[alsa-devel] [PATCH] ASoC: Explicitly clear WM8993 ramp controls on power down
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
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
participants (2)
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Liam Girdwood
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Mark Brown