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-rw-r--r--sound/core/pcm_native.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 9cbaf90..1793574 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1956,13 +1956,13 @@ int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream)
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE,
hw->rate_min, hw->rate_max);
- if (err < 0)
- return err;
+ if (err < 0)
+ return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
hw->period_bytes_min, hw->period_bytes_max);
- if (err < 0)
- return err;
+ if (err < 0)
+ return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIODS,
hw->periods_min, hw->periods_max);
@@ -3200,9 +3200,7 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
long size;
unsigned long offset;
-#ifdef pgprot_noncached
area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
-#endif
area->vm_flags |= VM_IO;
size = area->vm_end - area->vm_start;
offset = area->vm_pgoff << PAGE_SHIFT;
@@ -3216,6 +3214,15 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
EXPORT_SYMBOL(snd_pcm_lib_mmap_iomem);
#endif /* SNDRV_PCM_INFO_MMAP */
+/* mmap callback with pgprot_noncached */
+int snd_pcm_lib_mmap_noncached(struct snd_pcm_substream *substream,
+ struct vm_area_struct *area)
+{
+ area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
+ return snd_pcm_default_mmap(substream, area);
+}
+EXPORT_SYMBOL(snd_pcm_lib_mmap_noncached);
+
/*
* mmap DMA buffer
*/
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