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=-16.7 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=unavailable 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 A78B9C433E0 for ; Tue, 2 Mar 2021 20:44:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5EB0164F2A for ; Tue, 2 Mar 2021 20:44:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1837272AbhCBUn3 (ORCPT ); Tue, 2 Mar 2021 15:43:29 -0500 Received: from mx0a-001ae601.pphosted.com ([67.231.149.25]:24126 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1574599AbhCBRv1 (ORCPT ); Tue, 2 Mar 2021 12:51:27 -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 122H1q3R022910; Tue, 2 Mar 2021 11:05:06 -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=BlITpc+8LUc8YUUNDZ/zH8afps/bPW5/12PI8EDBGfg=; b=XczIc32Sfb/7lkP3LQfaYc/Y5RlTZYYo96b5SO5yhvfFCGEz9wIxOARbGsVmDouyFus2 BnlTxmE/sVcHKwPvFzIA8nBLl28KIa4jHjpRQz0QBhIFKQnZCXsZGJQIFaxriMU94osO 1mUmTHxc6kHX0CcH21NIIazeXwO76XLb+/8a76ej4piPtsxBKvqOV35dQ9+RdRJyhUPt j8Opfnx/ehI56qR2trh8ey1bO91tvCFLKX4o99LZM3qq9lRoGwwIVUaY9qNScVhv+4tn d3bJD6s3eAizPYX6VcVN4m+ZwHJCVfN6BhZtkgh70t0RbWsbIcIRHzotsQSRdqld5Adt /A== Received: from ediex01.ad.cirrus.com ([87.246.76.36]) by mx0a-001ae601.pphosted.com with ESMTP id 36ymc6usg9-8 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 02 Mar 2021 11:05:06 -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 15.1.1913.5; Tue, 2 Mar 2021 17:05:02 +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 15.1.1913.5 via Frontend Transport; Tue, 2 Mar 2021 17:05:02 +0000 Received: from mail1.cirrus.com (unknown [198.61.64.35]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 85FC511D6; Tue, 2 Mar 2021 17:05:02 +0000 (UTC) From: Lucas Tanure To: James Schulman , David Rhodes , Mark Brown , Liam Girdwood CC: Richard Fitzgerald , , , Lucas Tanure , Subject: [PATCH 13/15] ASoC: cs42l42: Only start PLL if it is needed Date: Tue, 2 Mar 2021 17:04:52 +0000 Message-ID: <20210302170454.39679-14-tanureal@opensource.cirrus.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210302170454.39679-1-tanureal@opensource.cirrus.com> References: <20210302170454.39679-1-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-2103020131 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 --- 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 5755f8baddbcf..68b5a450623d3 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -855,8 +855,9 @@ 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