[PATCH v2 6/9] x86/quirks: Add a DMI quirk for Microsoft Surface 3

Andy Shevchenko
2020-01-20T16:08:26Z

Add a DMI quirk for Microsoft Surface 3 which will be utilized by few drivers.

Cc: Cezary Rojewski <cezary.rojewski@intel.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Cc: Jie Yang <yang.jie@linux.intel.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
arch/x86/kernel/quirks.c | 10 ++++++++++
include/linux/platform_data/x86/machine.h | 5 +++++
2 files changed, 15 insertions(+)

diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 78846a8dc88b..501fbcd16282 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -658,6 +658,9 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2083, quirk_intel_purley_xeon_ras
bool x86_apple_machine;
EXPORT_SYMBOL(x86_apple_machine);

+bool x86_microsoft_surface_3_machine;
+EXPORT_SYMBOL(x86_microsoft_surface_3_machine);
+
static const struct dmi_system_id x86_machine_table[] __initconst = {
{
.ident = "x86 Apple Macintosh",
@@ -673,6 +676,13 @@ static const struct dmi_system_id x86_machine_table[] __initconst = {
},
.driver_data = &x86_apple_machine,
},
+ {
+ .ident = "Microsoft Surface 3",
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"),
+ },
+ .driver_data = &x86_microsoft_surface_3_machine,
+ },
{}
};

diff --git a/include/linux/platform_data/x86/machine.h b/include/linux/platform_data/x86/machine.h
index b1e7a560a046..9bdf5a06b490 100644
--- a/include/linux/platform_data/x86/machine.h
+++ b/include/linux/platform_data/x86/machine.h
@@ -8,8 +8,13 @@
* x86_apple_machine - whether the machine is an x86 Apple Macintosh
*/
extern bool x86_apple_machine;
+/**
+ * x86_microsoft_surface_3_machine - whether the machine is Microsoft Surface 3
+ */
+extern bool x86_microsoft_surface_3_machine;
#else
#define x86_apple_machine false
+#define x86_microsoft_surface_3_machine false
#endif

#endif /* PLATFORM_DATA_X86_MACHINE_H */
--
2.24.1