diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-11-18 20:47:46 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-11-18 20:47:46 +0000 |
| commit | 2f3142ad6f36ebf979fed21f4b696409a5e6eee9 (patch) | |
| tree | 45a7c15f1c757f5ad7d4dc0f9158d46eb2674c9f /sys/dev/i2c | |
| parent | bdc38026cbdb0d72ad7fcfbad35bf42f8d7a67f7 (diff) | |
support pca9556 and pca9557 too
cope with the polarity input register correctly, as well
Diffstat (limited to 'sys/dev/i2c')
| -rw-r--r-- | sys/dev/i2c/pca9554.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/sys/dev/i2c/pca9554.c b/sys/dev/i2c/pca9554.c index 8c439de413b..488a894be14 100644 --- a/sys/dev/i2c/pca9554.c +++ b/sys/dev/i2c/pca9554.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pca9554.c,v 1.2 2005/11/17 08:42:56 grange Exp $ */ +/* $OpenBSD: pca9554.c,v 1.3 2005/11/18 20:47:45 deraadt Exp $ */ /* * Copyright (c) 2005 Theo de Raadt @@ -71,8 +71,10 @@ pcagpio_match(struct device *parent, void *match, void *aux) struct i2c_attach_args *ia = aux; if (ia->ia_compat) { - if (strcmp(ia->ia_compat, "PCA9554") == 0 || - strcmp(ia->ia_compat, "PCA9554M") == 0) + if (strcasecmp(ia->ia_compat, "PCA9554") == 0 || + strcasecmp(ia->ia_compat, "PCA9554M") == 0 || + strcasecmp(ia->ia_compat, "pca9556") == 0 || + strcasecmp(ia->ia_compat, "pca9557") == 0) return (1); return (0); } @@ -139,7 +141,12 @@ pcagpio_attach(struct device *parent, struct device *self, void *aux) SENSOR_ADD(&sc->sc_sensor[i]); #endif - printf(": %d inputs %d outputs\n", 8 - outputs, outputs); + printf(":"): + if (8 - outputs) + printf(" %d inputs", 8 - outputs); + if (outputs) + printf(" %d outputs", outputs); + printf("\n"); for (i = 0; i < PCAGPIO_NPINS; i++) { sc->sc_gpio_pins[i].pin_num = i; @@ -209,7 +216,7 @@ pcagpio_gpio_pin_read(void *arg, int pin) if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, sc->sc_addr, &cmd, sizeof cmd, &in, sizeof in, 0)) return 0; - return (in & (1 << pin)) ? 1 : 0; + return ((in ^ sc->sc_polarity) & (1 << pin)) ? 1 : 0; } void |