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>
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 6244911..61f5d42 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 @@
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 @@
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;
}