From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E19C6C3A5A9 for ; Mon, 4 May 2020 08:16:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B87B720746 for ; Mon, 4 May 2020 08:16:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="GgqI2nXc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728134AbgEDIQi (ORCPT ); Mon, 4 May 2020 04:16:38 -0400 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:6427 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727878AbgEDIQh (ORCPT ); Mon, 4 May 2020 04:16:37 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 04 May 2020 01:14:30 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 04 May 2020 01:16:37 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 04 May 2020 01:16:37 -0700 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 4 May 2020 08:16:36 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 4 May 2020 08:16:36 +0000 Received: from audio.nvidia.com (Not Verified[10.24.34.185]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Mon, 04 May 2020 01:16:35 -0700 From: Sameer Pujar To: , CC: , , , , , , , , , , , Sameer Pujar Subject: [PATCH 0/3] Tegra194 HW Fixes Date: Mon, 4 May 2020 13:46:13 +0530 Message-ID: <1588580176-2801-1-git-send-email-spujar@nvidia.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1588580070; bh=zUEiA6/N+ok9bG2zchOM1YIm2uvHGbS/o7XvZezsxfM=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type; b=GgqI2nXcuC6ccVS6bieRn5Iw7/KjOyCod8MRs9TCbQcNxbiOTQV8sblj3cBiNIjGf p6hU0CwveBHLEgKfzNUS1XKAPKV7ONCxWbbnUMzRX3ymljjqibisdZUJDcWbamKKXu BJF9XpoTAOtIvI5BciTZAJUsyL5Nc68G+JqIMGy/uwxKuXc4+f6E250YoRFpaTzDA0 IpdXP6xBP+elHtR5gyh4BQ7EgKdrl9W9So2zPWh2XyZPPMobiFlKVHUj8w845iUlkx bZj/YSV+HRfogPSl1+2Z8MX8rCtow1e6oj5QLvH2+YfYVwCXUO6X4Z4Wt9hjr71IgB voxUOYky7/L+w== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series proposes SW workarounds for Tegra194 HDA HW bugs. Following are the two issues seen: 1. GCAP register does not reflect true capability. The actual number of SDO lines is "4", where as it reflects "2". 2. With 4 SDO line configuration playback fails for, 44.1K/48K, 2-channel, 16-bps audio stream. After fixing [1], issue [2] is uncovered. As per recommendation by Tegra HW team the workarounds are pushed. Testing done ============ * Verify GCAP register after registering HDA sound card * Verify audio playback for 44.1K/48K, 2-channel, 16-bps. Sameer Pujar (3): ALSA: hda/tegra: correct number of SDO lines for Tegra194 ALSA: hda: add member to store ratio for stripe control ALSA: hda/tegra: workaround playback failure on Tegra194 include/sound/hdaudio.h | 3 +++ sound/hda/hdac_controller.c | 11 ++++++++++ sound/hda/hdac_stream.c | 2 +- sound/pci/hda/hda_tegra.c | 50 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 65 insertions(+), 1 deletion(-) -- 2.7.4