diff options
Diffstat (limited to 'sound/drivers/mpu401')
| -rw-r--r-- | sound/drivers/mpu401/mpu401.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c index ec817a86d3dd..915589a402ab 100644 --- a/sound/drivers/mpu401/mpu401.c +++ b/sound/drivers/mpu401/mpu401.c @@ -58,6 +58,7 @@ MODULE_PARM_DESC(port, "Port # for MPU-401 device."); module_param_array(irq, int, NULL, 0444); MODULE_PARM_DESC(irq, "IRQ # for MPU-401 device."); +static struct platform_device *platform_devices[SNDRV_CARDS]; static int pnp_registered = 0; static int snd_mpu401_create(int dev, struct snd_card **rcard) @@ -220,6 +221,17 @@ static struct pnp_driver snd_mpu401_pnp_driver = { static struct pnp_driver snd_mpu401_pnp_driver; #endif +static void __init_or_module snd_mpu401_unregister_all(void) +{ + int i; + + if (pnp_registered) + pnp_unregister_driver(&snd_mpu401_pnp_driver); + for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) + platform_device_unregister(platform_devices[i]); + platform_driver_unregister(&snd_mpu401_driver); +} + static int __init alsa_card_mpu401_init(void) { int i, err, devices; @@ -240,6 +252,7 @@ static int __init alsa_card_mpu401_init(void) err = PTR_ERR(device); goto errout; } + platform_devices[i] = device; devices++; } if ((err = pnp_register_driver(&snd_mpu401_pnp_driver)) >= 0) { @@ -257,17 +270,13 @@ static int __init alsa_card_mpu401_init(void) return 0; errout: - if (pnp_registered) - pnp_unregister_driver(&snd_mpu401_pnp_driver); - platform_driver_unregister(&snd_mpu401_driver); + snd_mpu401_unregister_all(); return err; } static void __exit alsa_card_mpu401_exit(void) { - if (pnp_registered) - pnp_unregister_driver(&snd_mpu401_pnp_driver); - platform_driver_unregister(&snd_mpu401_driver); + snd_mpu401_unregister_all(); } module_init(alsa_card_mpu401_init) |