Module Name: src
Committed By: thorpej
Date: Mon Dec 23 15:48:51 UTC 2019
Modified Files:
src/sys/dev/i2c: as3722.c
Log Message:
In as3722_poweroff and as3722_reboot(), check for errors from iic_acquire_bus()
before proceeding with writing to the device.
To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 src/sys/dev/i2c/as3722.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/i2c/as3722.c
diff -u src/sys/dev/i2c/as3722.c:1.17 src/sys/dev/i2c/as3722.c:1.18
--- src/sys/dev/i2c/as3722.c:1.17 Mon Dec 23 02:35:18 2019
+++ src/sys/dev/i2c/as3722.c Mon Dec 23 15:48:51 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: as3722.c,v 1.17 2019/12/23 02:35:18 thorpej Exp $ */
+/* $NetBSD: as3722.c,v 1.18 2019/12/23 15:48:51 thorpej Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <[email protected]>
@@ -29,7 +29,7 @@
#include "opt_fdt.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: as3722.c,v 1.17 2019/12/23 02:35:18 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: as3722.c,v 1.18 2019/12/23 15:48:51 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -852,10 +852,16 @@ as3722_poweroff(device_t dev)
const int flags = I2C_F_POLL;
- iic_acquire_bus(sc->sc_i2c, flags);
- error = as3722_write(sc, AS3722_RESET_CTRL_REG,
- AS3722_RESET_CTRL_POWER_OFF, flags);
- iic_release_bus(sc->sc_i2c, flags);
+ error = iic_acquire_bus(sc->sc_i2c, flags);
+ if (error == 0) {
+ error = as3722_write(sc, AS3722_RESET_CTRL_REG,
+ AS3722_RESET_CTRL_POWER_OFF, flags);
+ iic_release_bus(sc->sc_i2c, flags);
+ }
+ if (error) {
+ device_printf(dev, "WARNING: unable to power off, error %d\n",
+ error);
+ }
return error;
}
@@ -868,10 +874,16 @@ as3722_reboot(device_t dev)
const int flags = I2C_F_POLL;
- iic_acquire_bus(sc->sc_i2c, flags);
- error = as3722_write(sc, AS3722_RESET_CTRL_REG,
- AS3722_RESET_CTRL_FORCE_RESET, flags);
- iic_release_bus(sc->sc_i2c, flags);
+ error = iic_acquire_bus(sc->sc_i2c, flags);
+ if (error == 0) {
+ error = as3722_write(sc, AS3722_RESET_CTRL_REG,
+ AS3722_RESET_CTRL_FORCE_RESET, flags);
+ iic_release_bus(sc->sc_i2c, flags);
+ }
+ if (error) {
+ device_printf(dev, "WARNING: unable to reboot, error %d\n",
+ error);
+ }
return error;
}
