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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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43
sound/isa/opl3sa2.c
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@@ -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)