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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 AEC7EC433E9 for ; Fri, 5 Mar 2021 17:35:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A09865085 for ; Fri, 5 Mar 2021 17:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230023AbhCERfT (ORCPT ); Fri, 5 Mar 2021 12:35:19 -0500 Received: from mx0a-001ae601.pphosted.com ([67.231.149.25]:65262 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229772AbhCERfE (ORCPT ); Fri, 5 Mar 2021 12:35:04 -0500 Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 125HWXhR005984; Fri, 5 Mar 2021 11:34:52 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=LjimsOIJaPJ3rhF/8lufgH8um0BqHRwsGSvIIxHf3NM=; b=KuZYqZibMU2lqlElPKvOkyxbNHEBYYJ53553N70I0JzmdePsXvpjMeMVTuLyE0poSJCT xgD1zIxv+45vHCuCOgnqNGKU+Z1VTWUYaJd0qvJ/4nEDk8rNgDKt467ELgv0zhZGfckz 3mY8nSWWF8ZKvAd5/Q/ncnvyn1++WmxgqLYhRKaNSvTmx4NXeYOGNuV/fHTsd91xk63I IRK07cLRpGrmAuGNOGS6b2Sn4ixmVOT58Gk6ugJa4mLl9dBiUzUS6CF1vnvtU+A/P8Gi /eV7inCTxkyQNboiELvniDWcvOyOgk3UoXwELSeudUJLqp3CMUu1lqVJWJM2vYl8mjdb Pw== Received: from ediex01.ad.cirrus.com ([87.246.76.36]) by mx0a-001ae601.pphosted.com with ESMTP id 36ymc70eyv-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 05 Mar 2021 11:34:52 -0600 Received: from EDIEX01.ad.cirrus.com (198.61.84.80) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 5 Mar 2021 17:34:49 +0000 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Fri, 5 Mar 2021 17:34:49 +0000 Received: from mail1.cirrus.com (unknown [198.61.64.35]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 65D1A11D7; Fri, 5 Mar 2021 17:34:49 +0000 (UTC) From: Lucas Tanure To: James Schulman , David Rhodes , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai CC: Richard Fitzgerald , , , , Lucas Tanure Subject: [PATCH v2 14/15] ASoC: cs42l42: Only start PLL if it is needed Date: Fri, 5 Mar 2021 17:34:41 +0000 Message-ID: <20210305173442.195740-15-tanureal@opensource.cirrus.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210305173442.195740-1-tanureal@opensource.cirrus.com> References: <20210305173442.195740-1-tanureal@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 clxscore=1015 suspectscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 spamscore=0 priorityscore=1501 mlxlogscore=999 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103050090 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Richard Fitzgerald The PLL is only needed for sclk < 11289600 Hz and cs42l42_pll_config() will not configure it for higher rates. So it must only be enabled when it is needed. Signed-off-by: Richard Fitzgerald Signed-off-by: Lucas Tanure --- Changes in v2: - Lucas signed-off added sound/soc/codecs/cs42l42.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 4181765d99af7..066068a7ffa0c 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -887,8 +887,9 @@ static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream) } else { if (!cs42l42->stream_use) { /* SCLK must be running before codec unmute */ - snd_soc_component_update_bits(component, CS42L42_PLL_CTL1, - CS42L42_PLL_START_MASK, 1); + if ((cs42l42->bclk < 11289600) && (cs42l42->sclk < 11289600)) + snd_soc_component_update_bits(component, CS42L42_PLL_CTL1, + CS42L42_PLL_START_MASK, 1); /* Mark SCLK as present, turn off internal oscillator */ regmap_multi_reg_write(cs42l42->regmap, cs42l42_to_sclk_seq, -- 2.30.1