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authorRene Herman <rene.herman@gmail.com>2007-05-15 11:42:56 +0200
committerJaroslav Kysela <perex@suse.cz>2007-05-16 12:22:44 +0200
commit609d7694152f85734560ddc83be5e551b34d8c44 (patch)
tree14334de027169b2549933ff56cb1fd78e3bd41d6 /sound/isa/cs423x
parent60af15f529d22a93805e74dd3c52b6f8134511d2 (diff)
downloadlinux-609d7694152f85734560ddc83be5e551b34d8c44.tar.gz
[ALSA] Fix probe of non-PnP ISA devices
isa_register_driver() returns an error if no device is found and it's no fatal error for the drivers with pnp support. Signed-off-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/isa/cs423x')
-rw-r--r--sound/isa/cs423x/cs4236.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c
index 87f1392a2fa..1a14f33b6ab 100644
--- a/sound/isa/cs423x/cs4236.c
+++ b/sound/isa/cs423x/cs4236.c
@@ -127,6 +127,7 @@ module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver.");
#ifdef CONFIG_PNP
+static int isa_registered;
static int pnpc_registered;
#ifdef CS4232
static int pnp_registered;
@@ -770,9 +771,9 @@ static int __init alsa_card_cs423x_init(void)
int err;
err = isa_register_driver(&cs423x_isa_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
+ if (!err)
+ isa_registered = 1;
#ifdef CS4232
err = pnp_register_driver(&cs4232_pnp_driver);
if (!err)
@@ -781,8 +782,14 @@ static int __init alsa_card_cs423x_init(void)
err = pnp_register_card_driver(&cs423x_pnpc_driver);
if (!err)
pnpc_registered = 1;
-#endif /* CONFIG_PNP */
- return 0;
+#ifdef CS4232
+ if (pnp_registered)
+ err = 0;
+#endif
+ if (isa_registered)
+ err = 0;
+#endif
+ return err;
}
static void __exit alsa_card_cs423x_exit(void)
@@ -794,8 +801,9 @@ static void __exit alsa_card_cs423x_exit(void)
if (pnp_registered)
pnp_unregister_driver(&cs4232_pnp_driver);
#endif
-#endif /* CONFIG_PNP */
- isa_unregister_driver(&cs423x_isa_driver);
+ if (isa_registered)
+#endif
+ isa_unregister_driver(&cs423x_isa_driver);
}
module_init(alsa_card_cs423x_init)