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| author | Lars-Peter Clausen <lars@metafoo.de> | 2015-03-26 19:46:01 +0000 |
|---|---|---|
| committer | Lars-Peter Clausen <lars@metafoo.de> | 2015-03-26 19:46:01 +0000 |
| commit | b18f5eb44a31d7d73b31519175c366630413ac8a (patch) | |
| tree | 954b52e1dba2a37e9d1958f453eef26e12ef26fa /target/linux/xburst/patches-3.18/004-ASoC-JZ4740-delay-activation-of-the-DAC-to-work-arou.patch | |
| parent | c25bf32f8dc8cd47a1e78e1701dc79da55529f93 (diff) | |
| download | mtk-20170518-b18f5eb44a31d7d73b31519175c366630413ac8a.zip mtk-20170518-b18f5eb44a31d7d73b31519175c366630413ac8a.tar.gz mtk-20170518-b18f5eb44a31d7d73b31519175c366630413ac8a.tar.bz2 | |
xburst: Update to 3.18
Update the xburst target to kernel version 3.18 and also remove the broken 3.10 support.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
SVN-Revision: 45031
Diffstat (limited to 'target/linux/xburst/patches-3.18/004-ASoC-JZ4740-delay-activation-of-the-DAC-to-work-arou.patch')
| -rw-r--r-- | target/linux/xburst/patches-3.18/004-ASoC-JZ4740-delay-activation-of-the-DAC-to-work-arou.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/xburst/patches-3.18/004-ASoC-JZ4740-delay-activation-of-the-DAC-to-work-arou.patch b/target/linux/xburst/patches-3.18/004-ASoC-JZ4740-delay-activation-of-the-DAC-to-work-arou.patch new file mode 100644 index 0000000..3de6ee0 --- /dev/null +++ b/target/linux/xburst/patches-3.18/004-ASoC-JZ4740-delay-activation-of-the-DAC-to-work-arou.patch @@ -0,0 +1,38 @@ +From 1a1095927d224403af8ad57c354cc64521bf3081 Mon Sep 17 00:00:00 2001 +From: Paul Cercueil <paul@crapouillou.net> +Date: Sat, 16 Jun 2012 19:36:31 +0200 +Subject: [PATCH 4/7] ASoC: JZ4740: delay activation of the DAC to work around + a sound bug. + +A proper fix of that bug would require a big rewrite of the driver, +which (I hope) will be done eventually. +--- + sound/soc/codecs/jz4740.c | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +diff --git a/sound/soc/codecs/jz4740.c b/sound/soc/codecs/jz4740.c +index df7c01c..6939444 100644 +--- a/sound/soc/codecs/jz4740.c ++++ b/sound/soc/codecs/jz4740.c +@@ -249,12 +249,15 @@ static int jz4740_codec_set_bias_level(struct snd_soc_codec *codec, + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: +- mask = JZ4740_CODEC_1_VREF_DISABLE | +- JZ4740_CODEC_1_VREF_AMP_DISABLE | +- JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M; ++ mask = JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M; + value = 0; + + regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, value); ++ ++ msleep(500); ++ mask = JZ4740_CODEC_1_VREF_DISABLE | ++ JZ4740_CODEC_1_VREF_AMP_DISABLE; ++ regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, 0); + break; + case SND_SOC_BIAS_STANDBY: + /* The only way to clear the suspend flag is to reset the codec */ +-- +1.7.10.4 + |