From patchwork Wed Aug 21 13:06:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 11106679 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 85FAD1395 for ; Wed, 21 Aug 2019 13:08:57 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1AD1F22DD3 for ; Wed, 21 Aug 2019 13:08:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="Mbl+Yn99"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="GGA0PFtg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1AD1F22DD3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 2795A166B; Wed, 21 Aug 2019 15:08:04 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2795A166B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1566392934; bh=HKDqRM2nMnovFczuIlGROWo6Uz1ySXNN4G+cp95VB90=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=Mbl+Yn997tZjqvHWHPVfcTllR5STqFg/TXmN21dRGPrnpOKFNi+8KBWmJ4vyaJq70 xJTeJRxjxcX4Z55DBK59CZMx9uN+4/yj+GGy12yJkwgLzUKJj9yKb5FnGl44KeHUex QtQDIM509UOtCLQPwa6dkX6kQzBeOit8V342s5Fg= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 6A93AF8036B; Wed, 21 Aug 2019 15:07:13 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id CE2EBF80308; Wed, 21 Aug 2019 15:07:07 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=-0.1 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 3A0ABF80157 for ; Wed, 21 Aug 2019 15:07:03 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3A0ABF80157 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="GGA0PFtg" Received: from localhost (lfbn-1-17395-211.w86-250.abo.wanadoo.fr [86.250.200.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 71B30233A1; Wed, 21 Aug 2019 13:07:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566392821; bh=BBzaWBopHO0dXbT/Y5GDnPjB6CfdvBFxbOeeyx6S4ZQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GGA0PFtgjnfGGkKB0QnGIWKutIGHg+UW6n7Vpy7rybyGge9TyUJLVB1C5MJtMvxNc 1qx/u+NBFt6FzGOLWRVYI5CMxt0kXOlmc0Uf0iEeI7dhY08FJu82fEekiiwoJ8hhWV B+Nlxkgtsz4JHwE4tdXDl3Reob+rWtS/l3ibNxzw= From: Maxime Ripard To: Chen-Yu Tsai , Maxime Ripard , lgirdwood@gmail.com, broonie@kernel.org Date: Wed, 21 Aug 2019 15:06:53 +0200 Message-Id: <41a359d9885f397e066816961e5e3236afcbe0a1.1566392800.git-series.maxime.ripard@bootlin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 Cc: codekipper@gmail.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH v2 1/4] ASoC: sun4i-i2s: Use the physical / slot width for the clocks X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Maxime Ripard The clock dividers function has been using the word size to compute the clock rate at which it's supposed to be running, but the proper formula would be to use the physical width and / or slot width in TDM. It doesn't make any difference at the moment since all the formats supported have the same sample width and physical width, but it's not going to last forever. Fixes: 7d2993811a1e ("ASoC: sun4i-i2s: Add support for H3") Signed-off-by: Maxime Ripard --- sound/soc/sunxi/sun4i-i2s.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 8326b8cfa569..cdc3fa60ff33 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -290,7 +290,7 @@ static bool sun4i_i2s_oversample_is_valid(unsigned int oversample) static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai, unsigned int rate, unsigned int slots, - unsigned int word_size) + unsigned int slot_width) { struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); unsigned int oversample_rate, clk_rate, bclk_parent_rate; @@ -337,7 +337,7 @@ static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai, bclk_parent_rate = i2s->variant->get_bclk_parent_rate(i2s); bclk_div = sun4i_i2s_get_bclk_div(i2s, bclk_parent_rate, - rate, slots, word_size); + rate, slots, slot_width); if (bclk_div < 0) { dev_err(dai->dev, "Unsupported BCLK divider: %d\n", bclk_div); return -EINVAL; @@ -458,6 +458,7 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, { struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); unsigned int word_size = params_width(params); + unsigned int slot_width = params_physical_width(params); unsigned int channels = params_channels(params); unsigned int slots = channels; int ret, sr, wss; @@ -467,7 +468,7 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, slots = i2s->slots; if (i2s->slot_width) - word_size = i2s->slot_width; + slot_width = i2s->slot_width; ret = i2s->variant->set_chan_cfg(i2s, params); if (ret < 0) { @@ -490,14 +491,15 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, if (sr < 0) return -EINVAL; - wss = i2s->variant->get_wss(i2s, word_size); + wss = i2s->variant->get_wss(i2s, slot_width); if (wss < 0) return -EINVAL; regmap_field_write(i2s->field_fmt_wss, wss); regmap_field_write(i2s->field_fmt_sr, sr); - return sun4i_i2s_set_clk_rate(dai, params_rate(params), slots, word_size); + return sun4i_i2s_set_clk_rate(dai, params_rate(params), + slots, slot_width); } static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,