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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/sb/sb16.c
parent60af15f529d22a93805e74dd3c52b6f8134511d2 (diff)
[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/sb/sb16.c')
-rw-r--r--sound/isa/sb/sb16.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 2a19b0a39ed..c4ba24bfd27 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -129,6 +129,7 @@ MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
#endif
#ifdef CONFIG_PNP
+static int isa_registered;
static int pnp_registered;
#endif
@@ -702,15 +703,18 @@ static int __init alsa_card_sb16_init(void)
int err;
err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
- /* PnP cards at last */
+ if (!err)
+ isa_registered = 1;
+
err = pnp_register_card_driver(&sb16_pnpc_driver);
if (!err)
pnp_registered = 1;
+
+ if (isa_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}
static void __exit alsa_card_sb16_exit(void)
@@ -718,8 +722,9 @@ static void __exit alsa_card_sb16_exit(void)
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_card_driver(&sb16_pnpc_driver);
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_sb16_isa_driver);
+ isa_unregister_driver(&snd_sb16_isa_driver);
}
module_init(alsa_card_sb16_init)