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kboot: Transfer touchbar calibration for t8112-j493

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Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2023-04-16 09:35:40 +02:00 committed by Hector Martin
parent 88b1866fcc
commit 1ae27426b3
1 changed files with 10 additions and 2 deletions
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12
src/kboot.c
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@ -653,9 +653,17 @@ static int dt_set_multitouch(void)
if (node < 0)
bail("FDT: alias points at nonexistent node");
int anode = adt_path_offset(adt, "/arm-io/spi0/multi-touch");
const char *adt_touchbar;
if (fdt_node_check_compatible(dt, 0, "apple,j293") == 0)
adt_touchbar = "/arm-io/spi0/multi-touch";
else if (fdt_node_check_compatible(dt, 0, "apple,j493") == 0)
adt_touchbar = "/arm-io/spi3/touch-bar";
else
return 0;
int anode = adt_path_offset(adt, adt_touchbar);
if (anode < 0)
bail("ADT /arm-io/spi0/multi-touch not found\n");
bail("ADT: touchbar node %s not found\n", adt_touchbar);
u32 len;
const u8 *cal_blob = adt_getprop(adt, anode, "multi-touch-calibration", &len);