ALSA: Clean up SG-buffer helper functions and macros

[linux-2.6-omap-h63xx.git] / sound / pci / emu10k1 / memory.c

diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c
index e8ad56ed34fa23b49c0f237a71c11161fe6c7d45..6a47672f930aedfe67163ce56a0e5a726470e734 100644 (file)
--- a/sound/pci/emu10k1/memory.c
+++ b/sound/pci/emu10k1/memory.c
@@ -296,7 +296,6 @@ struct snd_util_memblk *
 snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *substream)
 {
        struct snd_pcm_runtime *runtime = substream->runtime;
-       struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
        struct snd_util_memhdr *hdr;
        struct snd_emu10k1_memblk *blk;
        int page, err, idx;
@@ -321,16 +320,9 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
         */
        idx = 0;
        for (page = blk->first_page; page <= blk->last_page; page++, idx++) {
+               unsigned long ofs = idx << PAGE_SHIFT;
                dma_addr_t addr;
-#ifdef CONFIG_SND_DEBUG
-               if (idx >= sgbuf->pages) {
-                       printk(KERN_ERR "emu: pages overflow! (%d-%d) for %d\n",
-                              blk->first_page, blk->last_page, sgbuf->pages);
-                       mutex_unlock(&hdr->block_mutex);
-                       return NULL;
-               }
-#endif
-               addr = sgbuf->table[idx].addr;
+               addr = snd_pcm_sgbuf_get_addr(substream, ofs);
                if (! is_valid_page(emu, addr)) {
                        printk(KERN_ERR "emu: failure page = %d\n", idx);
                        mutex_unlock(&hdr->block_mutex);