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 38FF1C433F5 for ; Thu, 19 May 2022 17:48:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243256AbiESRsl (ORCPT ); Thu, 19 May 2022 13:48:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243145AbiESRsI (ORCPT ); Thu, 19 May 2022 13:48:08 -0400 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52A06663FC for ; Thu, 19 May 2022 10:48:07 -0700 (PDT) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24J6k19A002261; Thu, 19 May 2022 12:47:52 -0500 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=J0fR9KNlFufNc0MdSXybhI4lFVPpHlH9P+kE1CluQgE=; b=QYTDOaz6aW6hAuegxp5NakPZ/5EiCejl9QnqpMI+utTd/QTgJO/46d6rVuMf1kOSAg7v TORwxcFYdWAAy+LDJTcKhSbDG35lwZPkUeKxeLN/ORrT3Ug1dMC/dTl/FfCDddtGbfqS hpDHYPDIkJE0DApjBRu3Z9ik3bFgV5LYkT9Ae3clNtvHCoihOmAOmFn0T2D8l0WUdRww 0AUYIyWSPDHRzuX68IEu5nR9jm5M6kJPIJDUv3/8zkdiwWezgUBtpSB0pybrW3nTuUbn xfN39LJymNqu4ZZ0vh1+aaRd2D4Ll7/Hhnims+5duXqiowpnKOJF1rRzSXrmOFfDFu+K yQ== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3g29u37ted-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Thu, 19 May 2022 12:47:52 -0500 Received: from EDIEX01.ad.cirrus.com (198.61.84.80) by EDIEX02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 19 May 2022 18:47:50 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2375.24 via Frontend Transport; Thu, 19 May 2022 18:47:50 +0100 Received: from vitaly-Legion-7-16ACHg6.ad.cirrus.com (unknown [198.90.238.59]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 2812F458; Thu, 19 May 2022 17:47:50 +0000 (UTC) From: Vitaly Rodionov To: Jaroslav Kysela , Takashi Iwai , Mark Brown CC: , , , Stefan Binding Subject: [PATCH v3 02/17] ALSA: hda: hda_cs_dsp_ctl: Add apis to write the controls directly Date: Thu, 19 May 2022 18:47:34 +0100 Message-ID: <20220519174749.15459-3-vitalyr@opensource.cirrus.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220519174749.15459-1-vitalyr@opensource.cirrus.com> References: <20220519174749.15459-1-vitalyr@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-GUID: bO3RACdmFGlnrsAaJeqjEDT6Jrg2Uxlp X-Proofpoint-ORIG-GUID: bO3RACdmFGlnrsAaJeqjEDT6Jrg2Uxlp X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefan Binding DSP controls are exposed as ALSA controls, however, some of these controls are required to be accessed by the driver. Add apis which allow read/write of these controls. The write api will also notify the ALSA control on value change. Signed-off-by: Stefan Binding Signed-off-by: Vitaly Rodionov --- Changes since v2: - No change sound/pci/hda/hda_cs_dsp_ctl.c | 52 ++++++++++++++++++++++++++++++++++ sound/pci/hda/hda_cs_dsp_ctl.h | 4 +++ 2 files changed, 56 insertions(+) diff --git a/sound/pci/hda/hda_cs_dsp_ctl.c b/sound/pci/hda/hda_cs_dsp_ctl.c index 46df48ff2ae1..3b837d000a00 100644 --- a/sound/pci/hda/hda_cs_dsp_ctl.c +++ b/sound/pci/hda/hda_cs_dsp_ctl.c @@ -237,6 +237,58 @@ void hda_cs_dsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) } EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_control_remove, SND_HDA_CS_DSP_CONTROLS); +int hda_cs_dsp_write_ctl(struct cs_dsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len) +{ + struct cs_dsp_coeff_ctl *cs_ctl; + struct hda_cs_dsp_coeff_ctl *ctl; + struct snd_kcontrol *kctl; + int ret; + + cs_ctl = cs_dsp_get_ctl(dsp, name, type, alg); + if (!cs_ctl) + return -EINVAL; + + ctl = cs_ctl->priv; + + if (len > cs_ctl->len) + return -EINVAL; + + ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); + if (ret) + return ret; + + if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) + return 0; + + list_for_each_entry(kctl, &ctl->card->controls, list) + if (!strncmp(kctl->id.name, ctl->name, sizeof(kctl->id.name))) { + snd_ctl_notify(ctl->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); + return 0; + } + + dev_warn(dsp->dev, "Cannot find Control for %s\n", name); + + return 0; +} +EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_write_ctl, SND_HDA_CS_DSP_CONTROLS); + +int hda_cs_dsp_read_ctl(struct cs_dsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len) +{ + struct cs_dsp_coeff_ctl *cs_ctl; + + cs_ctl = cs_dsp_get_ctl(dsp, name, type, alg); + if (!cs_ctl) + return -EINVAL; + + if (len > cs_ctl->len) + return -EINVAL; + + return cs_dsp_coeff_read_ctrl(cs_ctl, 0, buf, len); +} +EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_read_ctl, SND_HDA_CS_DSP_CONTROLS); + MODULE_DESCRIPTION("CS_DSP ALSA Control HDA Library"); MODULE_AUTHOR("Stefan Binding, "); MODULE_LICENSE("GPL"); diff --git a/sound/pci/hda/hda_cs_dsp_ctl.h b/sound/pci/hda/hda_cs_dsp_ctl.h index 3c90312b45d6..65b9c5c68957 100644 --- a/sound/pci/hda/hda_cs_dsp_ctl.h +++ b/sound/pci/hda/hda_cs_dsp_ctl.h @@ -30,5 +30,9 @@ struct hda_cs_dsp_ctl_info { int hda_cs_dsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl, struct hda_cs_dsp_ctl_info *info); void hda_cs_dsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl); int hda_cs_dsp_remove_kcontrol(struct snd_card *card, const char *name); +int hda_cs_dsp_write_ctl(struct cs_dsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len); +int hda_cs_dsp_read_ctl(struct cs_dsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len); #endif /*__HDA_CS_DSP_CTL_H__*/ -- 2.34.1