diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-12-23 04:10:08 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-12-23 04:10:08 +0000 |
| commit | daf5d403904f0ac85448720cf1037acaf701d68f (patch) | |
| tree | 8a526cfb507bfbbf120ecdd5caf284be8c46c712 /sys/dev | |
| parent | 5d7952b1d73c9a0ea0083b2e72ec731372ac7927 (diff) | |
send a command to start scanning...
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/i2c/adm1025.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/sys/dev/i2c/adm1025.c b/sys/dev/i2c/adm1025.c index ebef5f607ff..1b939d93fba 100644 --- a/sys/dev/i2c/adm1025.c +++ b/sys/dev/i2c/adm1025.c @@ -1,4 +1,4 @@ -/* $OpenBSD: adm1025.c,v 1.5 2005/12/23 01:15:06 deraadt Exp $ */ +/* $OpenBSD: adm1025.c,v 1.6 2005/12/23 04:10:07 deraadt Exp $ */ /* * Copyright (c) 2005 Theo de Raadt @@ -36,6 +36,7 @@ #define ADM1025_STATUS2_EXT 0x40 #define ADM1025_COMPANY 0x3e /* contains 0x41 */ #define ADM1025_STEPPING 0x3f /* contains 0x2? */ +#define ADM1025_CONFIG 0x40 /* Sensors */ #define ADMTM_INT 0 @@ -92,11 +93,29 @@ admtm_attach(struct device *parent, struct device *self, void *aux) { struct admtm_softc *sc = (struct admtm_softc *)self; struct i2c_attach_args *ia = aux; + u_int8_t cmd, data; int i; sc->sc_tag = ia->ia_tag; sc->sc_addr = ia->ia_addr; + iic_acquire_bus(sc->sc_tag, 0); + + cmd = ADM1025_CONFIG; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0)) { + iic_release_bus(sc->sc_tag, 0); + printf(": cannot set control register\n"); + return; + } + data |= 0x01; + if (iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0)) { + iic_release_bus(sc->sc_tag, 0); + printf(": cannot set control register\n"); + return; + } + /* Initialize sensor data. */ for (i = 0; i < ADMTM_NUM_SENSORS; i++) strlcpy(sc->sc_sensor[i].device, sc->sc_dev.dv_xname, |