1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0210-ASoC-allo-boss-dac-fix-S24_LE-format.patch b/target/linux/brcm2708/patches-4.14/950-0210-ASoC-allo-boss-dac-fix-S24_LE-format.patch
new file mode 100644
index 0000000000..aa5a1b788d
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0210-ASoC-allo-boss-dac-fix-S24_LE-format.patch
@@ -0,0 +1,56 @@
+From ae1a548ef0cb1a25242201bca5fefa5090728ea8 Mon Sep 17 00:00:00 2001
+From: Matthias Reichl <hias@horus.com>
+Date: Fri, 2 Feb 2018 20:30:42 +0100
+Subject: [PATCH 210/454] ASoC: allo-boss-dac: 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/allo-boss-dac.c | 20 ++------------------
+ 1 file changed, 2 insertions(+), 18 deletions(-)
+
+--- a/sound/soc/bcm/allo-boss-dac.c
++++ b/sound/soc/bcm/allo-boss-dac.c
+@@ -222,14 +222,6 @@ static int snd_allo_boss_update_rate_den
+ 	return 0;
+ }
+ 
+-static int snd_allo_boss_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 void snd_allo_boss_gpio_mute(struct snd_soc_card *card)
+ {
+ 	if (mute_gpio)
+@@ -281,9 +273,6 @@ static int snd_allo_boss_hw_params(
+ {
+ 	int ret = 0;
+ 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+-	unsigned int sample_bits =
+-		snd_pcm_format_physical_width(params_format(params));
+ 
+ 	if (snd_soc_allo_boss_master) {
+ 		struct snd_soc_codec *codec = rtd->codec;
+@@ -291,13 +280,8 @@ static int snd_allo_boss_hw_params(
+ 		snd_allo_boss_set_sclk(codec,
+ 			params_rate(params));
+ 
+-		ret = snd_allo_boss_set_bclk_ratio_pro(cpu_dai,
+-			params);
+-		if (!ret)
+-			ret = snd_allo_boss_update_rate_den(
+-				substream, params);
+-	} else {
+-		ret = snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
++		ret = snd_allo_boss_update_rate_den(
++			substream, params);
+ 	}
+ 	return ret;
+ }