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