ASoC: Ensure the WM8962 oscillator and PLLs start up disabled

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>
Cc: stable@kernel.org

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 32d931f..a0c895b 100644 (file)
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -4035,6 +4035,11 @@ static int wm8962_probe(struct snd_soc_codec *codec)
        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) {