Messages in this thread Patch in this message | | | Date | Wed, 09 Nov 2011 13:34:29 -0800 | From | Greg KH <> | Subject | [222/264] ASoC: Ensure the WM8962 oscillator and PLLs start up disabled |
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3.1-stable review patch. If anyone has any objections, please let me know.
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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
commit 2af8de8c39cf58e5a5e40a9d5d71332da98e6ba7 upstream.
Since there is no current software control for these they would otherwise be left enabled, consuming power.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- sound/soc/codecs/wm8962.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3854,6 +3854,11 @@ static int wm8962_probe(struct snd_soc_c snd_soc_update_bits(codec, WM8962_CLOCKING2, WM8962_CLKREG_OVD, WM8962_CLKREG_OVD); + /* Ensure that the oscillator and PLLs are disabled */ + snd_soc_update_bits(codec, WM8962_PLL2, + WM8962_OSC_ENA | WM8962_PLL2_ENA | WM8962_PLL3_ENA, + 0); + regulator_bulk_disable(ARRAY_SIZE(wm8962->supplies), wm8962->supplies); if (pdata) {
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