diff options
Diffstat (limited to 'sound/isa/opl3sa2.c')
| -rw-r--r-- | sound/isa/opl3sa2.c | 43 |
1 files changed, 32 insertions, 11 deletions
diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c index aafe5565b6e..ca359e0c674 100644 --- a/sound/isa/opl3sa2.c +++ b/sound/isa/opl3sa2.c @@ -90,6 +90,10 @@ MODULE_PARM_DESC(dma2, "DMA2 # for OPL3-SA driver."); module_param_array(opl3sa3_ymode, int, NULL, 0444); MODULE_PARM_DESC(opl3sa3_ymode, "Speaker size selection for 3D Enhancement mode: Desktop/Large Notebook/Small Notebook/HiFi."); +static struct platform_device *platform_devices[SNDRV_CARDS]; +static int pnp_registered; +static int pnpc_registered; + /* control ports */ #define OPL3SA2_PM_CTRL 0x01 #define OPL3SA2_SYS_CTRL 0x02 @@ -921,6 +925,19 @@ static struct platform_driver snd_opl3sa2_nonpnp_driver = { }, }; +static void __init_or_module snd_opl3sa2_unregister_all(void) +{ + int i; + + if (pnpc_registered) + pnp_unregister_card_driver(&opl3sa2_pnpc_driver); + if (pnp_registered) + pnp_unregister_driver(&opl3sa2_pnp_driver); + for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) + platform_device_unregister(platform_devices[i]); + platform_driver_unregister(&snd_opl3sa2_nonpnp_driver); +} + static int __init alsa_card_opl3sa2_init(void) { int i, err, cards = 0; @@ -938,36 +955,40 @@ static int __init alsa_card_opl3sa2_init(void) i, NULL, 0); if (IS_ERR(device)) { err = PTR_ERR(device); - platform_driver_unregister(&snd_opl3sa2_nonpnp_driver); - return err; + goto errout; } + platform_devices[i] = device; cards++; } err = pnp_register_driver(&opl3sa2_pnp_driver); - if (err > 0) + if (err >= 0) { + pnp_registered = 1; cards += err; + } err = pnp_register_card_driver(&opl3sa2_pnpc_driver); - if (err > 0) + if (err >= 0) { + pnpc_registered = 1; cards += err; + } if (!cards) { #ifdef MODULE snd_printk(KERN_ERR "Yamaha OPL3-SA soundcard not found or device busy\n"); #endif - pnp_unregister_card_driver(&opl3sa2_pnpc_driver); - pnp_unregister_driver(&opl3sa2_pnp_driver); - platform_driver_unregister(&snd_opl3sa2_nonpnp_driver); - return -ENODEV; + err = -ENODEV; + goto errout; } return 0; + + errout: + snd_opl3sa2_unregister_all(); + return err; } static void __exit alsa_card_opl3sa2_exit(void) { - pnp_unregister_card_driver(&opl3sa2_pnpc_driver); - pnp_unregister_driver(&opl3sa2_pnp_driver); - platform_driver_unregister(&snd_opl3sa2_nonpnp_driver); + snd_opl3sa2_unregister_all(); } module_init(alsa_card_opl3sa2_init) |