From dc73d73aa7145f55412611f3eead1e85ae026785 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 19 Nov 2019 18:49:32 +0100
Subject: [PATCH] ASoC: add control components management
Git-commit: dc73d73aa7145f55412611f3eead1e85ae026785
Patch-mainline: v5.5-rc1
References: jsc#SLE-16518
This ASCII string can carry additional information about
soundcard components or configuration. Add the possibility
to set this string via the ASoC card.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Cc: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191119174933.25526-1-perex@perex.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
include/sound/soc.h | 1 +
sound/soc/soc-core.c | 13 +++++++++++++
2 files changed, 14 insertions(+)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index e0855dc08d30..bd943b5d7d45 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -982,6 +982,7 @@ struct snd_soc_card {
const char *name;
const char *long_name;
const char *driver_name;
+ const char *components;
char dmi_longname[80];
char topology_shortname[32];
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e3a53ef1db04..cc0ef0fcc005 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2108,6 +2108,19 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
soc_setup_card_name(card->snd_card->driver,
card->driver_name, card->name, 1);
+ if (card->components) {
+ /* the current implementation of snd_component_add() accepts */
+ /* multiple components in the string separated by space, */
+ /* but the string collision (identical string) check might */
+ /* not work correctly */
+ ret = snd_component_add(card->snd_card, card->components);
+ if (ret < 0) {
+ dev_err(card->dev, "ASoC: %s snd_component_add() failed: %d\n",
+ card->name, ret);
+ goto probe_end;
+ }
+ }
+
if (card->late_probe) {
ret = card->late_probe(card);
if (ret < 0) {
--
2.16.4