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authorIngo Molnar <mingo@kernel.org>2014-01-13 11:44:41 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-13 11:44:41 +0100
commit1c62448e39285b23b4770aaf46d32368fff990df (patch)
treec6c6cf1a80a762a5859bfdaf3941294a47ea8eee /sound/soc/codecs/wm8962.c
parent47933ad41a86a4a9b50bed7c9b9bd2ba242aac63 (diff)
parent7e22e91102c6b9df7c4ae2168910e19d2bb14cd6 (diff)
Merge tag 'v3.13-rc8' into core/locking
Refresh the tree with the latest fixes, before applying new changes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm8962.c')
-rw-r--r--sound/soc/codecs/wm8962.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 543c5c2631b..0f17ed3e29f 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2439,7 +2439,20 @@ static void wm8962_configure_bclk(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, WM8962_CLOCKING_4,
WM8962_SYSCLK_RATE_MASK, clocking4);
+ /* DSPCLK_DIV can be only generated correctly after enabling SYSCLK.
+ * So we here provisionally enable it and then disable it afterward
+ * if current bias_level hasn't reached SND_SOC_BIAS_ON.
+ */
+ if (codec->dapm.bias_level != SND_SOC_BIAS_ON)
+ snd_soc_update_bits(codec, WM8962_CLOCKING2,
+ WM8962_SYSCLK_ENA_MASK, WM8962_SYSCLK_ENA);
+
dspclk = snd_soc_read(codec, WM8962_CLOCKING1);
+
+ if (codec->dapm.bias_level != SND_SOC_BIAS_ON)
+ snd_soc_update_bits(codec, WM8962_CLOCKING2,
+ WM8962_SYSCLK_ENA_MASK, 0);
+
if (dspclk < 0) {
dev_err(codec->dev, "Failed to read DSPCLK: %d\n", dspclk);
return;