1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0214-ASoC-hifiberry_dacplus-fix-S24_LE-format.patch b/target/linux/brcm2708/patches-4.14/950-0214-ASoC-hifiberry_dacplus-fix-S24_LE-format.patch
new file mode 100644
index 0000000000..520ca36368
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0214-ASoC-hifiberry_dacplus-fix-S24_LE-format.patch
@@ -0,0 +1,53 @@
+From d94d483e5f0798294aa1eb738c203acc4a7f415e Mon Sep 17 00:00:00 2001
+From: Matthias Reichl <hias@horus.com>
+Date: Fri, 2 Feb 2018 20:30:42 +0100
+Subject: [PATCH 214/454] ASoC: hifiberry_dacplus: fix S24_LE format
+
+Remove set_bclk_ratio call so 24-bit data is transmitted in
+24 bclk cycles.
+
+Signed-off-by: Matthias Reichl <hias@horus.com>
+---
+ sound/soc/bcm/hifiberry_dacplus.c | 20 +++-----------------
+ 1 file changed, 3 insertions(+), 17 deletions(-)
+
+--- a/sound/soc/bcm/hifiberry_dacplus.c
++++ b/sound/soc/bcm/hifiberry_dacplus.c
+@@ -216,20 +216,11 @@ static int snd_rpi_hifiberry_dacplus_upd
+ 	return 0;
+ }
+ 
+-static int snd_rpi_hifiberry_dacplus_set_bclk_ratio_pro(
+-	struct snd_soc_dai *cpu_dai, struct snd_pcm_hw_params *params)
+-{
+-	int bratio = snd_pcm_format_physical_width(params_format(params))
+-		* params_channels(params);
+-	return snd_soc_dai_set_bclk_ratio(cpu_dai, bratio);
+-}
+-
+ static int snd_rpi_hifiberry_dacplus_hw_params(
+ 	struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
+ {
+-	int ret;
++	int ret = 0;
+ 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ 
+ 	if (snd_rpi_hifiberry_is_dacpro) {
+ 		struct snd_soc_codec *codec = rtd->codec;
+@@ -237,13 +228,8 @@ static int snd_rpi_hifiberry_dacplus_hw_
+ 		snd_rpi_hifiberry_dacplus_set_sclk(codec,
+ 			params_rate(params));
+ 
+-		ret = snd_rpi_hifiberry_dacplus_set_bclk_ratio_pro(cpu_dai,
+-			params);
+-		if (!ret)
+-			ret = snd_rpi_hifiberry_dacplus_update_rate_den(
+-				substream, params);
+-	} else {
+-		ret = snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
++		ret = snd_rpi_hifiberry_dacplus_update_rate_den(
++			substream, params);
+ 	}
+ 	return ret;
+ }