From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Maestro3 hw volume buttons on HP OB6000 (need help from HP) Date: Fri, 19 Nov 2004 16:19:45 +0200 Message-ID: <20041119141945.GA27175@sci.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: alsa-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org List-Id: alsa-devel@alsa-project.org I've been trying to get the hardware volume buttons to work on my HP=20 OmniBook 6000 laptop. The audio chip is an ESS Maestro 3 and the specs = are=20 available. Unfortunately that doesn't seem to be enough to make the=20 buttons work. There is something messing with hw volume pins since I get a constant=20 flood of events. I can't enable the hw volume interrupt because the sys= tem=20 will hang under the interrupt load. It does appear that the the buttons= =20 are actually connected to the right pins since I can see some changes i= n=20 the data when I press the buttons (observed using another interrupt=20 source). The laptop requires a HP specific driver even under Windows. Otherwise = the=20 hw volume buttons don't behave properly (mute and vol up act as mute, v= ol=20 down does nothing). The standard driver doesn't hang the machine though= =2E I'd really appreciate some help from HP. --=20 Ville Syrj=E4l=E4 syrjala@sci.fi http://www.sci.fi/~syrjala/