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path: root/drivers/platform/x86/thinkpad_acpi.c
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Diffstat (limited to 'drivers/platform/x86/thinkpad_acpi.c')
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 117be48ff4de..d5eaf3b1edba 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -214,6 +214,10 @@ enum tpacpi_hkey_event_t {
/* AC-related events */
TP_HKEY_EV_AC_CHANGED = 0x6040, /* AC status changed */
+ /* Further user-interface events */
+ TP_HKEY_EV_PALM_DETECTED = 0x60b0, /* palm hoveres keyboard */
+ TP_HKEY_EV_PALM_UNDETECTED = 0x60b1, /* palm removed */
+
/* Misc */
TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */
};
@@ -2113,12 +2117,10 @@ static int hotkey_gmms_get_tablet_mode(int s, int *has_tablet_mode)
TP_ACPI_MULTI_MODE_FLAT;
break;
case 4:
- valid_modes = TP_ACPI_MULTI_MODE_LAPTOP |
- TP_ACPI_MULTI_MODE_TABLET |
- TP_ACPI_MULTI_MODE_STAND |
- TP_ACPI_MULTI_MODE_TENT;
- break;
case 5:
+ /* In mode 4, FLAT is not specified as a valid mode. However,
+ * it can be seen at least on the X1 Yoga 2nd Generation.
+ */
valid_modes = TP_ACPI_MULTI_MODE_LAPTOP |
TP_ACPI_MULTI_MODE_FLAT |
TP_ACPI_MULTI_MODE_TABLET |
@@ -4079,6 +4081,12 @@ static bool hotkey_notify_6xxx(const u32 hkey,
*send_acpi_ev = false;
break;
+ case TP_HKEY_EV_PALM_DETECTED:
+ case TP_HKEY_EV_PALM_UNDETECTED:
+ /* palm detected hovering the keyboard, forward to user-space
+ * via netlink for consumption */
+ return true;
+
default:
pr_warn("unknown possible thermal alarm or keyboard event received\n");
known = false;