From: Ian Ray Date: Fri, 20 Feb 2026 11:20:21 +0000 (+0200) Subject: hwmon: (ina2xx) Make it easier to add more devices X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f6e14b5bcabf4ee97a2d535c3c2d7e72c8da4c15;p=thirdparty%2Fkernel%2Flinux.git hwmon: (ina2xx) Make it easier to add more devices * Make sysfs entries documentation easier to maintain. * Use multi-line enum. * Correct "has_power_average" comment. Create a new "has_update_interval" member for chips which support averaging. Signed-off-by: Ian Ray Reviewed-by: Bence Csókás # v2 Tested-by: Jens Almer Link: https://lore.kernel.org/r/20260220112024.97446-3-ian.ray@gehealthcare.com Signed-off-by: Guenter Roeck --- diff --git a/Documentation/hwmon/ina2xx.rst b/Documentation/hwmon/ina2xx.rst index a3860aae444c0..a4ddf4bd2b081 100644 --- a/Documentation/hwmon/ina2xx.rst +++ b/Documentation/hwmon/ina2xx.rst @@ -124,8 +124,16 @@ power1_input Power(uW) measurement channel shunt_resistor Shunt resistance(uOhm) channel (not for ina260) ======================= =============================================== -Additional sysfs entries for ina226, ina230, ina231, ina260, and sy24655 ------------------------------------------------------------------------- +Additional sysfs entries +------------------------ + +Additional entries are available for the following chips: + + * ina226 + * ina230 + * ina231 + * ina260 + * sy24655 ======================= ==================================================== curr1_lcrit Critical low current diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 69ac0468dee4f..cd0d39ee7616c 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -135,13 +135,19 @@ static const struct regmap_config ina2xx_regmap_config = { .writeable_reg = ina2xx_writeable_reg, }; -enum ina2xx_ids { ina219, ina226, ina260, sy24655 }; +enum ina2xx_ids { + ina219, + ina226, + ina260, + sy24655 +}; struct ina2xx_config { u16 config_default; bool has_alerts; /* chip supports alerts and limits */ bool has_ishunt; /* chip has internal shunt resistor */ - bool has_power_average; /* chip has internal shunt resistor */ + bool has_power_average; /* chip supports average power */ + bool has_update_interval; int calibration_value; int shunt_div; int bus_voltage_shift; @@ -171,6 +177,7 @@ static const struct ina2xx_config ina2xx_config[] = { .has_alerts = false, .has_ishunt = false, .has_power_average = false, + .has_update_interval = false, }, [ina226] = { .config_default = INA226_CONFIG_DEFAULT, @@ -182,6 +189,7 @@ static const struct ina2xx_config ina2xx_config[] = { .has_alerts = true, .has_ishunt = false, .has_power_average = false, + .has_update_interval = true, }, [ina260] = { .config_default = INA260_CONFIG_DEFAULT, @@ -192,6 +200,7 @@ static const struct ina2xx_config ina2xx_config[] = { .has_alerts = true, .has_ishunt = true, .has_power_average = false, + .has_update_interval = true, }, [sy24655] = { .config_default = SY24655_CONFIG_DEFAULT, @@ -203,6 +212,7 @@ static const struct ina2xx_config ina2xx_config[] = { .has_alerts = true, .has_ishunt = false, .has_power_average = true, + .has_update_interval = false, }, }; @@ -706,7 +716,7 @@ static umode_t ina2xx_is_visible(const void *_data, enum hwmon_sensor_types type const struct ina2xx_data *data = _data; bool has_alerts = data->config->has_alerts; bool has_power_average = data->config->has_power_average; - enum ina2xx_ids chip = data->chip; + bool has_update_interval = data->config->has_update_interval; switch (type) { case hwmon_in: @@ -768,7 +778,7 @@ static umode_t ina2xx_is_visible(const void *_data, enum hwmon_sensor_types type case hwmon_chip: switch (attr) { case hwmon_chip_update_interval: - if (chip == ina226 || chip == ina260) + if (has_update_interval) return 0644; break; default: