* [PATCH] ASoC: Explicitly clear WM8993 ramp controls on power down
@ 2010-12-14 11:27 Mark Brown
2010-12-14 15:58 ` Liam Girdwood
0 siblings, 1 reply; 2+ messages in thread
From: Mark Brown @ 2010-12-14 11:27 UTC (permalink / raw)
To: Liam Girdwood; +Cc: alsa-devel, patches, Mark Brown
This helps ensure that the ramp logic is reset when powering back up.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
sound/soc/codecs/wm8993.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 77b1d44..15f34a2 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1030,6 +1030,12 @@ static int wm8993_set_bias_level(struct snd_soc_codec *codec,
WM8993_VMID_SEL_MASK | WM8993_BIAS_ENA,
0);
+ snd_soc_update_bits(codec, WM8993_ANTIPOP2,
+ WM8993_STARTUP_BIAS_ENA |
+ WM8993_VMID_BUF_ENA |
+ WM8993_VMID_RAMP_MASK |
+ WM8993_BIAS_SRC, 0);
+
#ifdef CONFIG_REGULATOR
/* Post 2.6.34 we will be able to get a callback when
* the regulators are disabled which we can use but
--
1.7.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ASoC: Explicitly clear WM8993 ramp controls on power down
2010-12-14 11:27 [PATCH] ASoC: Explicitly clear WM8993 ramp controls on power down Mark Brown
@ 2010-12-14 15:58 ` Liam Girdwood
0 siblings, 0 replies; 2+ messages in thread
From: Liam Girdwood @ 2010-12-14 15:58 UTC (permalink / raw)
To: Mark Brown; +Cc: alsa-devel, patches
On Tue, 2010-12-14 at 11:27 +0000, Mark Brown wrote:
> This helps ensure that the ramp logic is reset when powering back up.
>
> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
> ---
> sound/soc/codecs/wm8993.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
--
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
http://www.slimlogic.co.uk
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-12-14 11:27 [PATCH] ASoC: Explicitly clear WM8993 ramp controls on power down Mark Brown
2010-12-14 15:58 ` Liam Girdwood
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