On models on which an SMBIOS request needs to be issued in order for WMI
events to be generated, pressing the Dell Instant Launch hotkey does not
raise an i8042 interrupt - only a WMI event is generated (0xe025 on Dell
Vostro V131). Thus, the 0xe025 event should only be ignored on machines
which do not require an SMBIOS request for enabling WMI.
Signed-off-by: Michał Kępień <kernel@xxxxxxxxxx>
---
drivers/platform/x86/dell-wmi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 65edd93..ffc957b5 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -111,7 +111,7 @@ static const struct key_entry dell_wmi_legacy_keymap[] __initconst = {
{ KE_IGNORE, 0xe020, { KEY_MUTE } },
/* Shortcut and audio panel keys */
- { KE_IGNORE, 0xe025, { KEY_RESERVED } },
+ { KE_KEY, 0xe025, { KEY_PROG4 } },
{ KE_IGNORE, 0xe026, { KEY_RESERVED } },
{ KE_IGNORE, 0xe02e, { KEY_VOLUMEDOWN } },
@@ -235,6 +235,9 @@ static void dell_wmi_process_key(int reported_key)
acpi_video_handles_brightness_key_presses())
return;
+ if (key->keycode == KEY_PROG4 && !wmi_requires_smbios_request)
+ return;
+
sparse_keymap_report_entry(dell_wmi_input_dev, key, 1, true);
}
--
1.7.10.4
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