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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F1FCC4332F for ; Wed, 24 Nov 2021 22:06:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351990AbhKXWJ5 (ORCPT ); Wed, 24 Nov 2021 17:09:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345341AbhKXWJs (ORCPT ); Wed, 24 Nov 2021 17:09:48 -0500 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22C23C061758; Wed, 24 Nov 2021 14:06:38 -0800 (PST) Received: by mail-lf1-x133.google.com with SMTP id t26so10920046lfk.9; Wed, 24 Nov 2021 14:06:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=c5Fktc8z3pKDnGBiR9xJxzlv3HvufbR7qsaFtUM4qP0=; b=J+ph0bGfDz+0f3SGqVBhKJcKJtE145w0Qd6X3dDnesGFzTRO3D1oKZZSXP/i31IGrL p1luco5cjM6V7Cg8Ikv1d/qcpY5z9yIUKJG+CTO0D7xvFfh5tPLkhUIV92H0l1HkZ7pB vEZkYlEuWq5wqgJtgjc4Sfx61LwcS3Yf0NrKKwdJicwDHo0atAO2jNPn1mctE6+eQID5 38nBlkG/XgtkZR+0ETbCCuqvYOykfTMwvVp8lRlO5cjYyCElqzRbF0YQUHnhAIgdM8lo qzgD5yJd/FI6D/F7JpmnzqTjwHkYOgiZamAhCDdQz+r20/xvJwhCv96wID4QmvMihIKs FD6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=c5Fktc8z3pKDnGBiR9xJxzlv3HvufbR7qsaFtUM4qP0=; b=ZuR9VT4CJTIi8by7byaDbAtgEh9KWs9AO6qziUBrVpggyyuA7DDbRNN+quEufpqKQs QPEW4GtvJGUKOFYM/u/Td6JAjm9BPb/CZd3fzsU54GuOwcFFVNZgT14/Q0YE9thL7gNa O/S+xpPMJYt0I3MNy1dIN/VNS10xA8DgUrzogR/iYLT/y6fJ7Z9epShdZHy0UKFQG/Xj 9mc06nurUE+71gqPsKychcMHuuSRTMNHi2dTyCHarbCW+vQCEDjgNt24RZAm5aDNXOSL 64AT9ok0Xlzvsl99ZwAQWjMu5rFG4m1ZK8kSCDA1T7Tr4Hc75BB2Byjs1Qzxm20z7nR2 Elhg== X-Gm-Message-State: AOAM53242RVWJlGr4COucllNsMrZ8ZjzsYPivL1LaplK7T8ksFNiYl10 K7H/L6oRdyve0IIAS6VFukM= X-Google-Smtp-Source: ABdhPJwux3qwntifRbiT4YwO9EgIoEEHEAiuyxDM9ZVeZbtEWZwxZ2RjX4+Z+AMZAYBRz8ID00EvdQ== X-Received: by 2002:a05:6512:3ba6:: with SMTP id g38mr18521398lfv.330.1637791596481; Wed, 24 Nov 2021 14:06:36 -0800 (PST) Received: from localhost.localdomain (94-29-48-99.dynamic.spd-mgts.ru. [94.29.48.99]) by smtp.gmail.com with ESMTPSA id w17sm93266ljh.15.2021.11.24.14.06.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Nov 2021 14:06:36 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Takashi Iwai , Jaroslav Kysela , Liam Girdwood , Agneli , Rob Herring Cc: linux-tegra@vger.kernel.org, Arnd Bergmann , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v1 07/20] ASoC: tegra20: spdif: Set FIFO trigger level Date: Thu, 25 Nov 2021 01:00:44 +0300 Message-Id: <20211124220057.15763-8-digetx@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211124220057.15763-1-digetx@gmail.com> References: <20211124220057.15763-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Program FIFO trigger level properly to fix x4 accelerated playback. Signed-off-by: Dmitry Osipenko --- sound/soc/tegra/tegra20_spdif.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c index bd81df5378d1..6650875d2555 100644 --- a/sound/soc/tegra/tegra20_spdif.c +++ b/sound/soc/tegra/tegra20_spdif.c @@ -70,6 +70,14 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_CTRL, mask, val); + /* + * FIFO trigger level must be bigger than DMA burst or equal to it, + * otherwise data is discarded on overflow. + */ + regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_DATA_FIFO_CSR, + TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_MASK, + TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU4_WORD_FULL); + switch (params_rate(params)) { case 32000: spdifclock = 4096000; -- 2.33.1