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kernel-surface-66 6.6.30-1
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tnut committed May 13, 2024
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101 changes: 101 additions & 0 deletions cli-extra/kernel-surface-66/0001-surface3-oemb.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,101 @@
From 45a9e7f97fc36942e3d70a78fe5313fa78733933 Mon Sep 17 00:00:00 2001
From: Tsuchiya Yuto <kitakar@gmail.com>
Date: Sun, 18 Oct 2020 16:42:44 +0900
Subject: [PATCH] (surface3-oemb) add DMI matches for Surface 3 with broken DMI
table

On some Surface 3, the DMI table gets corrupted for unknown reasons
and breaks existing DMI matching used for device-specific quirks.

This commit adds the (broken) DMI data into dmi_system_id tables used
for quirks so that each driver can enable quirks even on the affected
systems.

On affected systems, DMI data will look like this:
$ grep . /sys/devices/virtual/dmi/id/{bios_vendor,board_name,board_vendor,\
chassis_vendor,product_name,sys_vendor}
/sys/devices/virtual/dmi/id/bios_vendor:American Megatrends Inc.
/sys/devices/virtual/dmi/id/board_name:OEMB
/sys/devices/virtual/dmi/id/board_vendor:OEMB
/sys/devices/virtual/dmi/id/chassis_vendor:OEMB
/sys/devices/virtual/dmi/id/product_name:OEMB
/sys/devices/virtual/dmi/id/sys_vendor:OEMB

Expected:
$ grep . /sys/devices/virtual/dmi/id/{bios_vendor,board_name,board_vendor,\
chassis_vendor,product_name,sys_vendor}
/sys/devices/virtual/dmi/id/bios_vendor:American Megatrends Inc.
/sys/devices/virtual/dmi/id/board_name:Surface 3
/sys/devices/virtual/dmi/id/board_vendor:Microsoft Corporation
/sys/devices/virtual/dmi/id/chassis_vendor:Microsoft Corporation
/sys/devices/virtual/dmi/id/product_name:Surface 3
/sys/devices/virtual/dmi/id/sys_vendor:Microsoft Corporation

Signed-off-by: Tsuchiya Yuto <kitakar@gmail.com>
Patchset: surface3-oemb
---
drivers/platform/surface/surface3-wmi.c | 7 +++++++
sound/soc/codecs/rt5645.c | 9 +++++++++
sound/soc/intel/common/soc-acpi-intel-cht-match.c | 8 ++++++++
3 files changed, 24 insertions(+)

diff --git a/drivers/platform/surface/surface3-wmi.c b/drivers/platform/surface/surface3-wmi.c
index c15ed7a12784..1ec8edb5aafa 100644
--- a/drivers/platform/surface/surface3-wmi.c
+++ b/drivers/platform/surface/surface3-wmi.c
@@ -37,6 +37,13 @@ static const struct dmi_system_id surface3_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"),
},
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+ DMI_MATCH(DMI_SYS_VENDOR, "OEMB"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "OEMB"),
+ },
+ },
#endif
{ }
};
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 20191a4473c2..5ba599b5aba6 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3768,6 +3768,15 @@ static const struct dmi_system_id dmi_platform_data[] = {
},
.driver_data = (void *)&intel_braswell_platform_data,
},
+ {
+ .ident = "Microsoft Surface 3",
+ .matches = {
+ DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+ DMI_MATCH(DMI_SYS_VENDOR, "OEMB"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "OEMB"),
+ },
+ .driver_data = (void *)&intel_braswell_platform_data,
+ },
{
/*
* Match for the GPDwin which unfortunately uses somewhat
diff --git a/sound/soc/intel/common/soc-acpi-intel-cht-match.c b/sound/soc/intel/common/soc-acpi-intel-cht-match.c
index 5e2ec60e2954..207868c699f2 100644
--- a/sound/soc/intel/common/soc-acpi-intel-cht-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-cht-match.c
@@ -27,6 +27,14 @@ static const struct dmi_system_id cht_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"),
},
},
+ {
+ .callback = cht_surface_quirk_cb,
+ .matches = {
+ DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+ DMI_MATCH(DMI_SYS_VENDOR, "OEMB"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "OEMB"),
+ },
+ },
{ }
};

--
2.44.0

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