From 783eaf4671a4f5a95102aedb5a45e1f8adab945c Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Sun, 17 Sep 2006 22:00:51 +0200
Subject: [PATCH] [ALSA] powermac - Fix Oops when conflicting with aoa driver
Fixed Oops when conflictin with aoa driver due to lack of
i2c initialization.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
---
sound/ppc/keywest.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/ppc/keywest.c b/sound/ppc/keywest.c
index 59482a4cd4464..272ae38e9b188 100644
--- a/sound/ppc/keywest.c
+++ b/sound/ppc/keywest.c
@@ -117,6 +117,9 @@ int __init snd_pmac_tumbler_post_init(void)
{
int err;
+ if (!keywest_ctx || !keywest_ctx->client)
+ return -ENXIO;
+
if ((err = keywest_ctx->init_client(keywest_ctx)) < 0) {
snd_printk(KERN_ERR "tumbler: %i :cannot initialize the MCS\n", err);
return err;
--
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