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From: phucduc.bui@gmail.com
To: Mark Brown <broonie@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org,
	bui duc phuc <phucduc.bui@gmail.com>
Subject: [PATCH 1/2] ASoC: hisilicon: Remove redundant bit clearing
Date: Thu, 29 Oct 2026 15:01:08 +0700	[thread overview]
Message-ID: <20261029080109.12240-2-phucduc.bui@gmail.com> (raw)
In-Reply-To: <20261029080109.12240-1-phucduc.bui@gmail.com>

From: bui duc phuc <phucduc.bui@gmail.com>

The S2_DOUT_RIGHT_SEL and S2_DOUT_TEST_SEL bits are cleared before
being set again immediately afterward.

Remove the redundant bit-clearing operations.

Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
---
 sound/soc/hisilicon/hi6210-i2s.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sound/soc/hisilicon/hi6210-i2s.c b/sound/soc/hisilicon/hi6210-i2s.c
index 554356f060b0..1c9e235c3a81 100644
--- a/sound/soc/hisilicon/hi6210-i2s.c
+++ b/sound/soc/hisilicon/hi6210-i2s.c
@@ -147,10 +147,6 @@ static int hi6210_i2s_startup(struct snd_pcm_substream *substream,
 	val = hi6210_read_reg(i2s, HII2S_MISC_CFG);
 	/* mux 11/12 = APB not i2s */
 	val &= ~HII2S_MISC_CFG__ST_DL_TEST_SEL;
-	/* BT R ch  0 = mixer op of DACR ch */
-	val &= ~HII2S_MISC_CFG__S2_DOUT_RIGHT_SEL;
-	val &= ~HII2S_MISC_CFG__S2_DOUT_TEST_SEL;
-
 	val |= HII2S_MISC_CFG__S2_DOUT_RIGHT_SEL;
 	/* BT L ch = 1 = mux 7 = "mixer output of DACL */
 	val |= HII2S_MISC_CFG__S2_DOUT_TEST_SEL;
-- 
2.43.0


  reply	other threads:[~2026-10-29  8:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-29  8:01 [PATCH 0/2] ASoC: hisilicon: Clean up hi6210-i2s phucduc.bui
2026-10-29  8:01 ` phucduc.bui [this message]
2026-10-29  8:01 ` [PATCH 2/2] ASoC: hisilicon: Disable clocks in reverse order phucduc.bui

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