linux-kernel - [PATCH 7/8] ASoC: amd: acp: move i2s clock generation sequence

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Mon, 17 Jun 2024 12:58:40 +0530
From: Vijendar Mukunda <Vijendar.Mukunda@....com>
To: <broonie@...nel.org>
CC: <alsa-devel@...a-project.org>, <venkataprasad.potturu@....com>,
	<Basavaraj.Hiregoudar@....com>, <Sunil-kumar.Dommati@....com>, "Vijendar
 Mukunda" <Vijendar.Mukunda@....com>, Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, "Syed Saba
 Kareem" <Syed.SabaKareem@....com>, Kuninori Morimoto
	<kuninori.morimoto.gx@...esas.com>, "open list:SOUND - SOC LAYER / DYNAMIC
 AUDIO POWER MANAGEM..." <linux-sound@...r.kernel.org>, open list
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 7/8] ASoC: amd: acp: move i2s clock generation sequence

I2S clock generation registers should be programmed before starting the I2S
dma when I2S controller is programmed as clock master. Move i2s clock
generation register programming sequence prior to i2s dma start.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
---
 sound/soc/amd/acp/acp-i2s.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index 7da414bc3b96..88985e9d318b 100644
--- a/sound/soc/amd/acp/acp-i2s.c
+++ b/sound/soc/amd/acp/acp-i2s.c
@@ -369,12 +369,12 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 		}
 		writel(period_bytes, adata->acp_base + water_val);
 		writel(buf_size, adata->acp_base + buf_reg);
+		if (rsrc->soc_mclk)
+			acp_set_i2s_clk(adata, dai->driver->id);
 		val = readl(adata->acp_base + reg_val);
 		val = val | BIT(0);
 		writel(val, adata->acp_base + reg_val);
 		writel(1, adata->acp_base + ier_val);
-		if (rsrc->soc_mclk)
-			acp_set_i2s_clk(adata, dai->driver->id);
 		return 0;
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
-- 
2.34.1