Module Name: src
Committed By: jmcneill
Date: Sat Nov 21 12:19:47 UTC 2015
Modified Files:
src/sys/dev/i2c: as3722.c as3722.h
Log Message:
expose pmic reset functionality
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/dev/i2c/as3722.c
cvs rdiff -u -r1.1 -r1.2 src/sys/dev/i2c/as3722.h
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:1.2 src/sys/dev/i2c/as3722.c:1.3
--- src/sys/dev/i2c/as3722.c:1.2 Sat Nov 21 10:56:40 2015
+++ src/sys/dev/i2c/as3722.c Sat Nov 21 12:19:47 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: as3722.c,v 1.2 2015/11/21 10:56:40 jmcneill Exp $ */
+/* $NetBSD: as3722.c,v 1.3 2015/11/21 12:19:47 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: as3722.c,v 1.2 2015/11/21 10:56:40 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: as3722.c,v 1.3 2015/11/21 12:19:47 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -53,6 +53,7 @@ __KERNEL_RCSID(0, "$NetBSD: as3722.c,v 1
#define AS3722_RESET_CTRL_REG 0x36
#define AS3722_RESET_CTRL_POWER_OFF __BIT(1)
+#define AS3722_RESET_CTRL_FORCE_RESET __BIT(0)
#define AS3722_WATCHDOG_CTRL_REG 0x38
#define AS3722_WATCHDOG_CTRL_MODE __BITS(2,1)
@@ -251,3 +252,19 @@ as3722_poweroff(device_t dev)
return error;
}
+
+int
+as3722_reboot(device_t dev)
+{
+ struct as3722_softc * const sc = device_private(dev);
+ int error;
+
+ 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);
+
+ return error;
+}
Index: src/sys/dev/i2c/as3722.h
diff -u src/sys/dev/i2c/as3722.h:1.1 src/sys/dev/i2c/as3722.h:1.2
--- src/sys/dev/i2c/as3722.h:1.1 Wed Nov 11 12:35:22 2015
+++ src/sys/dev/i2c/as3722.h Sat Nov 21 12:19:47 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: as3722.h,v 1.1 2015/11/11 12:35:22 jmcneill Exp $ */
+/* $NetBSD: as3722.h,v 1.2 2015/11/21 12:19:47 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -30,5 +30,6 @@
#define _DEV_I2C_AS3722_H
int as3722_poweroff(device_t);
+int as3722_reboot(device_t);
#endif /* !_DEV_I2C_AS3722_H */
