[alsa-devel] [PATCH] ASoC: Add power down of widget powered up for suspend

Joonyoung Shim jy0922.shim at samsung.com
Mon Nov 23 06:45:16 CET 2009


If the widget was powered up when the device enters to the suspend, it
remains on because the power of the widget doesn't change, but we need
to power down the widget on suspend.

Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
 sound/soc/soc-dapm.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d2af872..099d3b6 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -978,8 +978,11 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 				continue;
 
 			power = w->power_check(w);
-			if (power)
+			if (power) {
 				sys_power = 1;
+				if (event == SND_SOC_DAPM_STREAM_SUSPEND)
+					power = 0;
+			}
 
 			if (w->power == power)
 				continue;
-- 
1.6.3.3


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