openwrt/target/linux/brcm2708/patches-4.14/950-0217-ASoC-raspidac3-fix...

46 lines
1.4 KiB
Diff

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,
};