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 48543EE01F1 for ; Wed, 13 Sep 2023 17:16:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230057AbjIMRQj (ORCPT ); Wed, 13 Sep 2023 13:16:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231848AbjIMRQ1 (ORCPT ); Wed, 13 Sep 2023 13:16:27 -0400 Received: from out-212.mta0.migadu.com (out-212.mta0.migadu.com [91.218.175.212]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 099EB98 for ; Wed, 13 Sep 2023 10:16:22 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jookia.org; s=key1; t=1694625381; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3FeZkXz+JQqXeiU3HazldI8mgv0sJ787/pyCTmTegd4=; b=ZFkMudF4vLRf2wwyLkRMjGNESmuzTssdLkRAglApAJ8yPv6gK4CSmiVmSozhR/msO9T1X0 cwe809Oob+FAKFsjPNz50zFhGBQ6/MCMc1ZqLlbRyDxgja44nq1wiNyMteDtGAob8nGyaR 5ImsryHJjxA4FjkZpt6MY9Hi3jc7QgOLDHRYjP0oZj9ntRl9OdCRjCGGJTBvNDI7CnYOZx FOb9TDIIXM03aX7F+vEO2AP+PNTKhYSIlmGy1TYSmYKNeUMbI0/XCxvfLNV13unO0eurm3 X5O334si6FTqxRHh0IBJoZ9i+yGS3mhJ6pvlWEJo5n/we4vWKmDit3H4xCe/Rg== From: John Watts To: alsa-devel@alsa-project.org Cc: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , John Watts , patches@opensource.cirrus.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] ASoC: wm8782: Use wlf,fsampen device tree property Date: Thu, 14 Sep 2023 03:15:51 +1000 Message-ID: <20230913171552.92252-3-contact@jookia.org> In-Reply-To: <20230913171552.92252-1-contact@jookia.org> References: <20230913171552.92252-1-contact@jookia.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The wm8782 supports rates 96kHz and 192kHz as long as the hardware is configured properly. Allow this to be specified in the device tree. Signed-off-by: John Watts --- sound/soc/codecs/wm8782.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/wm8782.c b/sound/soc/codecs/wm8782.c index 63ab63f3189a..249b58b093d6 100644 --- a/sound/soc/codecs/wm8782.c +++ b/sound/soc/codecs/wm8782.c @@ -122,8 +122,9 @@ static const struct snd_soc_component_driver soc_component_dev_wm8782 = { static int wm8782_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; struct wm8782_priv *priv; - int ret, i; + int ret, i, fsampen; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -139,8 +140,26 @@ static int wm8782_probe(struct platform_device *pdev) if (ret < 0) return ret; - /* For configurations with FSAMPEN=0 */ - priv->max_rate = 48000; + // Assume lowest value by default to avoid inadvertent overclocking + fsampen = 0; + + if (np) + of_property_read_u32(np, "wlf,fsampen", &fsampen); + + switch (fsampen) { + case 0: + priv->max_rate = 48000; + break; + case 1: + priv->max_rate = 96000; + break; + case 2: + priv->max_rate = 192000; + break; + default: + dev_err(dev, "Invalid wlf,fsampen value"); + return -EINVAL; + } return devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_wm8782, &wm8782_dai, 1); -- 2.42.0