Re: [v2 3/9] hwmon: (nct7904) Add extra sysfs support for fan, voltage and temperature.

From: Guenter Roeck
Date: Fri Jun 28 2019 - 13:31:14 EST

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On Mon, Jun 17, 2019 at 08:11:07AM +0000, Amy.Shih@xxxxxxxxxxxxxxxx wrote:
> From: "amy.shih" <amy.shih@xxxxxxxxxxxxxxxx>
>
> NCT-7904D also supports reading of channel limitation registers
> and SMI status registers for fan, voltage and temperature monitoring,
> and also supports reading of temperature sensor type which is thermal
> diode, thermistor, AMD SB-TSI or Intel PECI, thus add below sysfs nodes:
>
> -fan[1-*]_min
> -fan[1-*]_alarm
> -in[1-*]_min
> -in[1-*]_max
> -in[1-*]_alarm
> -temp[1-*]_max
> -temp[1-*]_max_hyst
> -temp[1-*]_emergency
> -temp[1-*]_emergency_hyst
> -temp[1-*]_alarm
> -temp[1-*]_type
>
> Signed-off-by: amy.shih <amy.shih@xxxxxxxxxxxxxxxx>

Please resend from here with subsequent fixes of this patch squashed
into it.

Thanks,
Guenter

> ---
> Changes in v2:
> - Fix bad fallthrough in various switch statements.
> - Fix the wrong declared of tmp as u8 in nct7904_write_in, declared tmp to int.
>
> drivers/hwmon/nct7904.c | 469 ++++++++++++++++++++++++++++++++++++----
> 1 file changed, 424 insertions(+), 45 deletions(-)
>
> diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c
> index 710c30562fc1..cdd67932938d 100644
> --- a/drivers/hwmon/nct7904.c
> +++ b/drivers/hwmon/nct7904.c
> @@ -46,10 +46,33 @@
> #define DTS_T_CTRL1_REG 0x27
> #define VT_ADC_MD_REG 0x2E
>
> +#define VSEN1_HV_LL_REG 0x02 /* Bank 1; 2 regs (HV/LV) per sensor */
> +#define VSEN1_LV_LL_REG 0x03 /* Bank 1; 2 regs (HV/LV) per sensor */
> +#define VSEN1_HV_HL_REG 0x00 /* Bank 1; 2 regs (HV/LV) per sensor */
> +#define VSEN1_LV_HL_REG 0x01 /* Bank 1; 2 regs (HV/LV) per sensor */
> +#define SMI_STS1_REG 0xC1 /* Bank 0; SMI Status Register */
> +#define SMI_STS5_REG 0xC5 /* Bank 0; SMI Status Register */
> +#define SMI_STS7_REG 0xC7 /* Bank 0; SMI Status Register */
> +#define SMI_STS8_REG 0xC8 /* Bank 0; SMI Status Register */
> +
> #define VSEN1_HV_REG 0x40 /* Bank 0; 2 regs (HV/LV) per sensor */
> #define TEMP_CH1_HV_REG 0x42 /* Bank 0; same as VSEN2_HV */
> #define LTD_HV_REG 0x62 /* Bank 0; 2 regs in VSEN range */
> +#define LTD_HV_HL_REG 0x44 /* Bank 1; 1 reg for LTD */
> +#define LTD_LV_HL_REG 0x45 /* Bank 1; 1 reg for LTD */
> +#define LTD_HV_LL_REG 0x46 /* Bank 1; 1 reg for LTD */
> +#define LTD_LV_LL_REG 0x47 /* Bank 1; 1 reg for LTD */
> +#define TEMP_CH1_CH_REG 0x05 /* Bank 1; 1 reg for LTD */
> +#define TEMP_CH1_W_REG 0x06 /* Bank 1; 1 reg for LTD */
> +#define TEMP_CH1_WH_REG 0x07 /* Bank 1; 1 reg for LTD */
> +#define TEMP_CH1_C_REG 0x04 /* Bank 1; 1 reg per sensor */
> +#define DTS_T_CPU1_C_REG 0x90 /* Bank 1; 1 reg per sensor */
> +#define DTS_T_CPU1_CH_REG 0x91 /* Bank 1; 1 reg per sensor */
> +#define DTS_T_CPU1_W_REG 0x92 /* Bank 1; 1 reg per sensor */
> +#define DTS_T_CPU1_WH_REG 0x93 /* Bank 1; 1 reg per sensor */
> #define FANIN1_HV_REG 0x80 /* Bank 0; 2 regs (HV/LV) per sensor */
> +#define FANIN1_HV_HL_REG 0x60 /* Bank 1; 2 regs (HV/LV) per sensor */
> +#define FANIN1_LV_HL_REG 0x61 /* Bank 1; 2 regs (HV/LV) per sensor */
> #define T_CPU1_HV_REG 0xA0 /* Bank 0; 2 regs (HV/LV) per sensor */
>
> #define PRTS_REG 0x03 /* Bank 2 */
> @@ -58,6 +81,8 @@
> #define FANCTL1_FMR_REG 0x00 /* Bank 3; 1 reg per channel */
> #define FANCTL1_OUT_REG 0x10 /* Bank 3; 1 reg per channel */
>
> +#define ENABLE_TSI BIT(1)
> +
> static const unsigned short normal_i2c[] = {
> 0x2d, 0x2e, I2C_CLIENT_END
> };
> @@ -72,6 +97,7 @@ struct nct7904_data {
> u8 fan_mode[FANCTL_MAX];
> u8 enable_dts;
> u8 has_dts;
> + u8 temp_mode; /* 0: TR mode, 1: TD mode */
> };
>
> /* Access functions */
> @@ -170,6 +196,25 @@ static int nct7904_read_fan(struct device *dev, u32 attr, int channel,
> rpm = 1350000 / cnt;
> *val = rpm;
> return 0;
> + case hwmon_fan_min:
> + ret = nct7904_read_reg16(data, BANK_1,
> + FANIN1_HV_HL_REG + channel * 2);
> + if (ret < 0)
> + return ret;
> + cnt = ((ret & 0xff00) >> 3) | (ret & 0x1f);
> + if (cnt == 0x1fff)
> + rpm = 0;
> + else
> + rpm = 1350000 / cnt;
> + *val = rpm;
> + return 0;
> + case hwmon_fan_alarm:
> + ret = nct7904_read_reg(data, BANK_0,
> + SMI_STS7_REG + (channel >> 3));
> + if (ret < 0)
> + return ret;
> + *val = (ret >> (channel & 0x07)) & 1;
> + return 0;
> default:
> return -EOPNOTSUPP;
> }
> @@ -179,8 +224,20 @@ static umode_t nct7904_fan_is_visible(const void *_data, u32 attr, int channel)
> {
> const struct nct7904_data *data = _data;
>
> - if (attr == hwmon_fan_input && data->fanin_mask & (1 << channel))
> - return 0444;
> + switch (attr) {
> + case hwmon_fan_input:
> + case hwmon_fan_alarm:
> + if (data->fanin_mask & (1 << channel))
> + return 0444;
> + break;
> + case hwmon_fan_min:
> + if (data->fanin_mask & (1 << channel))
> + return 0644;
> + break;
> + default:
> + break;
> + }
> +
> return 0;
> }
>
> @@ -211,6 +268,37 @@ static int nct7904_read_in(struct device *dev, u32 attr, int channel,
> volt *= 6; /* 0.006V scale */
> *val = volt;
> return 0;
> + case hwmon_in_min:
> + ret = nct7904_read_reg16(data, BANK_1,
> + VSEN1_HV_LL_REG + index * 4);
> + if (ret < 0)
> + return ret;
> + volt = ((ret & 0xff00) >> 5) | (ret & 0x7);
> + if (index < 14)
> + volt *= 2; /* 0.002V scale */
> + else
> + volt *= 6; /* 0.006V scale */
> + *val = volt;
> + return 0;
> + case hwmon_in_max:
> + ret = nct7904_read_reg16(data, BANK_1,
> + VSEN1_HV_HL_REG + index * 4);
> + if (ret < 0)
> + return ret;
> + volt = ((ret & 0xff00) >> 5) | (ret & 0x7);
> + if (index < 14)
> + volt *= 2; /* 0.002V scale */
> + else
> + volt *= 6; /* 0.006V scale */
> + *val = volt;
> + return 0;
> + case hwmon_in_alarm:
> + ret = nct7904_read_reg(data, BANK_0,
> + SMI_STS1_REG + (index >> 3));
> + if (ret < 0)
> + return ret;
> + *val = (ret >> (index & 0x07)) & 1;
> + return 0;
> default:
> return -EOPNOTSUPP;
> }
> @@ -221,9 +309,20 @@ static umode_t nct7904_in_is_visible(const void *_data, u32 attr, int channel)
> const struct nct7904_data *data = _data;
> int index = nct7904_chan_to_index[channel];
>
> - if (channel > 0 && attr == hwmon_in_input &&
> - (data->vsen_mask & BIT(index)))
> - return 0444;
> + switch (attr) {
> + case hwmon_in_input:
> + case hwmon_in_alarm:
> + if (channel > 0 && (data->vsen_mask & BIT(index)))
> + return 0444;
> + break;
> + case hwmon_in_min:
> + case hwmon_in_max:
> + if (channel > 0 && (data->vsen_mask & BIT(index)))
> + return 0644;
> + break;
> + default:
> + break;
> + }
>
> return 0;
> }
> @@ -233,6 +332,7 @@ static int nct7904_read_temp(struct device *dev, u32 attr, int channel,
> {
> struct nct7904_data *data = dev_get_drvdata(dev);
> int ret, temp;
> + unsigned int reg1, reg2, reg3;
>
> switch (attr) {
> case hwmon_temp_input:
> @@ -250,16 +350,100 @@ static int nct7904_read_temp(struct device *dev, u32 attr, int channel,
> temp = ((ret & 0xff00) >> 5) | (ret & 0x7);
> *val = sign_extend32(temp, 10) * 125;
> return 0;
> + case hwmon_temp_alarm:
> + if (channel < 5) {
> + ret = nct7904_read_reg(data, BANK_0,
> + SMI_STS1_REG);
> + if (ret < 0)
> + return ret;
> + *val = (ret >> (channel & 0x07)) & 1;
> + } else {
> + if ((channel - 5) < 4) {
> + ret = nct7904_read_reg(data, BANK_0,
> + SMI_STS7_REG +
> + ((channel - 5) >> 3));
> + if (ret < 0)
> + return ret;
> + *val = (ret >> ((channel - 5) & 0x07)) & 1;
> + } else {
> + ret = nct7904_read_reg(data, BANK_0,
> + SMI_STS8_REG +
> + ((channel - 5) >> 3));
> + if (ret < 0)
> + return ret;
> + *val = (ret >> (((channel - 5) & 0x07) - 4))
> + & 1;
> + }
> + }
> + return 0;
> + case hwmon_temp_type:
> + if (channel < 5) {
> + if ((data->tcpu_mask >> channel) & 0x01) {
> + if ((data->temp_mode >> channel) & 0x01)
> + *val = 3; /* TD */
> + else
> + *val = 4; /* TR */
> + } else {
> + *val = 0;
> + }
> + } else {
> + if ((data->has_dts >> (channel - 5)) & 0x01) {
> + if (data->enable_dts & ENABLE_TSI)
> + *val = 5; /* TSI */
> + else
> + *val = 6; /* PECI */
> + } else {
> + *val = 0;
> + }
> + }
> + return 0;
> + case hwmon_temp_max:
> + reg1 = LTD_HV_HL_REG;
> + reg2 = TEMP_CH1_C_REG;
> + reg3 = DTS_T_CPU1_C_REG;
> + break;
> + case hwmon_temp_max_hyst:
> + reg1 = LTD_LV_HL_REG;
> + reg2 = TEMP_CH1_CH_REG;
> + reg3 = DTS_T_CPU1_CH_REG;
> + break;
> + case hwmon_temp_emergency:
> + reg1 = LTD_HV_LL_REG;
> + reg2 = TEMP_CH1_W_REG;
> + reg3 = DTS_T_CPU1_W_REG;
> + break;
> + case hwmon_temp_emergency_hyst:
> + reg1 = LTD_LV_LL_REG;
> + reg2 = TEMP_CH1_WH_REG;
> + reg3 = DTS_T_CPU1_WH_REG;
> + break;
> default:
> return -EOPNOTSUPP;
> }
> +
> + if (channel == 4)
> + ret = nct7904_read_reg(data, BANK_1, reg1);
> + else if (channel < 5)
> + ret = nct7904_read_reg(data, BANK_1,
> + reg2 + channel * 8);
> + else
> + ret = nct7904_read_reg(data, BANK_1,
> + reg3 + (channel - 5) * 4);
> +
> + if (ret < 0)
> + return ret;
> + *val = ret * 1000;
> + return 0;
> }
>
> static umode_t nct7904_temp_is_visible(const void *_data, u32 attr, int channel)
> {
> const struct nct7904_data *data = _data;
>
> - if (attr == hwmon_temp_input) {
> + switch (attr) {
> + case hwmon_temp_input:
> + case hwmon_temp_alarm:
> + case hwmon_temp_type:
> if (channel < 5) {
> if (data->tcpu_mask & BIT(channel))
> return 0444;
> @@ -267,6 +451,21 @@ static umode_t nct7904_temp_is_visible(const void *_data, u32 attr, int channel)
> if (data->has_dts & BIT(channel - 5))
> return 0444;
> }
> + break;
> + case hwmon_temp_max:
> + case hwmon_temp_max_hyst:
> + case hwmon_temp_emergency:
> + case hwmon_temp_emergency_hyst:
> + if (channel < 5) {
> + if (data->tcpu_mask & BIT(channel))
> + return 0644;
> + } else {
> + if (data->has_dts & BIT(channel - 5))
> + return 0644;
> + }
> + break;
> + default:
> + break;
> }
>
> return 0;
> @@ -297,6 +496,137 @@ static int nct7904_read_pwm(struct device *dev, u32 attr, int channel,
> }
> }
>
> +static int nct7904_write_temp(struct device *dev, u32 attr, int channel,
> + long val)
> +{
> + struct nct7904_data *data = dev_get_drvdata(dev);
> + int ret;
> + unsigned int reg1, reg2, reg3;
> +
> + val = clamp_val(val / 1000, -128, 127);
> +
> + switch (attr) {
> + case hwmon_temp_max:
> + reg1 = LTD_HV_HL_REG;
> + reg2 = TEMP_CH1_C_REG;
> + reg3 = DTS_T_CPU1_C_REG;
> + break;
> + case hwmon_temp_max_hyst:
> + reg1 = LTD_LV_HL_REG;
> + reg2 = TEMP_CH1_CH_REG;
> + reg3 = DTS_T_CPU1_CH_REG;
> + break;
> + case hwmon_temp_emergency:
> + reg1 = LTD_HV_LL_REG;
> + reg2 = TEMP_CH1_W_REG;
> + reg3 = DTS_T_CPU1_W_REG;
> + break;
> + case hwmon_temp_emergency_hyst:
> + reg1 = LTD_LV_LL_REG;
> + reg2 = TEMP_CH1_WH_REG;
> + reg3 = DTS_T_CPU1_WH_REG;
> + break;
> + default:
> + return -EOPNOTSUPP;
> + }
> + if (channel == 4)
> + ret = nct7904_write_reg(data, BANK_1, reg1, val);
> + else if (channel < 5)
> + ret = nct7904_write_reg(data, BANK_1,
> + reg2 + channel * 8, val);
> + else
> + ret = nct7904_write_reg(data, BANK_1,
> + reg3 + (channel - 5) * 4, val);
> +
> + return ret;
> +}
> +
> +static int nct7904_write_fan(struct device *dev, u32 attr, int channel,
> + long val)
> +{
> + struct nct7904_data *data = dev_get_drvdata(dev);
> + int ret;
> + u8 tmp;
> +
> + switch (attr) {
> + case hwmon_fan_min:
> + if (val <= 0)
> + return 0x1fff;
> +
> + val = clamp_val((1350000 + (val >> 1)) / val, 1, 0x1fff);
> + tmp = (val >> 5) & 0xff;
> + ret = nct7904_write_reg(data, BANK_1,
> + FANIN1_HV_HL_REG + channel * 2, tmp);
> + if (ret < 0)
> + return ret;
> + tmp = val & 0x1f;
> + ret = nct7904_write_reg(data, BANK_1,
> + FANIN1_LV_HL_REG + channel * 2, tmp);
> + return ret;
> + default:
> + return -EOPNOTSUPP;
> + }
> +}
> +
> +static int nct7904_write_in(struct device *dev, u32 attr, int channel,
> + long val)
> +{
> + struct nct7904_data *data = dev_get_drvdata(dev);
> + int ret, index, tmp;
> +
> + index = nct7904_chan_to_index[channel];
> +
> + if (index < 14)
> + val = val / 2; /* 0.002V scale */
> + else
> + val = val / 6; /* 0.006V scale */
> +
> + val = clamp_val(val, 0, 0x7ff); /* Bit 15 is sign bit */
> +
> + switch (attr) {
> + case hwmon_in_min:
> + tmp = nct7904_read_reg(data, BANK_1,
> + VSEN1_LV_LL_REG + index * 4);
> + if (tmp < 0)
> + return tmp;
> + tmp &= ~0x7;
> + tmp |= val & 0x7;
> + ret = nct7904_write_reg(data, BANK_1,
> + VSEN1_LV_LL_REG + index * 4, tmp);
> + if (ret < 0)
> + return ret;
> + tmp = nct7904_read_reg(data, BANK_1,
> + VSEN1_HV_LL_REG + index * 4);
> + if (tmp < 0)
> + return tmp;
> + tmp = (val >> 3) & 0xff;
> + ret = nct7904_write_reg(data, BANK_1,
> + VSEN1_HV_LL_REG + index * 4, tmp);
> + return ret;
> + case hwmon_in_max:
> + tmp = nct7904_read_reg(data, BANK_1,
> + VSEN1_LV_HL_REG + index * 4);
> + if (tmp < 0)
> + return tmp;
> + tmp &= ~0x7;
> + tmp |= val & 0x7;
> + ret = nct7904_write_reg(data, BANK_1,
> + VSEN1_LV_HL_REG + index * 4, tmp);
> + if (ret < 0)
> + return ret;
> + tmp = nct7904_read_reg(data, BANK_1,
> + VSEN1_HV_LL_REG + index * 4);
> + if (tmp < 0)
> + return tmp;
> + tmp = (val >> 3) & 0xff;
> + ret = nct7904_write_reg(data, BANK_1,
> + VSEN1_HV_LL_REG + index * 4, tmp);
> + return ret;
> + default:
> + return -EOPNOTSUPP;
> + }
> +}
> +
> static int nct7904_write_pwm(struct device *dev, u32 attr, int channel,
> long val)
> {
> @@ -354,8 +684,14 @@ static int nct7904_write(struct device *dev, enum hwmon_sensor_types type,
> u32 attr, int channel, long val)
> {
> switch (type) {
> + case hwmon_in:
> + return nct7904_write_in(dev, attr, channel, val);
> + case hwmon_fan:
> + return nct7904_write_fan(dev, attr, channel, val);
> case hwmon_pwm:
> return nct7904_write_pwm(dev, attr, channel, val);
> + case hwmon_temp:
> + return nct7904_write_temp(dev, attr, channel, val);
> default:
> return -EOPNOTSUPP;
> }
> @@ -404,51 +740,91 @@ static int nct7904_detect(struct i2c_client *client,
>
> static const struct hwmon_channel_info *nct7904_info[] = {
> HWMON_CHANNEL_INFO(in,
> - HWMON_I_INPUT, /* dummy, skipped in is_visible */
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT,
> - HWMON_I_INPUT),
> + /* dummy, skipped in is_visible */
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM,
> + HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
> + HWMON_I_ALARM),
> HWMON_CHANNEL_INFO(fan,
> - HWMON_F_INPUT,
> - HWMON_F_INPUT,
> - HWMON_F_INPUT,
> - HWMON_F_INPUT,
> - HWMON_F_INPUT,
> - HWMON_F_INPUT,
> - HWMON_F_INPUT,
> - HWMON_F_INPUT),
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM,
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM,
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM,
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM,
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM,
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM,
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM,
> + HWMON_F_INPUT | HWMON_F_MIN | HWMON_F_ALARM),
> HWMON_CHANNEL_INFO(pwm,
> HWMON_PWM_INPUT | HWMON_PWM_ENABLE,
> HWMON_PWM_INPUT | HWMON_PWM_ENABLE,
> HWMON_PWM_INPUT | HWMON_PWM_ENABLE,
> HWMON_PWM_INPUT | HWMON_PWM_ENABLE),
> HWMON_CHANNEL_INFO(temp,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT,
> - HWMON_T_INPUT),
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST,
> + HWMON_T_INPUT | HWMON_T_ALARM | HWMON_T_MAX |
> + HWMON_T_MAX_HYST | HWMON_T_TYPE | HWMON_T_EMERGENCY |
> + HWMON_T_EMERGENCY_HYST),
> NULL
> };
>
> @@ -530,11 +906,14 @@ static int nct7904_probe(struct i2c_client *client,
> if (ret < 0)
> return ret;
>
> + data->temp_mode = 0;
> for (i = 0; i < 4; i++) {
> val = (ret & (0x03 << i)) >> (i * 2);
> bit = (1 << i);
> if (val == 0)
> data->tcpu_mask &= ~bit;
> + else if (val == 0x1 || val == 0x2)
> + data->temp_mode |= bit;
> }
>
> /* PECI */
> @@ -557,7 +936,7 @@ static int nct7904_probe(struct i2c_client *client,
> if (ret < 0)
> return ret;
> data->has_dts = ret & 0xF;
> - if (data->enable_dts & 0x2) {
> + if (data->enable_dts & ENABLE_TSI) {
> ret = nct7904_read_reg(data, BANK_0, DTS_T_CTRL1_REG);
> if (ret < 0)
> return ret;

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