From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 625A320316 for ; Mon, 6 Nov 2023 13:16:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="MtsRBLmN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0BBFC433C8; Mon, 6 Nov 2023 13:16:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1699276589; bh=v89wM95YP14nzNH4XWDNDh8EtSOBM9joSOosKj4OUSs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MtsRBLmNWztdb6a9ORLwPdegd6eHedFMcxDvNAlBAz3vmW5TDZ/AjmvxsVL4ScaO7 Faou8p9/udrdkzhY2/rROd+x/nxMEuvMa4w9rWJD6Zi8+yoHeVBzcotHdyExfUL0n2 uH5UxJO9SoZo3+rzZxe9IyYOrnicel2iRIZHaHOA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Krzysztof Kozlowski , Mark Brown , Sasha Levin Subject: [PATCH 6.5 31/88] ASoC: soc-dapm: Add helper for comparing widget name Date: Mon, 6 Nov 2023 14:03:25 +0100 Message-ID: <20231106130306.929278086@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231106130305.772449722@linuxfoundation.org> References: <20231106130305.772449722@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Krzysztof Kozlowski [ Upstream commit 76aca10ccb7c23a7b7a0d56e0bfde2c8cdddfe24 ] Some drivers use one event callback for multiple widgets but still need to perform a bit different actions based on actual widget. This is done by comparing widget name, however drivers tend to miss possible name prefix. Add a helper to solve common mistakes. Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20231003155710.821315-2-krzysztof.kozlowski@linaro.org Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- include/sound/soc-dapm.h | 1 + sound/soc/soc-component.c | 1 + sound/soc/soc-dapm.c | 12 ++++++++++++ 3 files changed, 14 insertions(+) diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 87f8e1793af15..295d63437e4d8 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -423,6 +423,7 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai); +int snd_soc_dapm_widget_name_cmp(struct snd_soc_dapm_widget *widget, const char *s); /* dapm path setup */ int snd_soc_dapm_new_widgets(struct snd_soc_card *card); diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c index 4356cc320fea0..10b5fe5a3af85 100644 --- a/sound/soc/soc-component.c +++ b/sound/soc/soc-component.c @@ -242,6 +242,7 @@ int snd_soc_component_notify_control(struct snd_soc_component *component, char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; struct snd_kcontrol *kctl; + /* When updating, change also snd_soc_dapm_widget_name_cmp() */ if (component->name_prefix) snprintf(name, ARRAY_SIZE(name), "%s %s", component->name_prefix, ctl); else diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 3091e8160bad7..5fd32185fe63d 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2726,6 +2726,18 @@ int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream, } EXPORT_SYMBOL_GPL(snd_soc_dapm_update_dai); +int snd_soc_dapm_widget_name_cmp(struct snd_soc_dapm_widget *widget, const char *s) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(widget->dapm); + const char *wname = widget->name; + + if (component->name_prefix) + wname += strlen(component->name_prefix) + 1; /* plus space */ + + return strcmp(wname, s); +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_widget_name_cmp); + /* * dapm_update_widget_flags() - Re-compute widget sink and source flags * @w: The widget for which to update the flags -- 2.42.0