linux-kernel - PC Beeps not working with HDA Intel module

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Message-ID: <20100626112504.GA3365@pema>
Date:	Sat, 26 Jun 2010 13:25:04 +0200
From:	Shérab <Sebastien.Hinderer@...-lyon.org>
To:	Matthew Ranostay <mranostay@...eddedalley.com>,
	Takashi Iwai <tiwai@...e.de>,
	PeiSen Hou <pshou@...ltek.com.tw>, matt.jared@...el.com,
	andy.kopp@...el.com, dan.d.kogan@...el.com,
	Jaroslav Kysela <perex@...ex.cz>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Daniel T Chen <crimsun@...ntu.com>,
	Lydia Wang <lydiawang@...tech.com.cn>,
	alsa-devel@...a-project.org
Cc:	linux-kernel@...r.kernel.org
Subject: PC Beeps not working with HDA Intel module

Dear all,

The problem is on a computer with an HDA Intel sound card, Intel G45
DEVCTG chip and appears will all version s of the kernel.

Running e.g.
beep 440
produces a beep whose audible frequency is very low, definitely not 440
Hz.

However, it is worth notiing that grub is able to produce a beep of the
right frequency at boot time.

Can this problem be fixed ?

Should you need any additional bit of information or testing, please ask.

Many thanks in advance for your help,
Shérab.
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