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Fri, 17 Jul 2026 13:59:49 -0700 (PDT) From: Luiz Angelo Daros de Luca Date: Fri, 17 Jul 2026 17:59:17 -0300 Subject: [PATCH v2 4/6] 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: <20260717-adt7470_thermalzone-v2-4-a55147958fad@gmail.com> References: <20260717-adt7470_thermalzone-v2-0-a55147958fad@gmail.com> In-Reply-To: <20260717-adt7470_thermalzone-v2-0-a55147958fad@gmail.com> To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chris Packham , Andrew Morton , "Darrick J. Wong" , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Luiz Angelo Daros de Luca , linux-pwm@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 77e7be692790..d881609c99aa 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)) @@ -829,7 +830,7 @@ 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), @@ -887,7 +888,7 @@ 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; @@ -922,7 +923,7 @@ 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