8c405cdccc
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>
61 lines
1.9 KiB
Diff
61 lines
1.9 KiB
Diff
From 8a35f69cced9537584043aba6bf4d48434852aa2 Mon Sep 17 00:00:00 2001
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From: alessandromrc <66976091+alessandromrc@users.noreply.github.com>
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Date: Tue, 26 Mar 2024 23:13:37 +0100
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Subject: [PATCH 0991/1085] allo-boss-dac mute output when changing parameters
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Since I noticed that sometimes changing sample rates causes some digital
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quirks and noises, I've changed the function to mute the output before
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performing the changes and then unmute it when an error occurs or the
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parameters got set.
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Signed-off-by: Alessandro Marcon <marconalessandro04@gmail.com>
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---
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sound/soc/bcm/allo-boss-dac.c | 27 +++++++++++++++++++--------
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1 file changed, 19 insertions(+), 8 deletions(-)
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--- a/sound/soc/bcm/allo-boss-dac.c
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+++ b/sound/soc/bcm/allo-boss-dac.c
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@@ -275,23 +275,34 @@ static int snd_allo_boss_hw_params(
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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int channels = params_channels(params);
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int width = snd_pcm_format_width(params_format(params));
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+ struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
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+ struct snd_soc_card *card = rtd->card;
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- if (snd_soc_allo_boss_master) {
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- struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
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+ /* Mute before changing sample rate */
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+ snd_allo_boss_gpio_mute(card);
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- snd_allo_boss_set_sclk(component,
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- params_rate(params));
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+ if (snd_soc_allo_boss_master) {
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+ snd_allo_boss_set_sclk(component, params_rate(params));
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- ret = snd_allo_boss_update_rate_den(
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- substream, params);
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+ ret = snd_allo_boss_update_rate_den(substream, params);
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if (ret)
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- return ret;
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+ goto error;
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}
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ret = snd_soc_dai_set_bclk_ratio(asoc_rtd_to_cpu(rtd, 0), channels * width);
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+
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if (ret)
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- return ret;
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+ goto error;
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+
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ret = snd_soc_dai_set_bclk_ratio(asoc_rtd_to_codec(rtd, 0), channels * width);
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+
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+ if (ret)
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+ goto error;
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+
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+ /* Unmute after setting parameters or having an error */
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+error:
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+ snd_allo_boss_gpio_unmute(card);
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+
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return ret;
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}
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