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authorTakashi Iwai <tiwai@suse.de>2009-07-26 11:07:03 +0200
committerTakashi Iwai <tiwai@suse.de>2009-07-26 11:07:03 +0200
commit7679d5c65ba8e4d27daa9181c2f4c7e618058f29 (patch)
tree2740ba29fd47b6a0f5cf70b5103a9db6fe622dfb /sound
parent4be3bd7849165e7efa6b0b35a23d6a3598d97465 (diff)
parent06c71282a90470184a78f7f0ab0f7ce0fc1f69c8 (diff)
downloadlinux-7679d5c65ba8e4d27daa9181c2f4c7e618058f29.tar.gz
Merge branch 'fix/asoc' into for-linus
* fix/asoc:
  ASoC: tlv320aic3x: Enable PLL when not bypassed
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/tlv320aic3x.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index ab099f482487..cb0d1bf34b57 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -767,6 +767,7 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream,
 	int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0;
 	u8 data, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1;
 	u16 pll_d = 1;
+	u8 reg;
 
 	/* select data word length */
 	data =
@@ -801,8 +802,16 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream,
 		pll_q &= 0xf;
 		aic3x_write(codec, AIC3X_PLL_PROGA_REG, pll_q << PLLQ_SHIFT);
 		aic3x_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_CLKDIV);
-	} else
+		/* disable PLL if it is bypassed */
+		reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
+		aic3x_write(codec, AIC3X_PLL_PROGA_REG, reg & ~PLL_ENABLE);
+
+	} else {
 		aic3x_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_PLLDIV);
+		/* enable PLL when it is used */
+		reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
+		aic3x_write(codec, AIC3X_PLL_PROGA_REG, reg | PLL_ENABLE);
+	}
 
 	/* Route Left DAC to left channel input and
 	 * right DAC to right channel input */