From patchwork Mon Jun 10 16:42:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 803092 Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (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 0AAD8158DDD; Mon, 10 Jun 2024 16:43:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718037789; cv=none; b=Rw12Yd1qeoGiWjsO4GWDTQg8OBmoIcDIt3OQ0NUNIA6MYq/dE4vYjIAa4b8ZGgNeIwT6/6Hgzjpr1CHI8SejZ3Meb88HbbZZDUXJUyaYK5L1Np6RUEgMJFX3351eYxQ8cwnzHTjFJBL8+7N/9nwxZcmYnPJd9TsEdAE8EU2VAq0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718037789; c=relaxed/simple; bh=MIurSoSSt9UMNcU8rMUkViP6+MSKKbqSoe0jANf2I7Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uOVWkOxTm+vID/PjzgY257uDgyrff7UW2LvwSLo9EHszGkYlWxdeNGj4/QPKQSUvEuv6LKyOCSK9BThqNoe93FADphRF1TX7h0PVhl7QEv2BhH2ZxVFNcNvMqBN50X4YdAJyx/ghYMIhWVmNiLPsMFgEA4T4yIuUaJRiHAfeYmo= 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=DB352gYe; arc=none smtp.client-ip=209.85.214.169 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="DB352gYe" Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-1f44b594deeso38119025ad.2; Mon, 10 Jun 2024 09:43:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1718037787; x=1718642587; 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=1QB4h0GreS2FpZ8gwTT0yYN5B4QpL8DyuQc8MSaq4UA=; b=DB352gYeGEYRMGFFwDJeSfXqaIf7MKGVyBQ3EPUk0T2+UT7eiNA8wOybKm4xrgyJHt KpDhF5cL8rmKPjn48+jNMGv5h7XcWNBsiQQRs6ORO1u/+r19BLqXOwap5E1gMLInOCjl N+RFWbKj8FpYQbqydM9V2UDr71/OKQRhtUioTFbthXunoATa8CymhXlx4lWG8R2/pcKT 6ajarEZfzlQHwI0OtFyxJNtk1//54E6g1m05F2VCryLxBD/I7xVD+WySGb+F4LteQsmX nmQzee2QTminCSOV1K5WhQf2Dj3WfDaeDPb1/N9S41BFYdCelIQhUOFYy9iJvCALGVtG xRHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718037787; x=1718642587; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1QB4h0GreS2FpZ8gwTT0yYN5B4QpL8DyuQc8MSaq4UA=; b=O/WfhWs6JlQoDm/Lqvmr0/eO5B/3Zkz7FRbXwwxEFIQStMcGHF/EmitvodUbjbXcjY 5N96qLFp4/+a9vs+TAJZoJivcO67KU01kQKRQbrJaYoGTYyUjWoVaCHX6PJjNSBhjiSS 0KmvGBxj5oHJN3pKSmA7hFCpuj/pDTDYE9VCC58HuoHuI1KIOaHA8a29a76Mbq7vz21f iIfwWN70fc4y3qHXIRvAS+qCuAefUroqb6tVwct722zJfwzyUhxMbk/+7fZBjPNrGb6F V6rXyRiNkkhfsEeRQaGjVy5Sd8Ytr2LP/x6P/qyqqUCL7Fhk5M5NOjamjbDKS7aaS/Ep nD2A== X-Forwarded-Encrypted: i=1; AJvYcCV9xazcsVS2hNoygm/F+365A8tN1HtKkeACtKDxqh9y4raFwvPey6HjapnE+aE5GxjX9gYdudT7fs5eL4zuFGRSZSjfW+aGAsloWnMp X-Gm-Message-State: AOJu0Yz4bXN5DmD8rJ+5hT5Kylg+QxVWNAdXNuKVkZ2tHi/A/uVK+C37 hokAXln1xlhbnqyftfqqiuxgq6RUkU3P7DQLBHO93CrK4Ydrb90+3a7diw== X-Google-Smtp-Source: AGHT+IFWygY78JM+DU3KmixueTP0lS+a6n7LqLrY5El0iLZUr5XMsUEHLCPoeyO35xEUC8+DBd5Nog== X-Received: by 2002:a17:902:cecd:b0:1f7:19d6:fb0 with SMTP id d9443c01a7336-1f719d613a3mr28419395ad.45.1718037786897; Mon, 10 Jun 2024 09:43:06 -0700 (PDT) Received: from dtor-ws.sjc.corp.google.com ([2620:15c:9d:2:83cc:2314:b3bd:bf64]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f72479ab2esm5235845ad.308.2024.06.10.09.43.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jun 2024 09:43:06 -0700 (PDT) From: Dmitry Torokhov To: linux-input@vger.kernel.org, Nuno Sa Cc: Michael Hennerich , linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] Input: adxl34x - use input_set_capability() Date: Mon, 10 Jun 2024 09:42:58 -0700 Message-ID: <20240610164301.1048482-2-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.45.2.505.gda0bf45e8d-goog In-Reply-To: <20240610164301.1048482-1-dmitry.torokhov@gmail.com> References: <20240610164301.1048482-1-dmitry.torokhov@gmail.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Switch to using input_set_capability() instead of using __set_bit() to make clear what exactly kinds of events (EV_KEY, EV_REL) are being declared. Also drop redundant calls setting EV_ABS and ABS_X|Y|Z bits as that is taken care by input_set_abs_params(). Signed-off-by: Dmitry Torokhov Reviewed-by: Nuno Sa --- v2: new patch, split out from devm conversion at Nino's request drivers/input/misc/adxl34x.c | 32 +++++++++++++------------------- 1 file changed, 13 insertions(+), 19 deletions(-) diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index fbe5a56c19d1..830acf29c32b 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -769,18 +769,12 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, input_set_drvdata(input_dev, ac); - __set_bit(ac->pdata.ev_type, input_dev->evbit); - if (ac->pdata.ev_type == EV_REL) { - __set_bit(REL_X, input_dev->relbit); - __set_bit(REL_Y, input_dev->relbit); - __set_bit(REL_Z, input_dev->relbit); + input_set_capability(input_dev, EV_REL, REL_X); + input_set_capability(input_dev, EV_REL, REL_Y); + input_set_capability(input_dev, EV_REL, REL_Z); } else { /* EV_ABS */ - __set_bit(ABS_X, input_dev->absbit); - __set_bit(ABS_Y, input_dev->absbit); - __set_bit(ABS_Z, input_dev->absbit); - if (pdata->data_range & FULL_RES) range = ADXL_FULLRES_MAX_VAL; /* Signed 13-bit */ else @@ -791,18 +785,18 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, input_set_abs_params(input_dev, ABS_Z, -range, range, 3, 3); } - __set_bit(EV_KEY, input_dev->evbit); - __set_bit(pdata->ev_code_tap[ADXL_X_AXIS], input_dev->keybit); - __set_bit(pdata->ev_code_tap[ADXL_Y_AXIS], input_dev->keybit); - __set_bit(pdata->ev_code_tap[ADXL_Z_AXIS], input_dev->keybit); + input_set_capability(input_dev, EV_KEY, pdata->ev_code_tap[ADXL_X_AXIS]); + input_set_capability(input_dev, EV_KEY, pdata->ev_code_tap[ADXL_Y_AXIS]); + input_set_capability(input_dev, EV_KEY, pdata->ev_code_tap[ADXL_Z_AXIS]); if (pdata->ev_code_ff) { ac->int_mask = FREE_FALL; - __set_bit(pdata->ev_code_ff, input_dev->keybit); + input_set_capability(input_dev, EV_KEY, pdata->ev_code_ff); } if (pdata->ev_code_act_inactivity) - __set_bit(pdata->ev_code_act_inactivity, input_dev->keybit); + input_set_capability(input_dev, EV_KEY, + pdata->ev_code_act_inactivity); ac->int_mask |= ACTIVITY | INACTIVITY; @@ -874,13 +868,13 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, if (pdata->orientation_enable & ADXL_EN_ORIENTATION_3D) for (i = 0; i < ARRAY_SIZE(pdata->ev_codes_orient_3d); i++) - __set_bit(pdata->ev_codes_orient_3d[i], - input_dev->keybit); + input_set_capability(input_dev, EV_KEY, + pdata->ev_codes_orient_3d[i]); if (pdata->orientation_enable & ADXL_EN_ORIENTATION_2D) for (i = 0; i < ARRAY_SIZE(pdata->ev_codes_orient_2d); i++) - __set_bit(pdata->ev_codes_orient_2d[i], - input_dev->keybit); + input_set_capability(input_dev, EV_KEY, + pdata->ev_codes_orient_2d[i]); } else { ac->pdata.orientation_enable = 0; } From patchwork Mon Jun 10 16:43:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 803091 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) (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 C90CD15A85B; 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Mon, 10 Jun 2024 09:43:09 -0700 (PDT) Received: from dtor-ws.sjc.corp.google.com ([2620:15c:9d:2:83cc:2314:b3bd:bf64]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f72479ab2esm5235845ad.308.2024.06.10.09.43.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jun 2024 09:43:08 -0700 (PDT) From: Dmitry Torokhov To: linux-input@vger.kernel.org, Nuno Sa Cc: Michael Hennerich , linux-kernel@vger.kernel.org Subject: [PATCH v2 4/4] Input: adxl34x- switch to using "guard" notation Date: Mon, 10 Jun 2024 09:43:00 -0700 Message-ID: <20240610164301.1048482-4-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.45.2.505.gda0bf45e8d-goog In-Reply-To: <20240610164301.1048482-1-dmitry.torokhov@gmail.com> References: <20240610164301.1048482-1-dmitry.torokhov@gmail.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Switch to using guard(mutex)() notation to acquire and automatically release mutexes. Reviewed-by: Nuno Sa Signed-off-by: Dmitry Torokhov --- v2: added Nono's ACK drivers/input/misc/adxl34x.c | 61 ++++++++++++------------------------ 1 file changed, 20 insertions(+), 41 deletions(-) diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index c6c34005f5d2..7cafbf8d5f1a 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -241,7 +241,8 @@ static void adxl34x_get_triple(struct adxl34x *ac, struct axis_triple *axis) ac->bops->read_block(ac->dev, DATAX0, DATAZ1 - DATAX0 + 1, buf); - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); + ac->saved.x = (s16) le16_to_cpu(buf[0]); axis->x = ac->saved.x; @@ -250,7 +251,6 @@ static void adxl34x_get_triple(struct adxl34x *ac, struct axis_triple *axis) ac->saved.z = (s16) le16_to_cpu(buf[2]); axis->z = ac->saved.z; - mutex_unlock(&ac->mutex); } static void adxl34x_service_ev_fifo(struct adxl34x *ac) @@ -416,15 +416,13 @@ static int adxl34x_suspend(struct device *dev) { struct adxl34x *ac = dev_get_drvdata(dev); - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); if (!ac->suspended && !ac->disabled && ac->opened) __adxl34x_disable(ac); ac->suspended = true; - mutex_unlock(&ac->mutex); - return 0; } @@ -432,15 +430,13 @@ static int adxl34x_resume(struct device *dev) { struct adxl34x *ac = dev_get_drvdata(dev); - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); if (ac->suspended && !ac->disabled && ac->opened) __adxl34x_enable(ac); ac->suspended = false; - mutex_unlock(&ac->mutex); - return 0; } @@ -464,7 +460,7 @@ static ssize_t adxl34x_disable_store(struct device *dev, if (error) return error; - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); if (!ac->suspended && ac->opened) { if (val) { @@ -478,8 +474,6 @@ static ssize_t adxl34x_disable_store(struct device *dev, ac->disabled = !!val; - mutex_unlock(&ac->mutex); - return count; } @@ -489,16 +483,13 @@ static ssize_t adxl34x_calibrate_show(struct device *dev, struct device_attribute *attr, char *buf) { struct adxl34x *ac = dev_get_drvdata(dev); - ssize_t count; - mutex_lock(&ac->mutex); - count = sprintf(buf, "%d,%d,%d\n", - ac->hwcal.x * 4 + ac->swcal.x, - ac->hwcal.y * 4 + ac->swcal.y, - ac->hwcal.z * 4 + ac->swcal.z); - mutex_unlock(&ac->mutex); + guard(mutex)(&ac->mutex); - return count; + return sprintf(buf, "%d,%d,%d\n", + ac->hwcal.x * 4 + ac->swcal.x, + ac->hwcal.y * 4 + ac->swcal.y, + ac->hwcal.z * 4 + ac->swcal.z); } static ssize_t adxl34x_calibrate_store(struct device *dev, @@ -512,7 +503,8 @@ static ssize_t adxl34x_calibrate_store(struct device *dev, * We use HW calibration and handle the remaining bits in SW. (4mg/LSB) */ - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); + ac->hwcal.x -= (ac->saved.x / 4); ac->swcal.x = ac->saved.x % 4; @@ -525,7 +517,6 @@ static ssize_t adxl34x_calibrate_store(struct device *dev, AC_WRITE(ac, OFSX, (s8) ac->hwcal.x); AC_WRITE(ac, OFSY, (s8) ac->hwcal.y); AC_WRITE(ac, OFSZ, (s8) ac->hwcal.z); - mutex_unlock(&ac->mutex); return count; } @@ -553,15 +544,13 @@ static ssize_t adxl34x_rate_store(struct device *dev, if (error) return error; - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); ac->pdata.data_rate = RATE(val); AC_WRITE(ac, BW_RATE, ac->pdata.data_rate | (ac->pdata.low_power_mode ? LOW_POWER : 0)); - mutex_unlock(&ac->mutex); - return count; } @@ -588,7 +577,7 @@ static ssize_t adxl34x_autosleep_store(struct device *dev, if (error) return error; - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); if (val) ac->pdata.power_mode |= (PCTL_AUTO_SLEEP | PCTL_LINK); @@ -598,8 +587,6 @@ static ssize_t adxl34x_autosleep_store(struct device *dev, if (!ac->disabled && !ac->suspended && ac->opened) AC_WRITE(ac, POWER_CTL, ac->pdata.power_mode | PCTL_MEASURE); - mutex_unlock(&ac->mutex); - return count; } @@ -610,14 +597,11 @@ static ssize_t adxl34x_position_show(struct device *dev, struct device_attribute *attr, char *buf) { struct adxl34x *ac = dev_get_drvdata(dev); - ssize_t count; - mutex_lock(&ac->mutex); - count = sprintf(buf, "(%d, %d, %d)\n", - ac->saved.x, ac->saved.y, ac->saved.z); - mutex_unlock(&ac->mutex); + guard(mutex)(&ac->mutex); - return count; + return sprintf(buf, "(%d, %d, %d)\n", + ac->saved.x, ac->saved.y, ac->saved.z); } static DEVICE_ATTR(position, S_IRUGO, adxl34x_position_show, NULL); @@ -638,9 +622,8 @@ static ssize_t adxl34x_write_store(struct device *dev, if (error) return error; - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); AC_WRITE(ac, val >> 8, val & 0xFF); - mutex_unlock(&ac->mutex); return count; } @@ -674,15 +657,13 @@ static int adxl34x_input_open(struct input_dev *input) { struct adxl34x *ac = input_get_drvdata(input); - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); if (!ac->suspended && !ac->disabled) __adxl34x_enable(ac); ac->opened = true; - mutex_unlock(&ac->mutex); - return 0; } @@ -690,14 +671,12 @@ static void adxl34x_input_close(struct input_dev *input) { struct adxl34x *ac = input_get_drvdata(input); - mutex_lock(&ac->mutex); + guard(mutex)(&ac->mutex); if (!ac->suspended && !ac->disabled) __adxl34x_disable(ac); ac->opened = false; - - mutex_unlock(&ac->mutex); } struct adxl34x *adxl34x_probe(struct device *dev, int irq,