Module Name:    src
Committed By:   tsutsui
Date:           Wed Nov 13 17:48:03 UTC 2019

Modified Files:
        src/sys/arch/zaurus/zaurus: autoconf.c

Log Message:
Fix attach failure of zaudio(4) WM8731 (C7x0/860) and WM8750 (C1000/3x00).

The new MI iic(4) layer requires an explicit quirk info of PROBE_STRATEGY
via device properties.  Fixes PR kern/54658.

Should be pulled up to netbsd-9.


To generate a diff of this commit:
cvs rdiff -u -r1.12 -r1.13 src/sys/arch/zaurus/zaurus/autoconf.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/arch/zaurus/zaurus/autoconf.c
diff -u src/sys/arch/zaurus/zaurus/autoconf.c:1.12 src/sys/arch/zaurus/zaurus/autoconf.c:1.13
--- src/sys/arch/zaurus/zaurus/autoconf.c:1.12	Sun Jul 29 18:05:47 2012
+++ src/sys/arch/zaurus/zaurus/autoconf.c	Wed Nov 13 17:48:03 2019
@@ -1,4 +1,4 @@
-/*	$NetBSD: autoconf.c,v 1.12 2012/07/29 18:05:47 mlelstv Exp $	*/
+/*	$NetBSD: autoconf.c,v 1.13 2019/11/13 17:48:03 tsutsui Exp $	*/
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.12 2012/07/29 18:05:47 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.13 2019/11/13 17:48:03 tsutsui Exp $");
 
 #include "opt_md.h"
 
@@ -43,6 +43,8 @@ __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v
 #include <sys/disk.h>
 #include <sys/kauth.h>
 
+#include <dev/i2c/i2cvar.h>
+
 #include <machine/intr.h>
 #include <machine/bootconfig.h>
 #include <machine/bootinfo.h>
@@ -219,5 +221,13 @@ void
 device_register(device_t dev, void *aux)
 {
 
-	/* Nothing to do */
+	/*
+	 * I2C bus conntected to pxaiic(4) for zaudio(4) devices has
+	 * limited capabilities.
+	 */
+	if (device_is_a(dev, "iic") &&
+	    device_is_a(dev->dv_parent, "ziic")) {
+		(void)prop_dictionary_set_cstring_nocopy(device_properties(dev),
+		    I2C_PROP_INDIRECT_PROBE_STRATEGY, I2C_PROBE_STRATEGY_NONE);
+	}
 }

Reply via email to