Commit ed83c917 authored by Kenneth Chan's avatar Kenneth Chan Committed by Hans de Goede
Browse files

platform/x86: panasonic-laptop: Resolve hotkey double trigger bug 



Sometimes double ACPI events are triggered for brightness, vol and mute
hotkeys. This patch fixes it.

Signed-off-by: default avatarKenneth Chan <kenneth.t.chan@gmail.com>
Link: https://lore.kernel.org/r/20200821181433.17653-8-kenneth.t.chan@gmail.com


Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent e3a9afbb

drivers/platform/x86/panasonic-laptop.c

+6 −3
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
 *

 * ChangeLog:

 *	Aug.18, 2020	Kenneth Chan <kenneth.t.chan@gmail.com>

 *			resolve hotkey double trigger

 *			add write support to mute

 *			fix sticky_key init bug

 *			fix naming of platform files for consistency with other
@@ -597,10 +598,12 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) 
					result & 0xf, 0x80, false);

	}



	if ((result & 0xf) == 0x7 || (result & 0xf) == 0x9 || (result & 0xf) == 0xa) {

		if (!sparse_keymap_report_event(hotk_input_dev,

						result & 0xf, result & 0x80, false))

			pr_err("Unknown hotkey event: 0x%04llx\n", result);

	}

}



static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event)

{