1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0212-ASoC-allo-piano-dac-fix-S24_LE-format.patch b/target/linux/brcm2708/patches-4.14/950-0212-ASoC-allo-piano-dac-fix-S24_LE-format.patch
new file mode 100644
index 0000000000..9220af56fe
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0212-ASoC-allo-piano-dac-fix-S24_LE-format.patch
@@ -0,0 +1,49 @@
+From e2036314d5a510acfd84b2f9f22a6b39e324769e Mon Sep 17 00:00:00 2001
+From: Matthias Reichl <hias@horus.com>
+Date: Fri, 2 Feb 2018 20:30:42 +0100
+Subject: [PATCH 212/454] ASoC: allo-piano-dac: fix S24_LE format
+
+Remove set_bclk_ratio call so 24-bit data is transmitted in
+24 bclk cycles.
+
+Also remove hw_params and ops as they are no longer needed.
+
+Signed-off-by: Matthias Reichl <hias@horus.com>
+---
+ sound/soc/bcm/allo-piano-dac.c | 18 ------------------
+ 1 file changed, 18 deletions(-)
+
+--- a/sound/soc/bcm/allo-piano-dac.c
++++ b/sound/soc/bcm/allo-piano-dac.c
+@@ -42,23 +42,6 @@ static int snd_allo_piano_dac_init(struc
+ 	return 0;
+ }
+ 
+-static int snd_allo_piano_dac_hw_params(
+-	struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
+-{
+-	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));
+-
+-	return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
+-}
+-
+-/* machine stream operations */
+-static struct snd_soc_ops snd_allo_piano_dac_ops = {
+-	.hw_params = snd_allo_piano_dac_hw_params,
+-};
+-
+ static struct snd_soc_dai_link snd_allo_piano_dac_dai[] = {
+ {
+ 	.name		= "Piano DAC",
+@@ -70,7 +53,6 @@ static struct snd_soc_dai_link snd_allo_
+ 	.dai_fmt	= SND_SOC_DAIFMT_I2S |
+ 			  SND_SOC_DAIFMT_NB_NF |
+ 			  SND_SOC_DAIFMT_CBS_CFS,
+-	.ops		= &snd_allo_piano_dac_ops,
+ 	.init		= snd_allo_piano_dac_init,
+ },
+ };