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ALSA: ice1712: add chip_exit callback

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Add chip_exit callback to allow card subdrivers to do cleanup work on module
removal.

Needed by Philips PSC724 subdriver to cancel delayed work.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ondrej Zary 2012-10-14 21:09:19 +02:00 committed by Takashi Iwai
parent dcda580616
commit 267bccaf04
3 changed files with 17 additions and 2 deletions
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8
sound/pci/ice1712/ice1712.c
View File

@ -2686,6 +2686,7 @@ static int __devinit snd_ice1712_probe(struct pci_dev *pci,
for (tbl = card_tables; *tbl; tbl++) {
for (c = *tbl; c->subvendor; c++) {
if (c->subvendor == ice->eeprom.subvendor) {
ice->card_info = c;
strcpy(card->shortname, c->name);
if (c->driver) /* specific driver? */
strcpy(card->driver, c->driver);
@ -2799,7 +2800,12 @@ static int __devinit snd_ice1712_probe(struct pci_dev *pci,
static void __devexit snd_ice1712_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
struct snd_card *card = pci_get_drvdata(pci);
struct snd_ice1712 *ice = card->private_data;
if (ice->card_info && ice->card_info->chip_exit)
ice->card_info->chip_exit(ice);
snd_card_free(card);
pci_set_drvdata(pci, NULL);
}

3
sound/pci/ice1712/ice1712.h
View File

@ -288,6 +288,7 @@ struct snd_ice1712_spdif {
} ops;
};
struct snd_ice1712_card_info;
struct snd_ice1712 {
unsigned long conp_dma_size;
@ -324,6 +325,7 @@ struct snd_ice1712 {
struct snd_info_entry *proc_entry;
struct snd_ice1712_eeprom eeprom;
struct snd_ice1712_card_info *card_info;
unsigned int pro_volumes[20];
unsigned int omni:1; /* Delta Omni I/O */
@ -517,6 +519,7 @@ struct snd_ice1712_card_info {
char *model;
char *driver;
int (*chip_init)(struct snd_ice1712 *);
void (*chip_exit)(struct snd_ice1712 *);
int (*build_controls)(struct snd_ice1712 *);
unsigned int no_mpu401:1;
unsigned int mpu401_1_info_flags;

8
sound/pci/ice1712/ice1724.c
View File

@ -2348,6 +2348,7 @@ static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
ice->eeprom.subvendor = c->subvendor;
} else if (c->subvendor != ice->eeprom.subvendor)
continue;
ice->card_info = c;
if (!c->eeprom_size || !c->eeprom_data)
goto found;
/* if the EEPROM is given by the driver, use it */
@ -2788,7 +2789,12 @@ static int __devinit snd_vt1724_probe(struct pci_dev *pci,
static void __devexit snd_vt1724_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
struct snd_card *card = pci_get_drvdata(pci);
struct snd_ice1712 *ice = card->private_data;
if (ice->card_info && ice->card_info->chip_exit)
ice->card_info->chip_exit(ice);
snd_card_free(card);
pci_set_drvdata(pci, NULL);
}