Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <sound/driver.h>
#include <linux/init.h>
#include <linux/time.h>
#include <linux/pnp.h>
MODULE_PARM_DESC(id, "ID string for es968 based soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable es968 based soundcard.");
-module_param_array(port, long, NULL, 0444);
-MODULE_PARM_DESC(port, "Port # for es968 driver.");
-module_param_array(irq, int, NULL, 0444);
-MODULE_PARM_DESC(irq, "IRQ # for es968 driver.");
-module_param_array(dma8, int, NULL, 0444);
-MODULE_PARM_DESC(dma8, "8-bit DMA # for es968 driver.");
struct snd_card_es968 {
struct pnp_dev *dev;
#define DRIVER_NAME "snd-card-es968"
-static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id)
{
struct snd_sb *chip = dev_id;
const struct pnp_card_device_id *id)
{
struct pnp_dev *pdev;
- struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
int err;
- if (!cfg)
- return -ENOMEM;
+
acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
- if (acard->dev == NULL) {
- kfree(cfg);
+ if (acard->dev == NULL)
return -ENODEV;
- }
pdev = acard->dev;
- pnp_init_resource_table(cfg);
-
- /* override resources */
- if (port[dev] != SNDRV_AUTO_PORT)
- pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
- if (dma8[dev] != SNDRV_AUTO_DMA)
- pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);
- if (irq[dev] != SNDRV_AUTO_IRQ)
- pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
- if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
- snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
err = pnp_activate_dev(pdev);
if (err < 0) {
snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
- kfree(cfg);
return err;
}
port[dev] = pnp_port_start(pdev, 0);
dma8[dev] = pnp_dma(pdev, 1);
irq[dev] = pnp_irq(pdev, 0);
- kfree(cfg);
return 0;
}
-static int __init snd_card_es968_probe(int dev,
+static int __devinit snd_card_es968_probe(int dev,
struct pnp_card_link *pcard,
const struct pnp_card_device_id *pid)
{
return 0;
}
+static unsigned int __devinitdata es968_devices;
+
static int __devinit snd_es968_pnp_detect(struct pnp_card_link *card,
const struct pnp_card_device_id *id)
{
if (res < 0)
return res;
dev++;
+ es968_devices++;
return 0;
}
return -ENODEV;
static int __init alsa_card_es968_init(void)
{
- int cards = pnp_register_card_driver(&es968_pnpc_driver);
- if (cards <= 0) {
+ int err = pnp_register_card_driver(&es968_pnpc_driver);
+ if (err)
+ return err;
+
+ if (!es968_devices) {
pnp_unregister_card_driver(&es968_pnpc_driver);
#ifdef MODULE
snd_printk(KERN_ERR "no ES968 based soundcards found\n");