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openwrt/target/linux/bcm27xx/patches-6.6/950-0932-ASoC-bcm-Use-the-correct-sample-width-value.patch

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bcm27xx: add 6.6 kernel patches The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-05-10 11:19:19 +00:00
From f0a501b81926f3cd91415681feb22a3b8f6f0d83 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Fri, 1 Mar 2024 09:46:23 +0000
Subject: [PATCH 0932/1085] ASoC: bcm: Use the correct sample width value
ALSA's concept of the physical width of a sample is how much memory it
occupies, including any padding. This not the same as the count of bits
of actual sample content. In particular, S24_LE has a width of 24 bits
but a physical width of 32 bits because there is a byte of padding with
each sample.
When calculating bclk_ratio, etc., it is width that matters, not
physical width. Correct the error that has been replicated across the
drivers for many Raspberry Pi-compatible soundcards.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
sound/soc/bcm/allo-boss-dac.c | 2 +-
sound/soc/bcm/dionaudio_loco.c | 2 +-
sound/soc/bcm/hifiberry_dacplus.c | 2 +-
sound/soc/bcm/hifiberry_dacplusadc.c | 2 +-
sound/soc/bcm/hifiberry_dacplusadcpro.c | 2 +-
sound/soc/bcm/i-sabre-q2m.c | 2 +-
sound/soc/bcm/pifi-40.c | 2 --
sound/soc/bcm/pisound.c | 2 +-
sound/soc/bcm/rpi-cirrus.c | 3 +--
sound/soc/bcm/rpi-simple-soundcard.c | 2 +-
10 files changed, 9 insertions(+), 12 deletions(-)
--- a/sound/soc/bcm/allo-boss-dac.c
+++ b/sound/soc/bcm/allo-boss-dac.c
@@ -274,7 +274,7 @@ static int snd_allo_boss_hw_params(
int ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
int channels = params_channels(params);
- int width = snd_pcm_format_physical_width(params_format(params));
+ int width = snd_pcm_format_width(params_format(params));
if (snd_soc_allo_boss_master) {
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
--- a/sound/soc/bcm/dionaudio_loco.c
+++ b/sound/soc/bcm/dionaudio_loco.c
@@ -32,7 +32,7 @@ static int snd_rpi_dionaudio_loco_hw_par
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
unsigned int sample_bits =
- snd_pcm_format_physical_width(params_format(params));
+ snd_pcm_format_width(params_format(params));
return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
}
--- a/sound/soc/bcm/hifiberry_dacplus.c
+++ b/sound/soc/bcm/hifiberry_dacplus.c
@@ -295,7 +295,7 @@ static int snd_rpi_hifiberry_dacplus_hw_
int ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
int channels = params_channels(params);
- int width = snd_pcm_format_physical_width(params_format(params));
+ int width = snd_pcm_format_width(params_format(params));
if (snd_rpi_hifiberry_is_dacpro) {
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
--- a/sound/soc/bcm/hifiberry_dacplusadc.c
+++ b/sound/soc/bcm/hifiberry_dacplusadc.c
@@ -234,7 +234,7 @@ static int snd_rpi_hifiberry_dacplusadc_
if (snd_rpi_hifiberry_is_dacpro) {
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
- width = snd_pcm_format_physical_width(params_format(params));
+ width = snd_pcm_format_width(params_format(params));
snd_rpi_hifiberry_dacplusadc_set_sclk(component,
params_rate(params));
--- a/sound/soc/bcm/hifiberry_dacplusadcpro.c
+++ b/sound/soc/bcm/hifiberry_dacplusadcpro.c
@@ -383,7 +383,7 @@ static int snd_rpi_hifiberry_dacplusadcp
int ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
int channels = params_channels(params);
- int width = snd_pcm_format_physical_width(params_format(params));
+ int width = snd_pcm_format_width(params_format(params));
struct snd_soc_component *dac = asoc_rtd_to_codec(rtd, 0)->component;
struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
struct snd_soc_dai_driver *drv = dai->driver;
--- a/sound/soc/bcm/i-sabre-q2m.c
+++ b/sound/soc/bcm/i-sabre-q2m.c
@@ -53,7 +53,7 @@ static int snd_rpi_i_sabre_q2m_hw_params
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
int bclk_ratio;
- bclk_ratio = snd_pcm_format_physical_width(
+ bclk_ratio = snd_pcm_format_width(
params_format(params)) * params_channels(params);
return snd_soc_dai_set_bclk_ratio(cpu_dai, bclk_ratio);
}
--- a/sound/soc/bcm/pifi-40.c
+++ b/sound/soc/bcm/pifi-40.c
@@ -140,9 +140,7 @@ static int snd_pifi_40_hw_params(struct
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
- unsigned int sample_bits;
- sample_bits = snd_pcm_format_physical_width(params_format(params));
return snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
}
--- a/sound/soc/bcm/pisound.c
+++ b/sound/soc/bcm/pisound.c
@@ -895,7 +895,7 @@ static int pisnd_hw_params(
printd("rate = %d\n", params_rate(params));
printd("ch = %d\n", params_channels(params));
printd("bits = %u\n",
- snd_pcm_format_physical_width(params_format(params)));
+ snd_pcm_format_width(params_format(params)));
printd("format = %d\n", params_format(params));
gpiod_set_value(reset, false);
--- a/sound/soc/bcm/rpi-cirrus.c
+++ b/sound/soc/bcm/rpi-cirrus.c
@@ -704,8 +704,7 @@ static int rpi_cirrus_hw_params(struct s
int ret;
- unsigned int width = snd_pcm_format_physical_width(
- params_format(params));
+ unsigned int width = snd_pcm_format_width(params_format(params));
unsigned int rate = params_rate(params);
unsigned int clk_freq = calc_sysclk(rate);
--- a/sound/soc/bcm/rpi-simple-soundcard.c
+++ b/sound/soc/bcm/rpi-simple-soundcard.c
@@ -137,7 +137,7 @@ static int snd_rpi_simple_hw_params(stru
* hard-code this for now. More complex drivers could just replace
* the hw_params routine.
*/
- sample_bits = snd_pcm_format_physical_width(params_format(params));
+ sample_bits = snd_pcm_format_width(params_format(params));
return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
}
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