linux-kernel - [PATCH 1/2] hwmon: (core) Add support for pwm auto channels attribute

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Date:   Wed, 23 Feb 2022 23:13:33 +0100
From:   Armin Wolf <W_Armin@....de>
To:     hdegoede@...hat.com
Cc:     jdelvare@...e.com, linux@...ck-us.net, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] hwmon: (core) Add support for pwm auto channels attribute

pwm[1-*]_auto_channels_temp is documented as an official
hwmon sysfs attribute, yet there is no support for it in
the new with_info-API. Fix that.

Signed-off-by: Armin Wolf <W_Armin@....de>
---
 drivers/hwmon/hwmon.c | 1 +
 include/linux/hwmon.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 0d6c6809f26c..989e2c8496dd 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -604,6 +604,7 @@ static const char * const hwmon_pwm_attr_templates[] = {
 	[hwmon_pwm_enable] = "pwm%d_enable",
 	[hwmon_pwm_mode] = "pwm%d_mode",
 	[hwmon_pwm_freq] = "pwm%d_freq",
+	[hwmon_pwm_auto_channels_temp] = "pwm%d_auto_channels_temp",
 };

 static const char * const hwmon_intrusion_attr_templates[] = {
diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
index fad1f1df26df..eba380b76d15 100644
--- a/include/linux/hwmon.h
+++ b/include/linux/hwmon.h
@@ -332,12 +332,14 @@ enum hwmon_pwm_attributes {
 	hwmon_pwm_enable,
 	hwmon_pwm_mode,
 	hwmon_pwm_freq,
+	hwmon_pwm_auto_channels_temp,
 };

 #define HWMON_PWM_INPUT			BIT(hwmon_pwm_input)
 #define HWMON_PWM_ENABLE		BIT(hwmon_pwm_enable)
 #define HWMON_PWM_MODE			BIT(hwmon_pwm_mode)
 #define HWMON_PWM_FREQ			BIT(hwmon_pwm_freq)
+#define HWMON_PWM_AUTO_CHANNELS_TEMP	BIT(hwmon_pwm_auto_channels_temp)

 enum hwmon_intrusion_attributes {
 	hwmon_intrusion_alarm,
--
2.30.2