lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[ALSA] Fix probe of non-PnP ISA devices

Browse Source 
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>
This commit is contained in:
Rene Herman
2007-05-15 11:42:56 +02:00
committed by Jaroslav Kysela
parent 60af15f529
commit 609d769415
8 changed files with 94 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
sound/isa/cmi8330.c
View File

@@ -109,6 +109,7 @@ module_param_array(wssdma, int, NULL, 0444);
MODULE_PARM_DESC(wssdma, "DMA for CMI8330 WSS driver.");
#ifdef CONFIG_PNP
static int isa_registered;
static int pnp_registered;
#endif
@@ -686,14 +687,18 @@ static int __init alsa_card_cmi8330_init(void)
int err;
err = isa_register_driver(&snd_cmi8330_driver, SNDRV_CARDS);
if (err < 0)
return err;
#ifdef CONFIG_PNP
if (!err)
isa_registered = 1;
err = pnp_register_card_driver(&cmi8330_pnpc_driver);
if (!err)
pnp_registered = 1;
if (isa_registered)
err = 0;
#endif
return 0;
return err;
}
static void __exit alsa_card_cmi8330_exit(void)
@@ -701,8 +706,10 @@ static void __exit alsa_card_cmi8330_exit(void)
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_card_driver(&cmi8330_pnpc_driver);
if (isa_registered)
#endif
isa_unregister_driver(&snd_cmi8330_driver);
isa_unregister_driver(&snd_cmi8330_driver);
}
module_init(alsa_card_cmi8330_init)