From patchwork Wed Aug 19 14:44:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sameer Pujar X-Patchwork-Id: 265879 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 BCD0CC433E1 for ; Wed, 19 Aug 2020 14:44:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8682C207BB for ; Wed, 19 Aug 2020 14:44:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="Ecu/ODBI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726792AbgHSOo6 (ORCPT ); Wed, 19 Aug 2020 10:44:58 -0400 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:4386 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726578AbgHSOo6 (ORCPT ); Wed, 19 Aug 2020 10:44:58 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 19 Aug 2020 07:43:04 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 19 Aug 2020 07:44:58 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 19 Aug 2020 07:44:58 -0700 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 19 Aug 2020 14:44:54 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 19 Aug 2020 14:44:53 +0000 Received: from audio.nvidia.com (Not Verified[10.24.34.185]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Wed, 19 Aug 2020 07:44:52 -0700 From: Sameer Pujar To: , CC: , , , , , Sameer Pujar , Subject: [PATCH] ALSA: hda: avoid reset of sdo_limit Date: Wed, 19 Aug 2020 20:14:33 +0530 Message-ID: <1597848273-25813-1-git-send-email-spujar@nvidia.com> X-Mailer: git-send-email 2.7.4 X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1597848184; bh=r259BE/Wv/192bTP/TCyvzCie6DbWCgPuvthR/nJltQ=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: X-NVConfidentiality:MIME-Version:Content-Type; b=Ecu/ODBICncWcP0dg0JsCV7FRbRSnUqbk/Ft+GUPzyLqLLVoquI+v0jkGHvV/pJXk CBYqHC4HjwVrM1m9RYJi785xNN0M7UZS1A2gpYlMiF7TGlwd2NJzGeo71R8aDAGD2i wlH23T6yNpM4V/wmoCxc+J1s5KRTDVinuw6jcrLp42113HHq9f03zBlTkbkPXk5OKm xNrvv2oGHIq5qRgiWizdodtisOT9F8YpP8cEGnpaUqbszfT9NosHWoXXdy0kHPHE7+ BpunBnyMDEjqos0NvUnRwoWzuozHoYw8P+mozSJq1jliIK0m4t/8j/+aUsz6tPOlXq D1SVhSTbwzA0g== Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org By default 'sdo_limit' is initialized with a default value of '8' as per spec. This is overridden in cases where a different value is required. However this is getting reset when snd_hdac_bus_init_chip() is called again, which happens during runtime PM cycle. Avoid reset by not initializing to default value everytime. Fixes: 67ae482a59e9 ("ALSA: hda: add member to store ratio for stripe control") Cc: Signed-off-by: Sameer Pujar --- sound/hda/hdac_controller.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c index 011b17c..0e26e96 100644 --- a/sound/hda/hdac_controller.c +++ b/sound/hda/hdac_controller.c @@ -538,7 +538,8 @@ bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset) * { ((num_channels * bits_per_sample * rate/48000) / * number of SDOs) >= 8 } */ - bus->sdo_limit = 8; + if (!bus->sdo_limit) + bus->sdo_limit = 8; return true; }