From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7D17622129B for ; Mon, 4 Aug 2025 03:06:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754276796; cv=none; b=qn/IzGv1mKHbEmlhrUdEdSNZgFOjJSTde9ktFZMRcHapeU+ccNKarBDILveAfsW41qUEFgDUKWASPu8I9ZGWfYoEeQvkqRKqh57TgDJjds4Fei5ryGPu9qrGenkDyc5niOdpyfNjFtFxLN/xZvlwTqOOBbJNUPOUf1TL6/JmeEk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754276796; c=relaxed/simple; bh=XKr5AQLTpe/9o2Ut4mAq8cRpm/bxnnJLpr/to5+kjwI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=NIlttaW7+b2iSRltAMhu0T5v/d1thqyvQZGpGKD4CSoTECXFnyoBWMpRODiq/ZA1WwC8ESUHw92ImHy0ZJRRibPco6AbgTs42OHo9hXamhMxcvQa2N2FayzWE0DOumBUn9DWnBB87qB+D5xoVTX3eAHFzSZhijiEhuTsuEPJR+E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=V7JUQ43v; arc=none smtp.client-ip=220.197.31.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="V7JUQ43v" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=Ys qQmWamYIYco22fUSPqUsEq0HJ6AU5htrVCYU+nqmE=; b=V7JUQ43v2It6MWY9oK 7cPQOitHNMn/Bmbm0xRNn4pPkgBgAR6rxWPWE0HaaOPt4jJZjCKFcKKV2WEmd0XS Tl2Talb1JlOkjlM+0Mer0VDVSWCrVV1xEEs5gsMgVFRU4SlZE7GDRuFT8HdljgSh Xst/KdJA+5ZnV0dJJ2vYmHjLs= Received: from localhost.localdomain (unknown []) by gzga-smtp-mtada-g0-1 (Coremail) with SMTP id _____wBHOs5_I5BoPnvzJQ--.25158S2; Mon, 04 Aug 2025 11:05:39 +0800 (CST) From: wangdich9700@163.com To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com Cc: linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, wangdicheng Subject: [PATCH 1/2] ALSA: hda/realtek: Accelerate the front MIC charging and discharging of the 897 codec Date: Mon, 4 Aug 2025 11:05:17 +0800 Message-Id: <20250804030518.424229-1-wangdich9700@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wBHOs5_I5BoPnvzJQ--.25158S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7ZF13Xry8XFW8uw1DWry8Xwb_yoW8JFWfpr WrCFy3XFs3Xr4jyw48tr4fua4kGa45ZrW3C3yYk3W7XrsxuryktFyrG342v3W7KFWYkr1j qr1Fy34kJ3y5Kr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07UZ6pQUUUUU= X-CM-SenderInfo: pzdqwv5lfkmliqq6il2tof0z/1tbibgSfT2iQGr-xBwAAsR From: wangdicheng The front MIC capacitance of the Inspur board is too large, resulting in a longer charging and discharging time required, which in turn prevents recording for 5 seconds before startup. Therefore, software is used to increase the delay by 2 seconds to avoid this issue. Signed-off-by: wangdicheng --- sound/pci/hda/patch_realtek.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 877137cb09ac..88675eae9447 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1001,6 +1001,14 @@ static int alc_resume(struct hda_codec *codec) if (!spec->no_depop_delay) msleep(150); /* to avoid pop noise */ codec->patch_ops.init(codec); + + if (codec->core.subsystem_id == 0x10ec1304) { + snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x04); + msleep(50); + snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x44); + msleep(2000); + snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80); + } snd_hda_regmap_sync(codec); hda_call_check_power_status(codec, 0x01); return 0; -- 2.25.1