ALSA: ice1712: add chip_exit callback

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>

1 files changed, 7 insertions, 1 deletions

diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 5be2e120a14e..f42b5b1c1d24 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -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);
 }