Openwrt/target/linux/bcm27xx/patches-5.4/950-0636-Fixes-a-problem-with-clock-settings-of-HiFiBerry-DAC.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

43 lines
1.4 KiB
Diff

From f303194bc24925d3efd965ccfae40974ea437240 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Schambacher?=
<j-schambacher@users.noreply.github.com>
Date: Wed, 15 Apr 2020 11:48:29 +0200
Subject: [PATCH] Fixes a problem with clock settings of HiFiBerry
DAC+ADC PRO (#3545)
This patch fixes a problem of the re-calculation of
i2s-clock and -parameter settings when only the ADC is activated.
Signed-off-by: Joerg Schambacher <joerg@i2audio.com>
---
sound/soc/bcm/hifiberry_dacplusadcpro.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/sound/soc/bcm/hifiberry_dacplusadcpro.c
+++ b/sound/soc/bcm/hifiberry_dacplusadcpro.c
@@ -390,9 +390,11 @@ static int snd_rpi_hifiberry_dacplusadcp
int channels = params_channels(params);
int width = 32;
struct snd_soc_component *dac = rtd->codec_dais[0]->component;
+ struct snd_soc_dai *dai = rtd->codec_dais[0];
+ struct snd_soc_dai_driver *drv = dai->driver;
+ const struct snd_soc_dai_ops *ops = drv->ops;
if (snd_rpi_hifiberry_is_dacpro) {
-
width = snd_pcm_format_physical_width(params_format(params));
snd_rpi_hifiberry_dacplusadcpro_set_sclk(dac,
@@ -414,6 +416,11 @@ static int snd_rpi_hifiberry_dacplusadcp
return ret;
ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x03, 0x03,
channels, width);
+ if (ret)
+ return ret;
+
+ if (snd_rpi_hifiberry_is_dacpro && ops->hw_params)
+ ret = ops->hw_params(substream, params, dai);
return ret;
}