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[ALSA] unregister platform devices

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Call platform_device_unregister() for all platform devices that we've
registered.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch
2005-12-07 09:13:42 +01:00
committed by Jaroslav Kysela
parent 416c1079d3
commit f7a9275d94
24 changed files with 415 additions and 111 deletions
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34
sound/isa/cmi8330.c
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@@ -108,6 +108,9 @@ MODULE_PARM_DESC(wssirq, "IRQ # for CMI8330 WSS driver.");
module_param_array(wssdma, int, NULL, 0444);
MODULE_PARM_DESC(wssdma, "DMA for CMI8330 WSS driver.");
static struct platform_device *platform_devices[SNDRV_CARDS];
static int pnp_registered;
#define CMI8330_RMUX3D 16
#define CMI8330_MUTEMUX 17
#define CMI8330_OUTPUTVOL 18
@@ -665,6 +668,17 @@ static struct pnp_card_driver cmi8330_pnpc_driver = {
};
#endif /* CONFIG_PNP */
static void __init_or_module snd_cmi8330_unregister_all(void)
{
int i;
if (pnp_registered)
pnp_unregister_card_driver(&cmi8330_pnpc_driver);
for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
platform_device_unregister(platform_devices[i]);
platform_driver_unregister(&snd_cmi8330_driver);
}
static int __init alsa_card_cmi8330_init(void)
{
int i, err, cards = 0;
@@ -680,31 +694,35 @@ static int __init alsa_card_cmi8330_init(void)
i, NULL, 0);
if (IS_ERR(device)) {
err = PTR_ERR(device);
platform_driver_unregister(&snd_cmi8330_driver);
return err;
goto errout;
}
platform_devices[i] = device;
cards++;
}
err = pnp_register_card_driver(&cmi8330_pnpc_driver);
if (err > 0)
if (err >= 0) {
pnp_registered = 1;
cards += err;
}
if (!cards) {
pnp_unregister_card_driver(&cmi8330_pnpc_driver);
platform_driver_unregister(&snd_cmi8330_driver);
#ifdef MODULE
snd_printk(KERN_ERR "CMI8330 not found or device busy\n");
#endif
return -ENODEV;
err = -ENODEV;
goto errout;
}
return 0;
errout:
snd_cmi8330_unregister_all();
return err;
}
static void __exit alsa_card_cmi8330_exit(void)
{
pnp_unregister_card_driver(&cmi8330_pnpc_driver);
platform_driver_unregister(&snd_cmi8330_driver);
snd_cmi8330_unregister_all();
}
module_init(alsa_card_cmi8330_init)