diff options
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 | 33 |
1 files changed, 0 insertions, 33 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 deleted file mode 100644 index f2c26ade09..0000000000 --- a/target/linux/xburst/patches-3.18/004-ASoC-JZ4740-delay-activation-of-the-DAC-to-work-arou.patch +++ /dev/null @@ -1,33 +0,0 @@ -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(-) - ---- a/sound/soc/codecs/jz4740.c -+++ b/sound/soc/codecs/jz4740.c -@@ -249,12 +249,15 @@ static int jz4740_codec_set_bias_level(s - 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 */ |