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Patches for the Librem Mini (v1/v2) and Librem 14 upstreamed post-4.14. Fixes some issues with acoustic noise and headphone jack detection. Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>
31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From 154c2089204962d290860eeecee58165f72868eb Mon Sep 17 00:00:00 2001
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From: Matt DeVillier <matt.devillier@puri.sm>
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Date: Tue, 18 May 2021 11:07:16 -0500
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Subject: [PATCH 1/4] mb/purism/librem_14: set SA slew rate to fast/16
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Decrease SA slew rate to match other domains and reduce
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high-frequency noise slightly.
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Change-Id: I02cd93481f6bfba6249cb338a0e2f47d471a438e
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Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>
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---
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.../purism/librem_cnl/variants/librem_14/devicetree.cb | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/mainboard/purism/librem_cnl/variants/librem_14/devicetree.cb b/src/mainboard/purism/librem_cnl/variants/librem_14/devicetree.cb
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index f61eb2b60a..6d0eb205e7 100644
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--- a/src/mainboard/purism/librem_cnl/variants/librem_14/devicetree.cb
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+++ b/src/mainboard/purism/librem_cnl/variants/librem_14/devicetree.cb
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@@ -39,7 +39,7 @@ chip soc/intel/cannonlake
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register "SlowSlewRateForIa" = "3" # fast/16
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register "SlowSlewRateForGt" = "3" # fast/16
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- register "SlowSlewRateForSa" = "2" # fast/8
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+ register "SlowSlewRateForSa" = "3" # fast/16
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register "SlowSlewRateForFivr" = "3" # fast/16
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# Power
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--
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2.30.2
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