linux-kernel - [PATCH 1/2] ASoC: amd: Removing unnecessary instance initialization

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Message-ID: <20200618072624.27047-1-Vishnuvardhanrao.Ravulapati@amd.com>
Date:   Thu, 18 Jun 2020 12:56:10 +0530
From:   Ravulapati Vishnu vardhan rao 
        <Vishnuvardhanrao.Ravulapati@....com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <Alexander.Deucher@....com>,
        Ravulapati Vishnu vardhan rao 
        <Vishnuvardhanrao.Ravulapati@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        "Takashi Iwai" <tiwai@...e.com>,
        Akshu Agrawal <akshu.agrawal@....com>,
        Wei Yongjun <weiyongjun1@...wei.com>,
        "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@...a-project.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] ASoC: amd: Removing unnecessary instance initialization

In trigger we already get the selected instance details
from runtime->private_data.So, removing the local
initialization which may corrupt the instance selected
details and this leads to corrupt data.

Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@....com>
---
 sound/soc/amd/raven/acp3x-i2s.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c
index a532e01a2622..14607563abd2 100644
--- a/sound/soc/amd/raven/acp3x-i2s.c
+++ b/sound/soc/amd/raven/acp3x-i2s.c
@@ -151,20 +151,12 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream,
 	struct i2s_stream_instance *rtd;
 	struct snd_soc_pcm_runtime *prtd;
 	struct snd_soc_card *card;
-	struct acp3x_platform_info *pinfo;
 	u32 ret, val, period_bytes, reg_val, ier_val, water_val;
 	u32 buf_size, buf_reg;
 
 	prtd = substream->private_data;
 	rtd = substream->runtime->private_data;
 	card = prtd->card;
-	pinfo = snd_soc_card_get_drvdata(card);
-	if (pinfo) {
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			rtd->i2s_instance = pinfo->play_i2s_instance;
-		else
-			rtd->i2s_instance = pinfo->cap_i2s_instance;
-	}
 	period_bytes = frames_to_bytes(substream->runtime,
 			substream->runtime->period_size);
 	buf_size = frames_to_bytes(substream->runtime,
-- 
2.17.1