Re: Display brightness controls only work after suspend/resume

[Paul Irofti]

Can you apply the following diff and tell me what the debug printf says
when you push the brightness buttons before and after suspend?


Index: acpithinkpad.c
===================================================================
RCS file: /cvs/src/sys/dev/acpi/acpithinkpad.c,v
retrieving revision 1.44
diff -u -p -r1.44 acpithinkpad.c
--- acpithinkpad.c      24 Apr 2015 14:44:17 -0000      1.44
+++ acpithinkpad.c      15 Jul 2015 01:37:17 -0000
@@ -304,6 +304,8 @@ thinkpad_hotkey(struct aml_node *node, i
                if (aml_evalinteger(sc->sc_acpi, sc->sc_devnode, "MHKP",
                    0, NULL, &event))
                        break;
+               printf("%s: handling event 0x%03llx\n",
+                   DEVNAME(sc), event);
                if (event == 0)
                        break;