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path: root/drivers/media/pci/cx25821/cx25821-alsa.c
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Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-alsa.c')
-rw-r--r--drivers/media/pci/cx25821/cx25821-alsa.c92
1 files changed, 33 insertions, 59 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-alsa.c b/drivers/media/pci/cx25821/cx25821-alsa.c
index 1858a45dd08..2dd5bcaa7e5 100644
--- a/drivers/media/pci/cx25821/cx25821-alsa.c
+++ b/drivers/media/pci/cx25821/cx25821-alsa.c
@@ -59,7 +59,6 @@ do { \
Data type declarations - Can be moded to a header file later
****************************************************************************/
-static struct snd_card *snd_cx25821_cards[SNDRV_CARDS];
static int devno;
struct cx25821_audio_buffer {
@@ -151,7 +150,7 @@ static int _cx25821_start_audio_dma(struct cx25821_audio_dev *chip)
{
struct cx25821_audio_buffer *buf = chip->buf;
struct cx25821_dev *dev = chip->dev;
- struct sram_channel *audio_ch =
+ const struct sram_channel *audio_ch =
&cx25821_sram_channels[AUDIO_SRAM_CHANNEL];
u32 tmp = 0;
@@ -619,7 +618,7 @@ static int snd_cx25821_pcm(struct cx25821_audio_dev *chip, int device,
* Only boards with eeprom and byte 1 at eeprom=1 have it
*/
-static DEFINE_PCI_DEVICE_TABLE(cx25821_audio_pci_tbl) = {
+static const struct pci_device_id cx25821_audio_pci_tbl[] = {
{0x14f1, 0x0920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{0,}
};
@@ -627,34 +626,6 @@ static DEFINE_PCI_DEVICE_TABLE(cx25821_audio_pci_tbl) = {
MODULE_DEVICE_TABLE(pci, cx25821_audio_pci_tbl);
/*
- * Not used in the function snd_cx25821_dev_free so removing
- * from the file.
- */
-/*
-static int snd_cx25821_free(struct cx25821_audio_dev *chip)
-{
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
-
- cx25821_dev_unregister(chip->dev);
- pci_disable_device(chip->pci);
-
- return 0;
-}
-*/
-
-/*
- * Component Destructor
- */
-static void snd_cx25821_dev_free(struct snd_card *card)
-{
- struct cx25821_audio_dev *chip = card->private_data;
-
- /* snd_cx25821_free(chip); */
- snd_card_free(chip->card);
-}
-
-/*
* Alsa Constructor - Component probe
*/
static int cx25821_audio_initdev(struct cx25821_dev *dev)
@@ -674,8 +645,9 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
return -ENOENT;
}
- err = snd_card_create(index[devno], id[devno], THIS_MODULE,
- sizeof(struct cx25821_audio_dev), &card);
+ err = snd_card_new(&dev->pci->dev, index[devno], id[devno],
+ THIS_MODULE,
+ sizeof(struct cx25821_audio_dev), &card);
if (err < 0) {
pr_info("DEBUG ERROR: cannot create snd_card_new in %s\n",
__func__);
@@ -685,7 +657,6 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
strcpy(card->driver, "cx25821");
/* Card "creation" */
- card->private_free = snd_cx25821_dev_free;
chip = card->private_data;
spin_lock_init(&chip->reg_lock);
@@ -712,8 +683,6 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
goto error;
}
- snd_card_set_dev(card, &chip->pci->dev);
-
strcpy(card->shortname, "cx25821");
sprintf(card->longname, "%s at 0x%lx irq %d", chip->dev->name,
chip->iobase, chip->irq);
@@ -729,8 +698,7 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
goto error;
}
- snd_cx25821_cards[devno] = card;
-
+ dev->card = card;
devno++;
return 0;
@@ -742,9 +710,33 @@ error:
/****************************************************************************
LINUX MODULE INIT
****************************************************************************/
+
+static int cx25821_alsa_exit_callback(struct device *dev, void *data)
+{
+ struct v4l2_device *v4l2_dev = dev_get_drvdata(dev);
+ struct cx25821_dev *cxdev = get_cx25821(v4l2_dev);
+
+ snd_card_free(cxdev->card);
+ return 0;
+}
+
static void cx25821_audio_fini(void)
{
- snd_card_free(snd_cx25821_cards[0]);
+ struct device_driver *drv = driver_find("cx25821", &pci_bus_type);
+ int ret;
+
+ ret = driver_for_each_device(drv, NULL, NULL, cx25821_alsa_exit_callback);
+ if (ret)
+ pr_err("%s failed to find a cx25821 driver.\n", __func__);
+}
+
+static int cx25821_alsa_init_callback(struct device *dev, void *data)
+{
+ struct v4l2_device *v4l2_dev = dev_get_drvdata(dev);
+ struct cx25821_dev *cxdev = get_cx25821(v4l2_dev);
+
+ cx25821_audio_initdev(cxdev);
+ return 0;
}
/*
@@ -756,29 +748,11 @@ static void cx25821_audio_fini(void)
*/
static int cx25821_alsa_init(void)
{
- struct cx25821_dev *dev = NULL;
- struct list_head *list;
+ struct device_driver *drv = driver_find("cx25821", &pci_bus_type);
- mutex_lock(&cx25821_devlist_mutex);
- list_for_each(list, &cx25821_devlist) {
- dev = list_entry(list, struct cx25821_dev, devlist);
- cx25821_audio_initdev(dev);
- }
- mutex_unlock(&cx25821_devlist_mutex);
-
- if (dev == NULL)
- pr_info("ERROR ALSA: no cx25821 cards found\n");
-
- return 0;
+ return driver_for_each_device(drv, NULL, NULL, cx25821_alsa_init_callback);
}
late_initcall(cx25821_alsa_init);
module_exit(cx25821_audio_fini);
-
-/* ----------------------------------------------------------- */
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */