From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CE03363C45 for ; Fri, 3 Jul 2026 05:56:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783058204; cv=none; b=p1WBZQLNOtw9imheuBX6mQDfeNFm5fSEjJpJEC8HBosIGUjZBLZ7TBFQx+mNHCa5HXSi1ypwJwSuIC8k5tAKijb2qUnOcYYewu+5+mnCs8GILdwq23qHB+gsSXtCc48S0nX+e6sm7p3czey1Cuf+qnxa/aGBBHvtYtAl6PdSjVc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783058204; c=relaxed/simple; bh=N9XefsmTuQIhsLuj0jk+mCnfDsoYJd7P0bPTXStmv98=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UKefDa3Xrss99K0kjvr1A+A+xALpfDjAebv0BWtVjaKh85HSae3zeHK/rSubWKV/abHB/2+iDW6NPulpzlyHgpHphv8EO4cRKFXZYvGJJyvh2DFDpuaOayLIqIMnuZMScWP9avYeqoYSmv+fBftRuT+Nv5Gdi2tPEBlSb8yzlnI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=eooggavy; arc=none smtp.client-ip=209.85.210.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eooggavy" Received: by mail-pf1-f174.google.com with SMTP id d2e1a72fcca58-84780c95e2eso122065b3a.3 for ; Thu, 02 Jul 2026 22:56:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783058202; x=1783663002; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=IqrKE+7pLzjB2G6upCJC8acTEqQcl0iRkvkciw/YIaE=; b=eooggavyLORKSEkbYltt/xOrfLEHx4VV97ha4ESJnNQMD0QWHYiMaAYB47mkO0xuDv LKY3wsh1BwFImNOXBsktg/UD4nVEvCULEYWHjvOW8LMNURNSBGT5I1xw0MX8jTbRLT14 AuF1cygy3S6D+wRZvlDexiAYr3wobpShqTKBngUPL/iMMJGtAuuwslb5P+Kq+4SvpBPG pCNjDWkn+sbQAF4YzSnhFvWyrEnyDkCOqwZCE4q554pRNUdAiPrabwL6ZdbFTmj0IK37 3fVYTniz8kmzUb+dSP3BPq5DZg98exAJseq8CC/N2DAqYq35lkDqzaAvsHlydEIhpApA 0BWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783058202; x=1783663002; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=IqrKE+7pLzjB2G6upCJC8acTEqQcl0iRkvkciw/YIaE=; b=LhVsCGx3n2y43a6kwRYySRzowtT/fKFbIbYnS4Eb3oJUBj4z6K/5vlhGHXE5Ytsjk4 mbi/GZYGG/5VdJOa2YqXDvm5dHnLjnkNcSH4eD9mVwFm1mw+H+TwRKwe0ScrI7/kvtzH /y5klzIABtwwzUB1bLD7BbyrTxbd7v/6R3jKy3G5Fw5ukc0QxVG7yrJjcYSgRoc+mhlt LIvDlQ4p5qhbW4vsokEowEWPyICrz45CKtFSn+nTXwMkNaQQq9giRGrHnZfIEWCORxjK elBDPYSyMnuHNnwBX0kLZMKn4TBygnj8uCjdzcHHKSYjwb/FT0bgo9cN/AMQ8B+F3Q5G 8fhw== X-Forwarded-Encrypted: i=1; AHgh+RocNYPX+CUMhpkfcmdtX5Rhhkm1Jky7+lPByY/4WSIIGhlh4KbLDQ9GZVJsQejCUYEMv0wHuYN1MLOYqw4=@vger.kernel.org X-Gm-Message-State: AOJu0YyfsQcoNo1yv8CkEGtcUjUV/QmEly1NzYQW0Uq4m7y+gCf4Vyht jdAOPLLOcHqStN8lYnoNCzkhX5cKs5EsLx8M+shlSlj7tTHJRVsqcGOs X-Gm-Gg: AfdE7cluNSMTcYJrWZKaAhxPPp+On4dE51d22jk7uCh7DxawRXYuLcr1/l0U/8fm9Yk vREmgEo9wJkgOwFmn7N3nlFlUYs7InrxlsH2TQkylto9h+4OvbI+kBXI8rk7yWJbcnG1uWHncRh WK/1yvmfwokXW8KsHRvcBrrZXE0EEvi2ViFIiQrKkZj6U9tNCH6nmMyo6sn6IMVlmh1UOc+XBjb jJ0bEj4x5y5vJnXMvfQyqG7llBBUj0EdMhbCywjENONyhtbdqzUoBqJ/35g6Khub7/jwDj64Ab2 9PsTfQrE/ZvR68jlusi/WpweHXJzAiAlI34hs8GcIxOUfXPr7TZSsD1K6ZXl9XNqMIlB9QezFwh 2DMJGKMCHwssbzXTk0r1PQrmQjh3ru0uh1YexMZ/8hv/z8AEbvLDcyzadqhbzCSbMrMRd0fyec+ 3Ar7A3izVbyqREtvZNMoxeCms7j3PCAIMVZgVNF3orn5xteOU= X-Received: by 2002:a05:6a00:bb05:b0:83e:f228:b112 with SMTP id d2e1a72fcca58-847c5141b3cmr7950079b3a.34.1783058202202; Thu, 02 Jul 2026 22:56:42 -0700 (PDT) Received: from phuc-desktop.. ([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-847cb94b3e6sm2340028b3a.33.2026.07.02.22.56.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2026 22:56:41 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Takashi Iwai , Tzung-Bi Shih , David Rhodes , Charles Keepax Cc: Liam Girdwood , Jaroslav Kysela , Cheng-Yi Chiang , Guenter Roeck , Benson Leung , Richard Fitzgerald , povik+lin@cutebit.org, u.kleine-koenig@baylibre.com, kuninori.morimoto.gx@renesas.com, christian.ehrhardt@codasip.com, Linus Walleij , Arnd Bergmann , Sakari Ailus , Thorsten Blum , Chris Morgan , Dan Carpenter , Marco Crivellari , Rosen Penev , Weidong Wang , Teguh Sobirin , Val Packett , Luca Weiss , wangdicheng , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com, chrome-platform@lists.linux.dev, asahi@lists.linux.dev, bui duc phuc Subject: [PATCH v2 15/24] ASoC: codecs: cs42l43: Use guard() and PM runtime scope helpers Date: Fri, 3 Jul 2026 12:53:46 +0700 Message-ID: <20260703055355.244898-16-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260703055355.244898-1-phucduc.bui@gmail.com> References: <20260703055355.244898-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Convert mutex locking to guard(mutex) and replace explicit runtime PM handling with runtime PM scope helpers. This simplifies the control flow by removing explicit cleanup paths and unnecessary 'goto' labels. Signed-off-by: bui duc phuc --- Changes in v2: Switched to a helper function to avoid code duplication, while keeping the guard() conversion since it eliminates 12 goto labels. sound/soc/codecs/cs42l43-jack.c | 120 ++++++++++++++------------------ sound/soc/codecs/cs42l43.c | 16 ++--- 2 files changed, 58 insertions(+), 78 deletions(-) diff --git a/sound/soc/codecs/cs42l43-jack.c b/sound/soc/codecs/cs42l43-jack.c index 934666295ee3..bbb9a03efcaf 100644 --- a/sound/soc/codecs/cs42l43-jack.c +++ b/sound/soc/codecs/cs42l43-jack.c @@ -6,6 +6,7 @@ // Cirrus Logic International Semiconductor Ltd. #include +#include #include #include #include @@ -67,6 +68,21 @@ static int cs42l43_find_index(struct cs42l43_codec *priv, const char * const pro return -EINVAL; } +static void cs42l43_apply_accdet_config(struct cs42l43_codec *priv, + unsigned int autocontrol, + unsigned int pdncntl) +{ + struct cs42l43 *cs42l43 = priv->core; + + regmap_update_bits(cs42l43->regmap, CS42L43_HS_BIAS_SENSE_AND_CLAMP_AUTOCONTROL, + CS42L43_JACKDET_MODE_MASK | CS42L43_S0_AUTO_ADCMUTE_DISABLE_MASK | + CS42L43_HSBIAS_SENSE_TRIP_MASK, autocontrol); + regmap_update_bits(cs42l43->regmap, CS42L43_PDNCNTL, + CS42L43_RING_SENSE_EN_MASK, pdncntl); + + dev_dbg(priv->dev, "Successfully configured accessory detect\n"); +} + int cs42l43_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jack, void *d) { @@ -80,31 +96,34 @@ int cs42l43_set_jack(struct snd_soc_component *component, dev_dbg(priv->dev, "Configure accessory detect\n"); - ret = pm_runtime_resume_and_get(priv->dev); + PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(priv->dev, pm); + ret = PM_RUNTIME_ACQUIRE_ERR(&pm); if (ret) { dev_err(priv->dev, "Failed to resume for jack config: %d\n", ret); return ret; } - mutex_lock(&priv->jack_lock); + guard(mutex)(&priv->jack_lock); priv->jack_hp = jack; - if (!jack) - goto done; + if (!jack) { + cs42l43_apply_accdet_config(priv, autocontrol, pdncntl); + return 0; + } ret = device_property_count_u32(cs42l43->dev, "cirrus,buttons-ohms"); if (ret != -EINVAL) { if (ret < 0) { dev_err(priv->dev, "Property cirrus,buttons-ohms malformed: %d\n", ret); - goto error; + return ret; } if (ret > CS42L43_N_BUTTONS) { ret = -EINVAL; dev_err(priv->dev, "Property cirrus,buttons-ohms too many entries\n"); - goto error; + return ret; } ret = device_property_read_u32_array(cs42l43->dev, "cirrus,buttons-ohms", @@ -112,7 +131,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, if (ret < 0) { dev_err(priv->dev, "Property cirrus,button-ohms malformed: %d\n", ret); - goto error; + return ret; } } else { priv->buttons[0] = 70; @@ -124,7 +143,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, ret = cs42l43_find_index(priv, "cirrus,detect-us", 50000, &priv->detect_us, cs42l43_accdet_us, ARRAY_SIZE(cs42l43_accdet_us)); if (ret < 0) - goto error; + return ret; hs2 |= ret << CS42L43_AUTO_HSDET_TIME_SHIFT; @@ -134,7 +153,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, &priv->bias_ramp_ms, cs42l43_accdet_ramp_ms, ARRAY_SIZE(cs42l43_accdet_ramp_ms)); if (ret < 0) - goto error; + return ret; hs2 |= ret << CS42L43_HSBIAS_RAMP_SHIFT; @@ -142,7 +161,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, &priv->bias_sense_ua, cs42l43_accdet_bias_sense, ARRAY_SIZE(cs42l43_accdet_bias_sense)); if (ret < 0) - goto error; + return ret; if (priv->bias_sense_ua) autocontrol |= ret << CS42L43_HSBIAS_SENSE_TRIP_SHIFT; @@ -154,7 +173,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, &priv->tip_debounce_ms); if (ret < 0 && ret != -EINVAL) { dev_err(priv->dev, "Property cirrus,tip-debounce-ms malformed: %d\n", ret); - goto error; + return ret; } /* This tip sense invert is set normally, as TIPSENSE_INV already inverted */ @@ -170,7 +189,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, &priv->tip_fall_db_ms, cs42l43_accdet_db_ms, ARRAY_SIZE(cs42l43_accdet_db_ms)); if (ret < 0) - goto error; + return ret; tip_deb |= ret << CS42L43_TIPSENSE_FALLING_DB_TIME_SHIFT; @@ -178,7 +197,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, &priv->tip_rise_db_ms, cs42l43_accdet_db_ms, ARRAY_SIZE(cs42l43_accdet_db_ms)); if (ret < 0) - goto error; + return ret; tip_deb |= ret << CS42L43_TIPSENSE_RISING_DB_TIME_SHIFT; @@ -199,7 +218,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, NULL, cs42l43_accdet_db_ms, ARRAY_SIZE(cs42l43_accdet_db_ms)); if (ret < 0) - goto error; + return ret; ring_deb |= ret << CS42L43_RINGSENSE_FALLING_DB_TIME_SHIFT; @@ -207,7 +226,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, NULL, cs42l43_accdet_db_ms, ARRAY_SIZE(cs42l43_accdet_db_ms)); if (ret < 0) - goto error; + return ret; ring_deb |= ret << CS42L43_RINGSENSE_RISING_DB_TIME_SHIFT; pdncntl |= CS42L43_RING_SENSE_EN_MASK; @@ -228,23 +247,9 @@ int cs42l43_set_jack(struct snd_soc_component *component, CS42L43_HSBIAS_RAMP_MASK | CS42L43_HSDET_MODE_MASK | CS42L43_AUTO_HSDET_TIME_MASK, hs2); -done: - ret = 0; - - regmap_update_bits(cs42l43->regmap, CS42L43_HS_BIAS_SENSE_AND_CLAMP_AUTOCONTROL, - CS42L43_JACKDET_MODE_MASK | CS42L43_S0_AUTO_ADCMUTE_DISABLE_MASK | - CS42L43_HSBIAS_SENSE_TRIP_MASK, autocontrol); - regmap_update_bits(cs42l43->regmap, CS42L43_PDNCNTL, - CS42L43_RING_SENSE_EN_MASK, pdncntl); - - dev_dbg(priv->dev, "Successfully configured accessory detect\n"); - -error: - mutex_unlock(&priv->jack_lock); - - pm_runtime_put_autosuspend(priv->dev); + cs42l43_apply_accdet_config(priv, autocontrol, pdncntl); - return ret; + return 0; } static void cs42l43_start_hs_bias(struct cs42l43_codec *priv, bool type_detect) @@ -374,17 +379,18 @@ irqreturn_t cs42l43_button_press(int irq, void *data) unsigned int val = 0; int i, ret; - ret = pm_runtime_resume_and_get(priv->dev); + PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(priv->dev, pm); + ret = PM_RUNTIME_ACQUIRE_ERR(&pm); if (ret) { dev_err(priv->dev, "Failed to resume for button press: %d\n", ret); return iret; } - mutex_lock(&priv->jack_lock); + guard(mutex)(&priv->jack_lock); if (!priv->button_detect_running) { dev_dbg(priv->dev, "Spurious button press IRQ\n"); - goto error; + return iret; } // Wait for 2 full cycles of comb filter to ensure good reading @@ -395,12 +401,12 @@ irqreturn_t cs42l43_button_press(int irq, void *data) /* Bail if jack removed, the button is irrelevant and likely invalid */ if (!cs42l43_jack_present(priv)) { dev_dbg(priv->dev, "Button ignored due to removal\n"); - goto error; + return iret; } if (val & CS42L43_HSBIAS_CLAMP_STS_MASK) { dev_dbg(priv->dev, "Button ignored due to bias sense\n"); - goto error; + return iret; } val = (val & CS42L43_HSDET_DC_STS_MASK) >> CS42L43_HSDET_DC_STS_SHIFT; @@ -423,14 +429,7 @@ irqreturn_t cs42l43_button_press(int irq, void *data) snd_soc_jack_report(priv->jack_hp, buttons, CS42L43_JACK_BUTTONS); - iret = IRQ_HANDLED; - -error: - mutex_unlock(&priv->jack_lock); - - pm_runtime_put_autosuspend(priv->dev); - - return iret; + return IRQ_HANDLED; } irqreturn_t cs42l43_button_release(int irq, void *data) @@ -439,13 +438,14 @@ irqreturn_t cs42l43_button_release(int irq, void *data) irqreturn_t iret = IRQ_NONE; int ret; - ret = pm_runtime_resume_and_get(priv->dev); + PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(priv->dev, pm); + ret = PM_RUNTIME_ACQUIRE_ERR(&pm); if (ret) { dev_err(priv->dev, "Failed to resume for button release: %d\n", ret); return iret; } - mutex_lock(&priv->jack_lock); + guard(mutex)(&priv->jack_lock); if (priv->button_detect_running) { dev_dbg(priv->dev, "Button release IRQ\n"); @@ -457,10 +457,6 @@ irqreturn_t cs42l43_button_release(int irq, void *data) dev_dbg(priv->dev, "Spurious button release IRQ\n"); } - mutex_unlock(&priv->jack_lock); - - pm_runtime_put_autosuspend(priv->dev); - return iret; } @@ -471,13 +467,14 @@ void cs42l43_bias_sense_timeout(struct work_struct *work) struct cs42l43 *cs42l43 = priv->core; int ret; - ret = pm_runtime_resume_and_get(priv->dev); + PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(priv->dev, pm); + ret = PM_RUNTIME_ACQUIRE_ERR(&pm); if (ret) { dev_err(priv->dev, "Failed to resume for bias sense: %d\n", ret); return; } - mutex_lock(&priv->jack_lock); + guard(mutex)(&priv->jack_lock); if (cs42l43_jack_present(priv) && priv->button_detect_running) { dev_dbg(priv->dev, "Bias sense timeout out, restore bias\n"); @@ -490,10 +487,6 @@ void cs42l43_bias_sense_timeout(struct work_struct *work) CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK, CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK); } - - mutex_unlock(&priv->jack_lock); - - pm_runtime_put_autosuspend(priv->dev); } static const struct reg_sequence cs42l43_3pole_patch[] = { @@ -895,9 +888,8 @@ int cs42l43_jack_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct cs42l43_codec *priv = snd_soc_component_get_drvdata(component); - mutex_lock(&priv->jack_lock); + guard(mutex)(&priv->jack_lock); ucontrol->value.integer.value[0] = priv->jack_override; - mutex_unlock(&priv->jack_lock); return 0; } @@ -913,17 +905,13 @@ int cs42l43_jack_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u if (override >= e->items) return -EINVAL; - mutex_lock(&priv->jack_lock); + guard(mutex)(&priv->jack_lock); - if (!cs42l43_jack_present(priv)) { - mutex_unlock(&priv->jack_lock); + if (!cs42l43_jack_present(priv)) return -EBUSY; - } - if (override == priv->jack_override) { - mutex_unlock(&priv->jack_lock); + if (override == priv->jack_override) return 0; - } priv->jack_override = override; @@ -983,7 +971,5 @@ int cs42l43_jack_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u cs42l43_jack_override_modes[override].report); } - mutex_unlock(&priv->jack_lock); - return 1; } diff --git a/sound/soc/codecs/cs42l43.c b/sound/soc/codecs/cs42l43.c index f0d6ff0b2976..68ec56f18b60 100644 --- a/sound/soc/codecs/cs42l43.c +++ b/sound/soc/codecs/cs42l43.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -1208,14 +1209,12 @@ static void cs42l43_spk_vu_sync(struct cs42l43_codec *priv) { struct cs42l43 *cs42l43 = priv->core; - mutex_lock(&priv->spk_vu_lock); + guard(mutex)(&priv->spk_vu_lock); regmap_update_bits(cs42l43->regmap, CS42L43_INTP_VOLUME_CTRL1, CS42L43_AMP1_2_VU_MASK, CS42L43_AMP1_2_VU_MASK); regmap_update_bits(cs42l43->regmap, CS42L43_INTP_VOLUME_CTRL1, CS42L43_AMP1_2_VU_MASK, 0); - - mutex_unlock(&priv->spk_vu_lock); } static int cs42l43_shutter_get(struct cs42l43_codec *priv, unsigned int shift) @@ -1602,7 +1601,7 @@ static int cs42l43_pll_ev(struct snd_soc_dapm_widget *w, struct cs42l43 *cs42l43 = priv->core; int ret; - mutex_lock(&cs42l43->pll_lock); + guard(mutex)(&cs42l43->pll_lock); switch (event) { case SND_SOC_DAPM_PRE_PMU: @@ -1627,8 +1626,6 @@ static int cs42l43_pll_ev(struct snd_soc_dapm_widget *w, break; } - mutex_unlock(&cs42l43->pll_lock); - return ret; } @@ -2566,13 +2563,10 @@ static int cs42l43_set_sysclk(struct snd_soc_component *component, int clk_id, { struct cs42l43_codec *priv = snd_soc_component_get_drvdata(component); struct cs42l43 *cs42l43 = priv->core; - int ret; - mutex_lock(&cs42l43->pll_lock); - ret = cs42l43_set_pll(priv, src, freq); - mutex_unlock(&cs42l43->pll_lock); + guard(mutex)(&cs42l43->pll_lock); - return ret; + return cs42l43_set_pll(priv, src, freq); } static int cs42l43_component_probe(struct snd_soc_component *component) -- 2.43.0