diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-12-27 20:26:47 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-12-27 20:26:47 +0000 |
| commit | e82666ddc655541cf36d970d277fcce304440479 (patch) | |
| tree | 77e67f8b6ce0e6b8c9befa91c2069e4ed736ac3f /sys/dev/i2c/adm1024.c | |
| parent | 5e5fbcbe5ae42050539d58d2c27934aad8a9cb52 (diff) | |
adm1024 has the same interrupt clearing semantics as a lm87; tested by miod
Diffstat (limited to 'sys/dev/i2c/adm1024.c')
| -rw-r--r-- | sys/dev/i2c/adm1024.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/dev/i2c/adm1024.c b/sys/dev/i2c/adm1024.c index 401037d70ac..45bf294034a 100644 --- a/sys/dev/i2c/adm1024.c +++ b/sys/dev/i2c/adm1024.c @@ -1,4 +1,4 @@ -/* $OpenBSD: adm1024.c,v 1.3 2005/12/26 01:05:13 deraadt Exp $ */ +/* $OpenBSD: adm1024.c,v 1.4 2005/12/27 20:26:46 deraadt Exp $ */ /* * Copyright (c) 2005 Theo de Raadt @@ -40,6 +40,7 @@ #define ADM1024_STEPPING 0x3f /* contains 0x2? */ #define ADM1024_CONFIG1 0x40 #define ADM1024_CONFIG1_START 0x01 +#define ADM1024_CONFIG1_INTCLR 0x08 /* Sensors */ #define ADMLC_INT 0 @@ -89,7 +90,7 @@ admlc_attach(struct device *parent, struct device *self, void *aux) { struct admlc_softc *sc = (struct admlc_softc *)self; struct i2c_attach_args *ia = aux; - u_int8_t cmd, data; + u_int8_t cmd, data, data2; int i; sc->sc_tag = ia->ia_tag; @@ -103,10 +104,11 @@ admlc_attach(struct device *parent, struct device *self, void *aux) printf(": cannot get control register\n"); return; } - if ((data & ADM1024_CONFIG1_START) == 0) { - data |= ADM1024_CONFIG1_START; + data2 = data | ADM1024_CONFIG1_START; + data2 = data2 & ~ADM1024_CONFIG1_INTCLR; + if (data != data2) { if (iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP, - sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL)) { + sc->sc_addr, &cmd, sizeof cmd, &data2, sizeof data2, I2C_F_POLL)) { iic_release_bus(sc->sc_tag, 0); printf(": cannot set control register\n"); return; |