1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch b/target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch
new file mode 100644
index 0000000000..d569d4f78f
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch
@@ -0,0 +1,54 @@
+From 7e9c82c499592f518e45cf9d049529470971dac7 Mon Sep 17 00:00:00 2001
+From: Matthias Reichl <hias@horus.com>
+Date: Fri, 2 Feb 2018 20:30:42 +0100
+Subject: [PATCH 215/454] ASoC: iqaudio-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/iqaudio-dac.c | 18 ------------------
+ 1 file changed, 18 deletions(-)
+
+--- a/sound/soc/bcm/iqaudio-dac.c
++++ b/sound/soc/bcm/iqaudio-dac.c
+@@ -43,18 +43,6 @@ static int snd_rpi_iqaudio_dac_init(stru
+ 	return 0;
+ }
+ 
+-static int snd_rpi_iqaudio_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);
+-}
+-
+ static void snd_rpi_iqaudio_gpio_mute(struct snd_soc_card *card)
+ {
+ 	if (mute_gpio) {
+@@ -109,11 +97,6 @@ static int snd_rpi_iqaudio_set_bias_leve
+ 	return 0;
+ }
+ 
+-/* machine stream operations */
+-static struct snd_soc_ops snd_rpi_iqaudio_dac_ops = {
+-	.hw_params = snd_rpi_iqaudio_dac_hw_params,
+-};
+-
+ static struct snd_soc_dai_link snd_rpi_iqaudio_dac_dai[] = {
+ {
+ 	.cpu_dai_name	= "bcm2708-i2s.0",
+@@ -122,7 +105,6 @@ static struct snd_soc_dai_link snd_rpi_i
+ 	.codec_name	= "pcm512x.1-004c",
+ 	.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ 				SND_SOC_DAIFMT_CBS_CFS,
+-	.ops		= &snd_rpi_iqaudio_dac_ops,
+ 	.init		= snd_rpi_iqaudio_dac_init,
+ },
+ };