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Mon, 02 Nov 2026 23:40:53 -0800 (PST) Received: from [192.168.2.34] ([2403:581e:d87e:0:739f:50a5:e171:f133]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b07c903d0dsm2956769a91.12.2026.11.02.23.40.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2026 23:40:53 -0800 (PST) From: James Calligeros Date: Tue, 03 Nov 2026 17:39:53 +1000 Subject: [PATCH v4 05/22] ASoC: ops: Introduce 'snd_soc_ctl_activate' X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20261103-macaudio-v4-5-637484efe46d@gmail.com> References: <20261103-macaudio-v4-0-637484efe46d@gmail.com> In-Reply-To: <20261103-macaudio-v4-0-637484efe46d@gmail.com> To: David Rhodes , Richard Fitzgerald , =?utf-8?q?Martin_Povi=C5=A1er?= , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , James Calligeros , Jaroslav Kysela , Takashi Iwai , Matthias Brugger , AngeloGioacchino Del Regno , Shenghao Ding , Kevin Lu , Baojun Xu , Sen Wang , Sven Peter , Janne Grunau , Neal Gompa Cc: asahi@lists.linux.dev, linux-sound@vger.kernel.org, patches@opensource.cirrus.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2221; i=jcalligeros99@gmail.com; h=from:subject:message-id; bh=5hdczG9NEn27ni3LRkyWf48VrrSCYHeqmgsUnxw+t7c=; b=owGbwMvMwCV2xczoYuD3ygTG02pJDFkv+8/m/vxd8mT2w9wzJq9zHr7fds5GpJlvk/hZ7rBVm d+O7vvj3TGRhUGMi8FSTJFlQ5OQx2wjtpv9IpV7YeawMoEMkRZpYAACFga+3MS8UiMdIz1TbUM9 QyMdYx0jBi5OAZhqp05GhrWvelleP2jLfaEW47KL67PTlYtSmlO89EQ8JZyOOl2/pcfI0MSmciz Bue742WSjd8f01zrYWO2W/i56zGoSMydD2E0OPgA= X-Developer-Key: i=jcalligeros99@gmail.com; a=openpgp; fpr=B08212489B3206D98F1479BDD43632D151F77960 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261102_234054_564291_61EF3E0B X-CRM114-Status: GOOD ( 13.94 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 From: Martin Povišer This function mirrors wraps the sound/core 'snd_ctl_activate_id' for ASoC. Machine drivers may call it to lock down kcontrols during fixup_controls. Signed-off-by: Martin Povišer Signed-off-by: James Calligeros --- include/sound/soc.h | 2 ++ sound/soc/soc-ops.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/include/sound/soc.h b/include/sound/soc.h index f6b98324f346..fbef941157ee 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -565,6 +565,8 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_limit_volume(struct snd_soc_card *card, const char *name, int max); +int snd_soc_ctl_activate(struct snd_soc_card *card, + const char *name, int active); int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index 497ea82c1778..1d60e290e40e 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -473,6 +473,38 @@ int snd_soc_limit_volume(struct snd_soc_card *card, const char *name, int max) } EXPORT_SYMBOL_GPL(snd_soc_limit_volume); +/** + * snd_soc_ctl_activate - Activate/deactivate a control matching a name + * + * @card: where to look for the control + * @name: name + * @active: zero to deactivate, nonzero to activate + * + * Return: 0 if unchanged, 1 if changed, or a negative error code on failure. + */ +int snd_soc_ctl_activate(struct snd_soc_card *card, + const char *name, int active) +{ + struct snd_kcontrol *kctl; + int ret = -EINVAL; + + if (!name) + return ret; + + kctl = snd_soc_card_get_kcontrol(card, name); + + if (kctl) { + ret = snd_ctl_activate_id(card->snd_card, &kctl->id, active); + if (ret < 0) + return ret; + } else { + dev_dbg(card->dev, "Tried to de/activate unknown control '%s'\n", name); + } + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_ctl_activate); + int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { -- 2.56.0