From: Takashi Iwai <tiwai@suse.de>
To: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Takashi Iwai <tiwai@suse.com>, <alsa-devel@alsa-project.org>,
<kailang@realtek.com>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ALSA: hda/realtek: Reduce the Headphone static noise on XPS 9350/9360
Date: Mon, 07 Oct 2019 03:57:43 +0200 [thread overview]
Message-ID: <s5h1rvpjp0o.wl-tiwai@suse.de> (raw)
In-Reply-To: <20191003043919.10960-1-kai.heng.feng@canonical.com>
On Thu, 03 Oct 2019 06:39:19 +0200,
Kai-Heng Feng wrote:
>
> Headphone on XPS 9350/9360 produces a background white noise. The The
> noise level somehow correlates with "Headphone Mic Boost", when it sets
> to 1 the noise disappears. However, doing this has a side effect, which
> also decreases the overall headphone volume so I didn't send the patch
> upstream.
>
> The noise was bearable back then, but after commit 717f43d81afc ("ALSA:
> hda/realtek - Update headset mode for ALC256") the noise exacerbates to
> a point it starts hurting ears.
>
> So let's use the workaround to set "Headphone Mic Boost" to 1 and lock
> it so it's not touchable by userspace.
>
> Fixes: 717f43d81afc ("ALSA: hda/realtek - Update headset mode for ALC256")
> BugLink: https://bugs.launchpad.net/bugs/1654448
> BugLink: https://bugs.launchpad.net/bugs/1845810
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Applied now. Thanks.
Takashi
prev parent reply other threads:[~2019-10-07 1:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-03 4:39 [PATCH] ALSA: hda/realtek: Reduce the Headphone static noise on XPS 9350/9360 Kai-Heng Feng
2019-10-07 1:57 ` Takashi Iwai [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=s5h1rvpjp0o.wl-tiwai@suse.de \
--to=tiwai@suse.de \
--cc=alsa-devel@alsa-project.org \
--cc=kai.heng.feng@canonical.com \
--cc=kailang@realtek.com \
--cc=linux-kernel@vger.kernel.org \
--cc=tiwai@suse.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).