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 8BEB233DE0D; Mon, 5 May 2025 22:37:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484660; cv=none; b=OFyM3o/xi8btreefA+n/20pV8myB7y8S5NU9FzaqvTXFrA8oIewkLbAfwobiJT7PuVyRO5v82378IuQdVxhfnSAH+NF4jm20VlUUa9HIY/aJEtySXaaqGmWO/UUS3Wjt0Mcx05UMHbS07k4gZa+TeA/WI5UG2b0ggGVX/7Sy9Tc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484660; c=relaxed/simple; bh=SaAZ5YJkRyvfrSgUrMmePOISIBScFqRsqLDvQq2gi5w=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=D/LeR34RZopoNb/KNwjJYarGTeggFY6iuuM6kXxYa3UT6idq1DE7gOJ8dYh2AoPgoP5HMeOPv3VCPv+eld6BjKONRjOYTO5cEgYcIV0yuwPBfT53l1QpbSCbdOSkeYZ4zx6RDbr5qm1pviOAlI9idFusbUoWEtgY2HyK4l38fOw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VJCuFm06; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VJCuFm06" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AD6EC4CEEE; Mon, 5 May 2025 22:37:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746484660; bh=SaAZ5YJkRyvfrSgUrMmePOISIBScFqRsqLDvQq2gi5w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VJCuFm06qgEWn/IqTW5ZpIPvsAc/HOIYejMfXXhq9fcJ86Lh7vSlQ8axItNHR7eMf gF0zwVN/lnb1k0YJqzHSS/KYtyh3zqtQC4uTtt3McT7GISGjoS5DPYQS+iubw8brFl KNOmms0HXi2BR5w3LXqysSucfcHTBzi8RhixqGlH9JqMCCq1g+Z8i7dAAWPwIhZb1a l7Sxb5P8c9RgP4AiFuZrkFQNRnUGzHQIUGnufh46f+DCAeZ1j+VNaltjwE1UYSnhty oM7v3YG7bXq/4RKUjoFVcmz4PNLe+j8CNzkub2hosHksKDzkDqZy+H917cM/uNYwL8 Qwpdne2vvH+ng== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ivaylo Dimitrov , Mark Brown , Sasha Levin , lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, javier.carrasco.cruz@gmail.com, linux-sound@vger.kernel.org Subject: [PATCH AUTOSEL 6.14 591/642] ASoC: cpcap: Implement .set_bias_level Date: Mon, 5 May 2025 18:13:27 -0400 Message-Id: <20250505221419.2672473-591-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505221419.2672473-1-sashal@kernel.org> References: <20250505221419.2672473-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.14.5 Content-Transfer-Encoding: 8bit From: Ivaylo Dimitrov [ Upstream commit 5b4288792ff246cf2bda0c81cebcc02d1f631ca3 ] With VAUDIO regulator being always on, we have to put it in low-power mode when codec is not in use to decrease power usage. Do so by implementing driver .set_bias_level callback. Signed-off-by: Ivaylo Dimitrov Link: https://patch.msgid.link/20250122164129.807247-3-ivo.g.dimitrov.75@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/cpcap.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/sound/soc/codecs/cpcap.c b/sound/soc/codecs/cpcap.c index 04304a7ad9153..53f549ede6a6f 100644 --- a/sound/soc/codecs/cpcap.c +++ b/sound/soc/codecs/cpcap.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -260,6 +261,7 @@ struct cpcap_audio { int codec_clk_id; int codec_freq; int codec_format; + struct regulator *vaudio; }; static int cpcap_st_workaround(struct snd_soc_dapm_widget *w, @@ -1637,6 +1639,11 @@ static int cpcap_soc_probe(struct snd_soc_component *component) snd_soc_component_set_drvdata(component, cpcap); cpcap->component = component; + cpcap->vaudio = devm_regulator_get(component->dev, "VAUDIO"); + if (IS_ERR(cpcap->vaudio)) + return dev_err_probe(component->dev, PTR_ERR(cpcap->vaudio), + "Cannot get VAUDIO regulator\n"); + cpcap->regmap = dev_get_regmap(component->dev->parent, NULL); if (!cpcap->regmap) return -ENODEV; @@ -1649,6 +1656,27 @@ static int cpcap_soc_probe(struct snd_soc_component *component) return cpcap_audio_reset(component, false); } +static int cpcap_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component); + + switch (level) { + case SND_SOC_BIAS_OFF: + break; + case SND_SOC_BIAS_PREPARE: + regulator_set_mode(cpcap->vaudio, REGULATOR_MODE_NORMAL); + break; + case SND_SOC_BIAS_STANDBY: + regulator_set_mode(cpcap->vaudio, REGULATOR_MODE_STANDBY); + break; + case SND_SOC_BIAS_ON: + break; + } + + return 0; +} + static const struct snd_soc_component_driver soc_codec_dev_cpcap = { .probe = cpcap_soc_probe, .controls = cpcap_snd_controls, @@ -1657,6 +1685,7 @@ static const struct snd_soc_component_driver soc_codec_dev_cpcap = { .num_dapm_widgets = ARRAY_SIZE(cpcap_dapm_widgets), .dapm_routes = intercon, .num_dapm_routes = ARRAY_SIZE(intercon), + .set_bias_level = cpcap_set_bias_level, .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, -- 2.39.5