diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2010-03-22 23:17:35 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2010-03-22 23:17:35 +0000 |
| commit | 52fc925b47af6c7fc3be259400883b63e0c28d09 (patch) | |
| tree | a8ff196aacf9a08603a3fc88ea8ed3198377978d | |
| parent | 4cb4bb67292847cf069936454bf4413b3ca0965b (diff) | |
Detect Nuvoton W83795G.
ok deraadt@
| -rw-r--r-- | sys/dev/i2c/i2c_scan.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/dev/i2c/i2c_scan.c b/sys/dev/i2c/i2c_scan.c index 9b213eb9977..500b321e163 100644 --- a/sys/dev/i2c/i2c_scan.c +++ b/sys/dev/i2c/i2c_scan.c @@ -1,4 +1,4 @@ -/* $OpenBSD: i2c_scan.c,v 1.135 2009/12/28 05:04:38 deraadt Exp $ */ +/* $OpenBSD: i2c_scan.c,v 1.136 2010/03/22 23:17:34 kettenis Exp $ */ /* * Copyright (c) 2005 Theo de Raadt <deraadt@openbsd.org> @@ -783,6 +783,16 @@ iic_probe_sensor(struct device *self, u_int8_t addr) */ name = "w83781d"; } + } else if (addr == (iicprobe(0xfc) & 0x7f) && + iicprobe(0xfe) == 0x79 && iicprobe(0xfb) == 0x51 && + ((iicprobe(0xfd) == 0x5c && (iicprobe(0x00) & 0x80)) || + (iicprobe(0xfd) == 0xa3 && !(iicprobe(0x00) & 0x80)))) { + /* + * We could toggle 0x00 bit 0x80, then re-read 0xfd to + * see if the value changes to 0xa3 (indicating Nuvoton). + * But we are trying to avoid writes. + */ + name = "w83795g"; } else if (addr == iicprobe(0x4a) && iicprobe(0x4e) == 0x50 && iicprobe(0x4c) == 0xa3 && iicprobe(0x4d) == 0x5c) { name = "w83l784r"; |