Am 02.10.24 um 17:02 schrieb Armin Wolf via dmidecode-devel:
OEM DMI type 178 is used by the dell-wmi-base driver to translate
WMI event scancodes into hotkey events. Include the available
information in the output of dmidecode.
Any thoughts on this?
Thanks,
Armin Wolf
Signed-off-by: Armin Wolf <w_ar...@gmx.de>
---
dmioem.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/dmioem.c b/dmioem.c
index 964f287..f6ade2f 100644
--- a/dmioem.c
+++ b/dmioem.c
@@ -144,6 +144,21 @@ static void dmi_dell_bios_flags(u64 flags)
pr_attr("ACPI WMI Supported", "%s", (flags.l & (1 << 1)) ? "Yes" :
"No");
}
+static void dmi_dell_hotkeys(const struct dmi_header *h)
+{
+ int count = (h->length - 0x04) / 0x04;
+ u8 *hotkey;
+
+ pr_list_start("Hotkey Mappings", NULL);
+ for (int i = 0; i < count; i++)
+ {
+ hotkey = h->data + 0x04 + 0x04 * i;
+ pr_list_item("Scancode 0x%04hx -> Keycode 0x%04hx",
+ WORD(hotkey + 0x00), WORD(hotkey + 0x02));
+ }
+ pr_list_end();
+}
+
static void dmi_dell_indexed_io_access(const struct dmi_header *h)
{
static const char *checksum_types[] = {
@@ -225,6 +240,11 @@ static int dmi_decode_dell(const struct dmi_header *h)
dmi_dell_bios_flags(QWORD(data + 0x04));
break;
+ case 178:
+ pr_handle_name("Dell Hotkeys");
+ dmi_dell_hotkeys(h);
+ break;
+
case 212:
pr_handle_name("Dell Indexed I/O Access");
if (h->length < 0x0C) break;
--
2.39.5
