diff options
| author | Rene Herman <rene.herman@gmail.com> | 2007-05-15 11:42:56 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2007-05-16 12:22:44 +0200 |
| commit | 609d7694152f85734560ddc83be5e551b34d8c44 (patch) | |
| tree | 14334de027169b2549933ff56cb1fd78e3bd41d6 /sound/isa/wavefront/wavefront.c | |
| parent | 60af15f529d22a93805e74dd3c52b6f8134511d2 (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/wavefront/wavefront.c')
| -rw-r--r-- | sound/isa/wavefront/wavefront.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c index 75673f72385..83c2fc4cfc6 100644 --- a/sound/isa/wavefront/wavefront.c +++ b/sound/isa/wavefront/wavefront.c @@ -86,6 +86,7 @@ module_param_array(use_cs4232_midi, bool, NULL, 0444); MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)"); #ifdef CONFIG_PNP +static int isa_registered; static int pnp_registered; static struct pnp_card_device_id snd_wavefront_pnpids[] = { @@ -706,14 +707,18 @@ static int __init alsa_card_wavefront_init(void) int err; err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS); - if (err < 0) - return err; #ifdef CONFIG_PNP + if (!err) + isa_registered = 1; + err = pnp_register_card_driver(&wavefront_pnpc_driver); if (!err) pnp_registered = 1; + + if (isa_registered) + err = 0; #endif - return 0; + return err; } static void __exit alsa_card_wavefront_exit(void) @@ -721,8 +726,9 @@ static void __exit alsa_card_wavefront_exit(void) #ifdef CONFIG_PNP if (pnp_registered) pnp_unregister_card_driver(&wavefront_pnpc_driver); + if (isa_registered) #endif - isa_unregister_driver(&snd_wavefront_driver); + isa_unregister_driver(&snd_wavefront_driver); } module_init(alsa_card_wavefront_init) |