latency.c: use QoS infrastructure

Replace latency.c use with pm_qos_params use.

Signed-off-by: mark gross <mgross@linux.intel.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jaroslav Kysela <perex@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 4 deletions

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 62449117ee14..61f5d425b630 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -23,7 +23,7 @@
 #include <linux/file.h>
 #include <linux/slab.h>
 #include <linux/time.h>
-#include <linux/latency.h>
+#include <linux/pm_qos_params.h>
 #include <linux/uio.h>
 #include <sound/core.h>
 #include <sound/control.h>
@@ -443,9 +443,11 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
         snd_pcm_timer_resolution_change(substream);
         runtime->status->state = SNDRV_PCM_STATE_SETUP;
 
-        remove_acceptable_latency(substream->latency_id);
+        pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
+                                substream->latency_id);
         if ((usecs = period_to_usecs(runtime)) >= 0)
-                set_acceptable_latency(substream->latency_id, usecs);
+                pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY,
+                                        substream->latency_id, usecs);
         return 0;
  _error:
         /* hardware might be unuseable from this time,
@@ -505,7 +507,8 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
         if (substream->ops->hw_free)
                 result = substream->ops->hw_free(substream);
         runtime->status->state = SNDRV_PCM_STATE_OPEN;
-        remove_acceptable_latency(substream->latency_id);
+        pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
+                substream->latency_id);
         return result;
 }