From 609d7694152f85734560ddc83be5e551b34d8c44 Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Tue, 15 May 2007 11:42:56 +0200 Subject: [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 Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/es18xx.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'sound/isa/es18xx.c') diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c index d2a9c7df0ce5..f7732bf90be3 100644 --- a/sound/isa/es18xx.c +++ b/sound/isa/es18xx.c @@ -2036,7 +2036,9 @@ module_param_array(dma2, int, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver."); #ifdef CONFIG_PNP -static int pnp_registered, pnpc_registered; +static int isa_registered; +static int pnp_registered; +static int pnpc_registered; static struct pnp_device_id snd_audiodrive_pnpbiosids[] = { { .id = "ESS1869" }, @@ -2466,18 +2468,22 @@ static int __init alsa_card_es18xx_init(void) int err; err = isa_register_driver(&snd_es18xx_isa_driver, SNDRV_CARDS); - if (err < 0) - return err; - #ifdef CONFIG_PNP + if (!err) + isa_registered = 1; + err = pnp_register_driver(&es18xx_pnp_driver); if (!err) pnp_registered = 1; + err = pnp_register_card_driver(&es18xx_pnpc_driver); if (!err) pnpc_registered = 1; + + if (isa_registered || pnp_registered) + err = 0; #endif - return 0; + return err; } static void __exit alsa_card_es18xx_exit(void) @@ -2487,8 +2493,9 @@ static void __exit alsa_card_es18xx_exit(void) pnp_unregister_card_driver(&es18xx_pnpc_driver); if (pnp_registered) pnp_unregister_driver(&es18xx_pnp_driver); + if (isa_registered) #endif - isa_unregister_driver(&snd_es18xx_isa_driver); + isa_unregister_driver(&snd_es18xx_isa_driver); } module_init(alsa_card_es18xx_init) -- cgit v1.2.2