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* [PATCH] Input: i8042 - Never reset on Sony VAIO VGN-CS series
@ 2018-04-09 17:42 Ondrej Zary
  0 siblings, 0 replies; only message in thread
From: Ondrej Zary @ 2018-04-09 17:42 UTC (permalink / raw)
  To: Dmitry Torokhov; +Cc: linux-input, linux-kernel

Resetting i8042 breaks MUX on Sony VAIO VGN-CS. Never reset i8042 on
these machines to fix MUX after suspend.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
---
 drivers/input/serio/i8042-x86ia64io.h | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 56644c74828c..34793e8bf636 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -544,16 +544,23 @@ static const struct dmi_system_id __initconst i8042_dmi_forcemux_table[] = {
 	{ }
 };
 
-/*
- * On some Asus laptops, just running self tests cause problems.
- */
 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
 	{
+		/*
+		 * On some Asus laptops, just running self tests cause problems.
+		 */
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 		},
 	},
+	{
+		/* reset breaks MUX on Sony Vaio VGN-CS series */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
+		},
+	},
 	{ }
 };
 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
-- 
Ondrej Zary

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2018-04-09 17:42 [PATCH] Input: i8042 - Never reset on Sony VAIO VGN-CS series Ondrej Zary

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