brcm2708: add kernel 4.14 support

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.14 / 950-0217-ASoC-raspidac3-fix-S24_LE-format.patch

diff --git a/target/linux/brcm2708/patches-4.14/950-0217-ASoC-raspidac3-fix-S24_LE-format.patch b/target/linux/brcm2708/patches-4.14/950-0217-ASoC-raspidac3-fix-S24_LE-format.patch
new file mode 100644 (file)
index 0000000..4b282c1
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0217-ASoC-raspidac3-fix-S24_LE-format.patch
@@ -0,0 +1,45 @@
+From 0999f5ef037e213e87af656f23ae305d1885b006 Mon Sep 17 00:00:00 2001
+From: Matthias Reichl <hias@horus.com>
+Date: Fri, 2 Feb 2018 20:30:43 +0100
+Subject: [PATCH 217/454] ASoC: raspidac3: fix S24_LE format
+
+Remove set_bclk_ratio call so 24-bit data is transmitted in
+24 bclk cycles.
+
+Also remove hw_params as it's no longer needed.
+
+Signed-off-by: Matthias Reichl <hias@horus.com>
+---
+ sound/soc/bcm/raspidac3.c | 14 --------------
+ 1 file changed, 14 deletions(-)
+
+--- a/sound/soc/bcm/raspidac3.c
++++ b/sound/soc/bcm/raspidac3.c
+@@ -68,19 +68,6 @@ static int snd_rpi_raspidac3_init(struct
+       return 0;
+ }
+ 
+-/* set hw parameters */
+-static int snd_rpi_raspidac3_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);
+-}
+-
+ /* startup */
+ static int snd_rpi_raspidac3_startup(struct snd_pcm_substream *substream) {
+       struct snd_soc_pcm_runtime *rtd = substream->private_data;
+@@ -98,7 +85,6 @@ static void snd_rpi_raspidac3_shutdown(s
+ 
+ /* machine stream operations */
+ static struct snd_soc_ops snd_rpi_raspidac3_ops = {
+-      .hw_params = snd_rpi_raspidac3_hw_params,
+       .startup = snd_rpi_raspidac3_startup,
+       .shutdown = snd_rpi_raspidac3_shutdown,
+ };