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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
Mark Brown 13 năm trước cách đây
mục cha
commit
2af8de8c39
1 tập tin đã thay đổi với 5 bổ sung0 xóa
  1. 5 0
      sound/soc/codecs/wm8962.c

+ 5 - 0
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) {