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Commit f8781db8 authored by Peter Rosin's avatar Peter Rosin Committed by Mark Brown
Browse files

ASoC: Augment existing card DAPM routes in snd_soc_of_parse_audio_routing 



If a snd_soc_card has any DAPM routes when it calls
snd_soc_of_parse_audio_routing, those are clobbered without this change.

Signed-off-by: default avatarPeter Rosin <peda@axentia.se>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 92a99ea4

sound/soc/soc-core.c

+9 −5
Original line number Diff line number Diff line
@@ -4585,7 +4585,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 
				   const char *propname)

{

	struct device_node *np = card->dev->of_node;

	int num_routes;

	int num_routes, old_routes;

	struct snd_soc_dapm_route *routes;

	int i, ret;
@@ -4603,7 +4603,9 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 
		return -EINVAL;

	}



	routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes),

	old_routes = card->num_dapm_routes;

	routes = devm_kzalloc(card->dev,

			      (old_routes + num_routes) * sizeof(*routes),

			      GFP_KERNEL);

	if (!routes) {

		dev_err(card->dev,
@@ -4611,9 +4613,11 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 
		return -EINVAL;

	}



	memcpy(routes, card->dapm_routes, old_routes * sizeof(*routes));



	for (i = 0; i < num_routes; i++) {

		ret = of_property_read_string_index(np, propname,

			2 * i, &routes[i].sink);

			2 * i, &routes[old_routes + i].sink);

		if (ret) {

			dev_err(card->dev,

				"ASoC: Property '%s' index %d could not be read: %d\n",
@@ -4621,7 +4625,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 
			return -EINVAL;

		}

		ret = of_property_read_string_index(np, propname,

			(2 * i) + 1, &routes[i].source);

			(2 * i) + 1, &routes[old_routes + i].source);

		if (ret) {

			dev_err(card->dev,

				"ASoC: Property '%s' index %d could not be read: %d\n",
@@ -4630,7 +4634,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 
		}

	}



	card->num_dapm_routes = num_routes;

	card->num_dapm_routes += num_routes;

	card->dapm_routes = routes;



	return 0;