Mirrors/m1n1
2
0
Fork 0
mirror of https://github.com/AsahiLinux/m1n1 synced 2025-02-16 13:48:29 +00:00
Code Issues Projects Releases Packages Wiki Activity

kboot: disable touchbar on missing calibration data

Browse source 
There is at least on Macbook Pro (M1, 13-inch) with missing
"multi-touch-calibration" in the ADT. Disabling the device as error
handling instead of refusing to boot the kernel.

Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2023-09-18 22:52:07 +02:00 • committed by Hector Martin
parent ea64e7bda4
commit 7e5d12d33e
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/kboot.c
View file

@ -671,8 +671,12 @@ static int dt_set_multitouch(void)
u32 len;
const u8 *cal_blob = adt_getprop(adt, anode, "multi-touch-calibration", &len);
if (!cal_blob || !len)
bail("ADT: Failed to get multi-touch-calibration\n");
if (!cal_blob || !len) {
printf("ADT: Failed to get multi-touch-calibration from %s, disable %s\n", adt_touchbar,
fdt_get_name(dt, node, NULL));
fdt_setprop_string(dt, node, "status", "disabled");
return 0;
}
fdt_setprop(dt, node, "apple,z2-cal-blob", cal_blob, len);
return 0;