Here is pseudo-code showing how this might be done:
#define PLAYBACK_ADDRESS_BITS DMA_BIT_MASK(32)
- #define RECORD_ADDRESS_BITS 0x00ffffff
+ #define RECORD_ADDRESS_BITS DMA_BIT_MASK(24)
struct my_sound_card *card;
struct pci_dev *pdev;
card->playback_enabled = 1;
} else {
card->playback_enabled = 0;
- printk(KERN_WARN "%s: Playback disabled due to DMA limitations.\n",
+ printk(KERN_WARNING "%s: Playback disabled due to DMA limitations.\n",
card->name);
}
if (!pci_set_dma_mask(pdev, RECORD_ADDRESS_BITS)) {
card->record_enabled = 1;
} else {
card->record_enabled = 0;
- printk(KERN_WARN "%s: Record disabled due to DMA limitations.\n",
+ printk(KERN_WARNING "%s: Record disabled due to DMA limitations.\n",
card->name);
}