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ASoC: Make DAPM power sequence lists local variables

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They are now only accessed within dapm_power_widgets() so can be local
to that function.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2009-06-07 13:57:17 +01:00
parent 4f1c192385
commit 291f3bbcac
2 changed files with 8 additions and 13 deletions
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2
include/sound/soc.h
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@ -369,8 +369,6 @@ struct snd_soc_codec {
enum snd_soc_bias_level bias_level;
enum snd_soc_bias_level suspend_bias_level;
struct delayed_work delayed_work;
struct list_head up_list;
struct list_head down_list;
/* codec DAI's */
struct snd_soc_dai *dai;

19
sound/soc/soc-dapm.c
View file

@ -927,23 +927,22 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
{
struct snd_soc_device *socdev = codec->socdev;
struct snd_soc_dapm_widget *w;
LIST_HEAD(up_list);
LIST_HEAD(down_list);
int ret = 0;
int power;
int sys_power = 0;
INIT_LIST_HEAD(&codec->up_list);
INIT_LIST_HEAD(&codec->down_list);
/* Check which widgets we need to power and store them in
* lists indicating if they should be powered up or down.
*/
list_for_each_entry(w, &codec->dapm_widgets, list) {
switch (w->id) {
case snd_soc_dapm_pre:
dapm_seq_insert(w, &codec->down_list, dapm_down_seq);
dapm_seq_insert(w, &down_list, dapm_down_seq);
break;
case snd_soc_dapm_post:
dapm_seq_insert(w, &codec->up_list, dapm_up_seq);
dapm_seq_insert(w, &up_list, dapm_up_seq);
break;
default:
@ -958,11 +957,9 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
continue;
if (power)
dapm_seq_insert(w, &codec->up_list,
dapm_up_seq);
dapm_seq_insert(w, &up_list, dapm_up_seq);
else
dapm_seq_insert(w, &codec->down_list,
dapm_down_seq);
dapm_seq_insert(w, &down_list, dapm_down_seq);
w->power = power;
break;
@ -979,10 +976,10 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
}
/* Power down widgets first; try to avoid amplifying pops. */
dapm_seq_run(codec, &codec->down_list, event, dapm_down_seq);
dapm_seq_run(codec, &down_list, event, dapm_down_seq);
/* Now power up. */
dapm_seq_run(codec, &codec->up_list, event, dapm_up_seq);
dapm_seq_run(codec, &up_list, event, dapm_up_seq);
/* If we just powered the last thing off drop to standby bias */
if (codec->bias_level == SND_SOC_BIAS_PREPARE && !sys_power) {