inc
index d0e32892a9..7a8f1cc0e0 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)