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Thu, 16 Jul 2026 14:21:56 -0700 (PDT) From: Luiz Angelo Daros de Luca Date: Thu, 16 Jul 2026 18:21:39 -0300 Subject: [PATCH 2/4] hwmon: (adt7470) Add ADT7470_PWM_MAX macro Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260716-adt7470_thermalzone-v1-2-cc55ef35edde@gmail.com> References: <20260716-adt7470_thermalzone-v1-0-cc55ef35edde@gmail.com> In-Reply-To: <20260716-adt7470_thermalzone-v1-0-cc55ef35edde@gmail.com> To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , de Luca Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.15.2 Instead of a magic 255, use a macro to refer to it. Signed-off-by: Luiz Angelo Daros de Luca --- drivers/hwmon/adt7470.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 664349756dc2..4ac292cd7f47 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -100,6 +100,7 @@ static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END }; #define ADT7470_REG_FAN_MAX(x) (ADT7470_REG_FAN_MAX_BASE_ADDR + ((x) * 2)) #define ADT7470_PWM_COUNT 4 +#define ADT7470_PWM_MAX 255 #define ADT7470_REG_PWM(x) (ADT7470_REG_PWM_BASE_ADDR + (x)) #define ADT7470_REG_PWM_MAX(x) (ADT7470_REG_PWM_MAX_BASE_ADDR + (x)) #define ADT7470_REG_PWM_MIN(x) (ADT7470_REG_PWM_MIN_BASE_ADDR + (x)) @@ -811,7 +812,7 @@ static int adt7470_pwm_write(struct device *dev, u32 attr, int channel, long val switch (attr) { case hwmon_pwm_input: - val = clamp_val(val, 0, 255); + val = clamp_val(val, 0, ADT7470_PWM_MAX); mutex_lock(&data->lock); data->pwm[channel] = val; err = regmap_write(data->regmap, ADT7470_REG_PWM(channel), @@ -869,7 +870,7 @@ static ssize_t pwm_max_store(struct device *dev, if (kstrtol(buf, 10, &temp)) return -EINVAL; - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, 0, ADT7470_PWM_MAX); mutex_lock(&data->lock); data->pwm_max[attr->index] = temp; @@ -904,7 +905,7 @@ static ssize_t pwm_min_store(struct device *dev, if (kstrtol(buf, 10, &temp)) return -EINVAL; - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, 0, ADT7470_PWM_MAX); mutex_lock(&data->lock); data->pwm_min[attr->index] = temp; -- 2.55.0