AcoSail/kernel_optimize_test
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ASoC: Make pmdown_time a per-card setting

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Make the pmdown_time a per-card setting rather than a global one,
initialised before the card initialisation runs. This allows cards
to override the default setting if it makes sense to do so (for
example, due to an unavoidable pop).

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-02-12 11:05:44 +00:00
parent 3a66d3877e
commit 96dd362284
2 changed files with 5 additions and 1 deletions
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2
include/sound/soc.h
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@ -521,6 +521,8 @@ struct snd_soc_card {
int (*set_bias_level)(struct snd_soc_card *,
enum snd_soc_bias_level level);
int pmdown_time;
/* CPU <--> Codec DAI links */
struct snd_soc_dai_link *dai_link;
int num_links;

4
sound/soc/soc-core.c
View File

@ -542,7 +542,7 @@ static int soc_codec_close(struct snd_pcm_substream *substream)
/* start delayed pop wq here for playback streams */
codec_dai->pop_wait = 1;
schedule_delayed_work(&card->delayed_work,
msecs_to_jiffies(pmdown_time));
msecs_to_jiffies(card->pmdown_time));
} else {
/* capture streams can be powered down now */
snd_soc_dapm_stream_event(codec,
@ -1039,6 +1039,8 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
dev_dbg(card->dev, "All components present, instantiating\n");
/* Found everything, bring it up */
card->pmdown_time = pmdown_time;
if (card->probe) {
ret = card->probe(pdev);
if (ret < 0)