linux-kernel - [PATCH 1/6] ASoC: topology: Constify an argument of snd_soc_tplg_component

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Date: Mon, 13 May 2024 19:37:20 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: lgirdwood@...il.com,
	broonie@...nel.org,
	perex@...ex.cz,
	tiwai@...e.com,
	cezary.rojewski@...el.com,
	pierre-louis.bossart@...ux.intel.com,
	peter.ujfalusi@...ux.intel.com,
	yung-chuan.liao@...ux.intel.com,
	ranjani.sridharan@...ux.intel.com,
	kai.vehmanen@...ux.intel.com,
	srinivas.kandagatla@...aro.org,
	bgoswami@...cinc.com,
	daniel.baluta@....com
Cc: linux-sound@...r.kernel.org,
	alsa-devel@...a-project.org,
	sound-open-firmware@...a-project.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 1/6] ASoC: topology: Constify an argument of snd_soc_tplg_component_load()

snd_soc_tplg_component_load() does not modify its "*ops" argument. It
only read some values and stores it in "soc_tplg.ops".

This argument and the ops field in "struct soc_tplg" can be made const.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 include/sound/soc-topology.h | 2 +-
 sound/soc/soc-topology.c     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/sound/soc-topology.h b/include/sound/soc-topology.h
index f055c6917f6c..1eedd203ac29 100644
--- a/include/sound/soc-topology.h
+++ b/include/sound/soc-topology.h
@@ -178,7 +178,7 @@ static inline const void *snd_soc_tplg_get_data(struct snd_soc_tplg_hdr *hdr)
 
 /* Dynamic Object loading and removal for component drivers */
 int snd_soc_tplg_component_load(struct snd_soc_component *comp,
-	struct snd_soc_tplg_ops *ops, const struct firmware *fw);
+	const struct snd_soc_tplg_ops *ops, const struct firmware *fw);
 int snd_soc_tplg_component_remove(struct snd_soc_component *comp);
 
 /* Binds event handlers to dynamic widgets */
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 90ca37e008b3..b00ec01361c2 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -73,7 +73,7 @@ struct soc_tplg {
 	int bytes_ext_ops_count;
 
 	/* optional fw loading callbacks to component drivers */
-	struct snd_soc_tplg_ops *ops;
+	const struct snd_soc_tplg_ops *ops;
 };
 
 /* check we dont overflow the data for this control chunk */
@@ -2334,7 +2334,7 @@ static int soc_tplg_load(struct soc_tplg *tplg)
 
 /* load audio component topology from "firmware" file */
 int snd_soc_tplg_component_load(struct snd_soc_component *comp,
-	struct snd_soc_tplg_ops *ops, const struct firmware *fw)
+	const struct snd_soc_tplg_ops *ops, const struct firmware *fw)
 {
 	struct soc_tplg tplg;
 	int ret;
-- 
2.45.0