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
  ...

1 files changed, 9 insertions, 1 deletions

diff --git a/sound/core/isadma.c b/sound/core/isadma.c
index 79f0f16af33..950e19ba91f 100644
--- a/sound/core/isadma.c
+++ b/sound/core/isadma.c
@@ -85,16 +85,24 @@ EXPORT_SYMBOL(snd_dma_disable);
 unsigned int snd_dma_pointer(unsigned long dma, unsigned int size)
 {
         unsigned long flags;
-        unsigned int result;
+        unsigned int result, result1;
 
         flags = claim_dma_lock();
         clear_dma_ff(dma);
         if (!isa_dma_bridge_buggy)
                 disable_dma(dma);
         result = get_dma_residue(dma);
+        /*
+         * HACK - read the counter again and choose higher value in order to
+         * avoid reading during counter lower byte roll over if the
+         * isa_dma_bridge_buggy is set.
+         */
+        result1 = get_dma_residue(dma);
         if (!isa_dma_bridge_buggy)
                 enable_dma(dma);
         release_dma_lock(flags);
+        if (unlikely(result < result1))
+                result = result1;
 #ifdef CONFIG_SND_DEBUG
         if (result > size)
                 snd_printk(KERN_ERR "pointer (0x%x) for DMA #%ld is greater than transfer size (0x%x)\n", result, dma, size);