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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:47:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:47:46 -0800
commita421018e8c10e5593a1fee076af72a66c3fe8ca3 (patch)
tree2854511845d0e07d33726a13eda6de1059a5c9df /sound/arm/devdma.c
parent3ad1f3b35e8309ec93454dbf89beaafcdb5312da (diff)
parent86e1d57e4f24ca27ce813bdc2afaac4adafcbaf4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (294 commits) S3C64XX: Staticise platform data for PCM devices ASoC: Rename controls with a / in wm_hubs snd-fm801: autodetect SF64-PCR (tuner-only) card ALSA: tea575x-tuner: fix mute ASoC: au1x: dbdma2: plug memleak in pcm device creation error path ASoC: au1x: dbdma2: fix oops on soc device removal. ALSA: hda - Fix memory leaks in the previous patch ALSA: hda - Add ALC661/259, ALC892/888VD support ALSA: opti9xx: remove snd_opti9xx fields ALSA: aaci - Clean up duplicate code ALSA: usb - Fix mixer map for Hercules Gamesurround Muse Pocket LT ALSA: hda - Add position_fix quirk for HP dv3 ALSA: hda - Add a pin-fix for FSC Amilo Pi1505 ALSA: hda - Fix Cxt5047 test mode ASoC: pxa/raumfeld: adopt new snd_soc_dai_set_pll() API ASoC: sh: fsi: Add runtime PM support sh: ms7724se: Add runtime PM support for FSI ALSA: hda - Add a position_fix quirk for MSI Wind U115 ALSA: opti-miro: add PnP detection ALSA: opti-miro: separate comon probing code ...
Diffstat (limited to 'sound/arm/devdma.c')
-rw-r--r--sound/arm/devdma.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/sound/arm/devdma.c b/sound/arm/devdma.c
deleted file mode 100644
index 9d1e6665b54..00000000000
--- a/sound/arm/devdma.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * linux/sound/arm/devdma.c
- *
- * Copyright (C) 2003-2004 Russell King, All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * ARM DMA shim for ALSA.
- */
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-
-#include "devdma.h"
-
-void devdma_hw_free(struct device *dev, struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_dma_buffer *buf = runtime->dma_buffer_p;
-
- if (runtime->dma_area == NULL)
- return;
-
- if (buf != &substream->dma_buffer) {
- dma_free_coherent(buf->dev.dev, buf->bytes, buf->area, buf->addr);
- kfree(runtime->dma_buffer_p);
- }
-
- snd_pcm_set_runtime_buffer(substream, NULL);
-}
-
-int devdma_hw_alloc(struct device *dev, struct snd_pcm_substream *substream, size_t size)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_dma_buffer *buf = runtime->dma_buffer_p;
- int ret = 0;
-
- if (buf) {
- if (buf->bytes >= size)
- goto out;
- devdma_hw_free(dev, substream);
- }
-
- if (substream->dma_buffer.area != NULL && substream->dma_buffer.bytes >= size) {
- buf = &substream->dma_buffer;
- } else {
- buf = kmalloc(sizeof(struct snd_dma_buffer), GFP_KERNEL);
- if (!buf)
- goto nomem;
-
- buf->dev.type = SNDRV_DMA_TYPE_DEV;
- buf->dev.dev = dev;
- buf->area = dma_alloc_coherent(dev, size, &buf->addr, GFP_KERNEL);
- buf->bytes = size;
- buf->private_data = NULL;
-
- if (!buf->area)
- goto free;
- }
- snd_pcm_set_runtime_buffer(substream, buf);
- ret = 1;
- out:
- runtime->dma_bytes = size;
- return ret;
-
- free:
- kfree(buf);
- nomem:
- return -ENOMEM;
-}
-
-int devdma_mmap(struct device *dev, struct snd_pcm_substream *substream, struct vm_area_struct *vma)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- return dma_mmap_coherent(dev, vma, runtime->dma_area, runtime->dma_addr, runtime->dma_bytes);
-}