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/ice1724.c b/sound/pci/ice1712/ice1724.c
index 3050a5279253..287df68a9df8 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -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 @@ __found:
 
 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);
 }