linux-kernel - [PATCH 1/5] ASoC: stm32: sai: fix iec958 controls indexation

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Date:   Thu, 28 Feb 2019 14:19:21 +0100
From:   Olivier Moysan <olivier.moysan@...com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>, <olivier.moysan@...com>,
        <arnaud.pouliquen@...com>, <benjamin.gaignard@...com>
Subject: [PATCH 1/5] ASoC: stm32: sai: fix iec958 controls indexation

Allow indexation of sai iec958 controls according
to device id.

Signed-off-by: Olivier Moysan <olivier.moysan@...com>
---
 sound/soc/stm/stm32_sai_sub.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index f9297228c41c..506360b7bc01 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -100,7 +100,7 @@
  * @slot_mask: rx or tx active slots mask. set at init or at runtime
  * @data_size: PCM data width. corresponds to PCM substream width.
  * @spdif_frm_cnt: S/PDIF playback frame counter
- * @snd_aes_iec958: iec958 data
+ * @iec958: iec958 data
  * @ctrl_lock: control lock
  */
 struct stm32_sai_sub_data {
@@ -1068,11 +1068,12 @@ static int stm32_sai_pcm_new(struct snd_soc_pcm_runtime *rtd,
 			     struct snd_soc_dai *cpu_dai)
 {
 	struct stm32_sai_sub_data *sai = dev_get_drvdata(cpu_dai->dev);
+	struct snd_kcontrol_new knew = iec958_ctls;
 
 	if (STM_SAI_PROTOCOL_IS_SPDIF(sai)) {
 		dev_dbg(&sai->pdev->dev, "%s: register iec controls", __func__);
-		return snd_ctl_add(rtd->pcm->card,
-				   snd_ctl_new1(&iec958_ctls, sai));
+		knew.device = rtd->pcm->device;
+		return snd_ctl_add(rtd->pcm->card, snd_ctl_new1(&knew, sai));
 	}
 
 	return 0;
-- 
2.7.4