kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
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@@ -1,10 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Analog Devices ADV7511 HDMI transmitter driver
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  *
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  * Copyright 2012 Analog Devices Inc.
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  * Copyright (c) 2016, Linaro Limited
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- *
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- * Licensed under the GPL-2.
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  */
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 #include <sound/core.h>
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@@ -122,6 +121,9 @@
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 		audio_source = ADV7511_AUDIO_SOURCE_I2S;
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 		i2s_format = ADV7511_I2S_FORMAT_LEFT_J;
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 		break;
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+	case HDMI_SPDIF:
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+		audio_source = ADV7511_AUDIO_SOURCE_SPDIF;
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+		break;
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 	default:
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 		return -EINVAL;
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 	}
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@@ -178,11 +180,21 @@
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 	/* use Audio infoframe updated info */
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 	regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1),
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 				BIT(5), 0);
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+	/* enable SPDIF receiver */
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+	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
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+		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
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+				   BIT(7), BIT(7));
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+
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 	return 0;
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 }
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 static void audio_shutdown(struct device *dev, void *data)
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 {
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+	struct adv7511 *adv7511 = dev_get_drvdata(dev);
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+
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+	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
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+		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
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+				   BIT(7), 0);
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 }
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 static int adv7511_hdmi_i2s_get_dai_id(struct snd_soc_component *component,
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@@ -216,6 +228,7 @@
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 	.ops = &adv7511_codec_ops,
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 	.max_i2s_channels = 2,
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 	.i2s = 1,
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+	.spdif = 1,
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 };
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 int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511)