Re: [PATCH] ASoC: topology: create tlv before soc_tplg_init_kcontrol

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On 3/13/19 8:49 AM, Bard liao wrote:
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@xxxxxxxxxxxxxxx>

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

---
  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;

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