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| author | Mark Gross <mgross@linux.intel.com> | 2008-02-04 22:30:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 09:44:22 -0800 |
| commit | f011e2e2df3393c16b0fdc48e855e909b7e021ee (patch) | |
| tree | 1ad56011597c739336d7068c8182fd9cfdddad5b /sound/core | |
| parent | d82b35186eaa816267f044bd70cc0acb3c7971a3 (diff) | |
| download | blackbird-op-linux-f011e2e2df3393c16b0fdc48e855e909b7e021ee.tar.gz blackbird-op-linux-f011e2e2df3393c16b0fdc48e855e909b7e021ee.zip | |
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>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/pcm_native.c | 11 |
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; } |
