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Use pre-scripted i2c protocols rather than re-inventing our own. No 

functional change intended.

While here, change some indentation to use tabs vs spaces.
This commit is contained in:
pgoyette 2009-02-08 14:34:40 +00:00
parent 940659ed15
commit d94df08c58
1 changed files with 8 additions and 13 deletions
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21
sys/dev/i2c/dbcool.c
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@ -1,4 +1,4 @@
/* $NetBSD: dbcool.c,v 1.8 2009/01/14 13:54:29 pgoyette Exp $ */
/* $NetBSD: dbcool.c,v 1.9 2009/02/08 14:34:40 pgoyette Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -49,7 +49,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dbcool.c,v 1.8 2009/01/14 13:54:29 pgoyette Exp $");
__KERNEL_RCSID(0, "$NetBSD: dbcool.c,v 1.9 2009/02/08 14:34:40 pgoyette Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -701,12 +701,8 @@ dbcool_readreg(struct dbcool_softc *sc, uint8_t reg)
if (iic_acquire_bus(sc->sc_tag, 0) != 0)
goto bad;
if (iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP,
sc->sc_addr, NULL, 0, &reg, 1, 0) != 0)
goto bad;
(void)iic_smbus_read_byte(sc->sc_tag, sc->sc_addr, reg, &data, 0);
iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, NULL, 0, &data, 1, 0);
bad:
iic_release_bus(sc->sc_tag, 0);
return data;
@ -715,14 +711,13 @@ bad:
void
dbcool_writereg(struct dbcool_softc *sc, uint8_t reg, uint8_t val)
{
if (iic_acquire_bus(sc->sc_tag, 0) != 0)
return;
if (iic_acquire_bus(sc->sc_tag, 0) != 0)
return;
iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP,
sc->sc_addr, &reg, 1, &val, 1, 0);
(void)iic_smbus_write_byte(sc->sc_tag, sc->sc_addr, reg, val, 0);
iic_release_bus(sc->sc_tag, 0);
return;
iic_release_bus(sc->sc_tag, 0);
return;
}
static bool