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62b7f5931c
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>
(cherry-picked from commit f07e572f64)
65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
From 11a2b192e0a8b7514895f9f6b7451f4c6ddd0a22 Mon Sep 17 00:00:00 2001
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From: Matt Flax <flatmax@flatmax.org>
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Date: Fri, 17 Jul 2020 09:17:36 +1000
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Subject: [PATCH] Mute bug fix for the Audioinjector.net isolated
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soundcard.
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---
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.../bcm/audioinjector-isolated-soundcard.c | 26 +++----------------
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1 file changed, 3 insertions(+), 23 deletions(-)
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--- a/sound/soc/bcm/audioinjector-isolated-soundcard.c
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+++ b/sound/soc/bcm/audioinjector-isolated-soundcard.c
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@@ -42,41 +42,20 @@ static int audioinjector_isolated_dai_in
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int ret=snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 24576000, 0);
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if (ret)
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return ret;
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-
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return snd_soc_dai_set_bclk_ratio(rtd->cpu_dai, 64);
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}
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static int audioinjector_isolated_startup(struct snd_pcm_substream *substream)
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{
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snd_pcm_hw_constraint_list(substream->runtime, 0,
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- SNDRV_PCM_HW_PARAM_RATE, &audioinjector_isolated_constraints);
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-
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- return 0;
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-}
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+ SNDRV_PCM_HW_PARAM_RATE, &audioinjector_isolated_constraints);
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-static int audioinjector_isolated_trigger(struct snd_pcm_substream *substream,
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- int cmd){
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-
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- switch (cmd) {
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- case SNDRV_PCM_TRIGGER_STOP:
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- case SNDRV_PCM_TRIGGER_SUSPEND:
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- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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- gpiod_set_value(mute_gpio, 0);
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- break;
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- case SNDRV_PCM_TRIGGER_START:
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- case SNDRV_PCM_TRIGGER_RESUME:
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- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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- gpiod_set_value(mute_gpio, 1);
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- break;
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- default:
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- return -EINVAL;
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- }
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+ gpiod_set_value(mute_gpio, 1);
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return 0;
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}
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static struct snd_soc_ops audioinjector_isolated_ops = {
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.startup = audioinjector_isolated_startup,
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- .trigger = audioinjector_isolated_trigger,
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};
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SND_SOC_DAILINK_DEFS(audioinjector_isolated,
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@@ -153,6 +132,7 @@ static int audioinjector_isolated_probe(
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dev_err(&pdev->dev, "mute gpio not found in dt overlay\n");
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return PTR_ERR(mute_gpio);
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}
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+ gpiod_set_value(mute_gpio, 0);
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}
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ret = devm_snd_soc_register_card(&pdev->dev, card);
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