[alsa-devel] [PATCH] ASoC: topology: create tlv before soc_tplg_init_kcontrol

Bard liao yung-chuan.liao at linux.intel.com
Wed Mar 13 14:49:43 CET 2019


Component driver may want to use tlv data. Create tlv before
soc_tplg_init_kcontrol so component driver can use the tlv data
in the control_load ops.

Signed-off-by: Bard liao <yung-chuan.liao at linux.intel.com>
---
 sound/soc/soc-topology.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 25fca7055464..fbee4720b834 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -894,19 +894,20 @@ static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
 			continue;
 		}
 
+		/* create any TLV data */
+		soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
+
 		/* pass control to driver for optional further init */
 		err = soc_tplg_init_kcontrol(tplg, &kc,
 			(struct snd_soc_tplg_ctl_hdr *) mc);
 		if (err < 0) {
 			dev_err(tplg->dev, "ASoC: failed to init %s\n",
 				mc->hdr.name);
+			soc_tplg_free_tlv(tplg, &kc);
 			kfree(sm);
 			continue;
 		}
 
-		/* create any TLV data */
-		soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
-
 		/* register control here */
 		err = soc_tplg_add_kcontrol(tplg, &kc,
 			&sm->dobj.control.kcontrol);
@@ -1324,18 +1325,19 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
 			continue;
 		}
 
+		/* create any TLV data */
+		soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
+
 		/* pass control to driver for optional further init */
 		err = soc_tplg_init_kcontrol(tplg, &kc[i],
 			(struct snd_soc_tplg_ctl_hdr *)mc);
 		if (err < 0) {
 			dev_err(tplg->dev, "ASoC: failed to init %s\n",
 				mc->hdr.name);
+			soc_tplg_free_tlv(tplg, &kc[i]);
 			kfree(sm);
 			continue;
 		}
-
-		/* create any TLV data */
-		soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
 	}
 	return kc;
 
-- 
2.17.1



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