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| author | delphij <delphij@FreeBSD.org> | 2011-05-20 22:36:17 +0000 |
|---|---|---|
| committer | delphij <delphij@FreeBSD.org> | 2011-05-20 22:36:17 +0000 |
| commit | b1c7404a29cca0fe879d99c3022eef64cb1a8017 (patch) | |
| tree | 47bf37de0fac2dc4334f390e3560b01b3292888b /sys/dev/atkbdc/atkbd.c | |
| parent | a1bf1a258207345435ea10acd5842a3edd836a66 (diff) | |
| download | FreeBSD-src-b1c7404a29cca0fe879d99c3022eef64cb1a8017.zip FreeBSD-src-b1c7404a29cca0fe879d99c3022eef64cb1a8017.tar.gz | |
Add a new knob to atkbd(4) to enable typematic rate detection on boot,
which is now disabled by default. The detection is known to cause hangs
on boot with some new Lenovo laptops on FreeBSD/amd64.
Reported by: gnn
Discussed with: jkim
MFC after: 3 months
Diffstat (limited to 'sys/dev/atkbdc/atkbd.c')
| -rw-r--r-- | sys/dev/atkbdc/atkbd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/atkbdc/atkbd.c b/sys/dev/atkbdc/atkbd.c index 600020f..643554d 100644 --- a/sys/dev/atkbdc/atkbd.c +++ b/sys/dev/atkbdc/atkbd.c @@ -1097,6 +1097,9 @@ get_typematic(keyboard_t *kbd) x86regs_t regs; uint8_t *p; + if (!(kbd->kb_config & KB_CONF_PROBE_TYPEMATIC)) + return (ENODEV); + if (x86bios_get_intr(0x15) == 0 || x86bios_get_intr(0x16) == 0) return (ENODEV); |
