From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH] ALSA: hda - program ICT bits to support HBR audio Date: Tue, 19 Sep 2017 22:07:18 +0530 Message-ID: <20170919163717.GN30097@localhost> References: <1505833201-22363-1-git-send-email-subhransu.s.prusty@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by alsa0.perex.cz (Postfix) with ESMTP id E1FB62671C3 for ; Tue, 19 Sep 2017 18:33:32 +0200 (CEST) Content-Disposition: inline In-Reply-To: <1505833201-22363-1-git-send-email-subhransu.s.prusty@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: "Subhransu S. Prusty" Cc: alsa-devel@alsa-project.org, tiwai@suse.de, Sriram Periyasamy , lgirdwood@gmail.com, Pierre-Louis Bossart , patches.audio@intel.com, broonie@kernel.org List-Id: alsa-devel@alsa-project.org On Tue, Sep 19, 2017 at 08:30:01PM +0530, Subhransu S. Prusty wrote: > From: Sriram Periyasamy > > On recent Intel platforms (Haswell, Broadwell, Skylake, ApolloLake, > KabyLake, ...), the IEC Coding Type (ICT) bitfield in the Digital > Converter Control #3 needs to be set explicitly for HDMI/DisplayPort > High Bit Rate (HBR) audio playback to work. This was not required in > earlier platforms when HBR was first introduced. The ICT bits are > defined in Section 7.3.3.9 of the HDaudio 1.0a specification. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98797 > > Signed-off-by: Sriram Periyasamy > Signed-off-by: Pierre-Louis Bossart > Signed-off-by: Subhransu S. Prusty Acked-By: Vinod Koul -- ~Vinod