The code has been extended to support up to 10 temperature sensors.

Changes from previous patch versions:

- fix wrong index ranges in i8k_is_visible() if conditions
- restore i8k_get_temp_type() as probe method for temp sensors because
  i8k_get_temp() is not reliable (for example it won't work when
  the sensors is turned off)

Signed-off-by: Michele Sorcinelli <michel...@autistici.org>
---
 drivers/hwmon/dell-smm-hwmon.c | 105 ++++++++++++++++++++++++++++-----
 1 file changed, 90 insertions(+), 15 deletions(-)
 mode change 100644 => 100755 drivers/hwmon/dell-smm-hwmon.c

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
old mode 100644
new mode 100755
index 367a8a617..73a30e3e4
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -82,9 +82,16 @@ static bool disallow_fan_support;
 #define I8K_HWMON_HAVE_TEMP2   (1 << 1)
 #define I8K_HWMON_HAVE_TEMP3   (1 << 2)
 #define I8K_HWMON_HAVE_TEMP4   (1 << 3)
-#define I8K_HWMON_HAVE_FAN1    (1 << 4)
-#define I8K_HWMON_HAVE_FAN2    (1 << 5)
-#define I8K_HWMON_HAVE_FAN3    (1 << 6)
+#define I8K_HWMON_HAVE_TEMP5   (1 << 4)
+#define I8K_HWMON_HAVE_TEMP6   (1 << 5)
+#define I8K_HWMON_HAVE_TEMP7   (1 << 6)
+#define I8K_HWMON_HAVE_TEMP8   (1 << 7)
+#define I8K_HWMON_HAVE_TEMP9   (1 << 8)
+#define I8K_HWMON_HAVE_TEMP10  (1 << 9)
+
+#define I8K_HWMON_HAVE_FAN1    (1 << 10)
+#define I8K_HWMON_HAVE_FAN2    (1 << 11)
+#define I8K_HWMON_HAVE_FAN3    (1 << 12)

 MODULE_AUTHOR("Massimo Dal Zotto (d...@debian.org)");
 MODULE_AUTHOR("Pali Rohár <pali.ro...@gmail.com>");
@@ -743,6 +750,25 @@ static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, 
i8k_hwmon_show_temp_label, NULL,
 static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 3);
 static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, i8k_hwmon_show_temp_label, 
NULL,
                          3);
+static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp5_label, S_IRUGO, i8k_hwmon_show_temp_label, 
NULL,
+                         4);
+static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp6_label, S_IRUGO, i8k_hwmon_show_temp_label, 
NULL,
+                         5);
+static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp7_label, S_IRUGO, i8k_hwmon_show_temp_label, 
NULL,
+                         6);
+static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 7);
+static SENSOR_DEVICE_ATTR(temp8_label, S_IRUGO, i8k_hwmon_show_temp_label, 
NULL,
+                         7);
+static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 8);
+static SENSOR_DEVICE_ATTR(temp9_label, S_IRUGO, i8k_hwmon_show_temp_label, 
NULL,
+                         8);
+static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 9);
+static SENSOR_DEVICE_ATTR(temp10_label, S_IRUGO, i8k_hwmon_show_temp_label, 
NULL,
+                         9);
+
 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, i8k_hwmon_show_fan, NULL, 0);
 static SENSOR_DEVICE_ATTR(fan1_label, S_IRUGO, i8k_hwmon_show_fan_label, NULL,
                          0);
@@ -770,15 +796,27 @@ static struct attribute *i8k_attrs[] = {
        &sensor_dev_attr_temp3_label.dev_attr.attr,     /* 5 */
        &sensor_dev_attr_temp4_input.dev_attr.attr,     /* 6 */
        &sensor_dev_attr_temp4_label.dev_attr.attr,     /* 7 */
-       &sensor_dev_attr_fan1_input.dev_attr.attr,      /* 8 */
-       &sensor_dev_attr_fan1_label.dev_attr.attr,      /* 9 */
-       &sensor_dev_attr_pwm1.dev_attr.attr,            /* 10 */
-       &sensor_dev_attr_fan2_input.dev_attr.attr,      /* 11 */
-       &sensor_dev_attr_fan2_label.dev_attr.attr,      /* 12 */
-       &sensor_dev_attr_pwm2.dev_attr.attr,            /* 13 */
-       &sensor_dev_attr_fan3_input.dev_attr.attr,      /* 14 */
-       &sensor_dev_attr_fan3_label.dev_attr.attr,      /* 15 */
-       &sensor_dev_attr_pwm3.dev_attr.attr,            /* 16 */
+       &sensor_dev_attr_temp5_input.dev_attr.attr,     /* 8 */
+       &sensor_dev_attr_temp5_label.dev_attr.attr,     /* 9 */
+       &sensor_dev_attr_temp6_input.dev_attr.attr,     /* 10 */
+       &sensor_dev_attr_temp6_label.dev_attr.attr,     /* 11 */
+       &sensor_dev_attr_temp7_input.dev_attr.attr,     /* 12 */
+       &sensor_dev_attr_temp7_label.dev_attr.attr,     /* 13 */
+       &sensor_dev_attr_temp8_input.dev_attr.attr,     /* 14 */
+       &sensor_dev_attr_temp8_label.dev_attr.attr,     /* 15 */
+       &sensor_dev_attr_temp9_input.dev_attr.attr,     /* 16 */
+       &sensor_dev_attr_temp9_label.dev_attr.attr,     /* 17 */
+       &sensor_dev_attr_temp10_input.dev_attr.attr,    /* 18 */
+       &sensor_dev_attr_temp10_label.dev_attr.attr,    /* 19 */
+       &sensor_dev_attr_fan1_input.dev_attr.attr,      /* 20 */
+       &sensor_dev_attr_fan1_label.dev_attr.attr,      /* 21 */
+       &sensor_dev_attr_pwm1.dev_attr.attr,            /* 22 */
+       &sensor_dev_attr_fan2_input.dev_attr.attr,      /* 23 */
+       &sensor_dev_attr_fan2_label.dev_attr.attr,      /* 24 */
+       &sensor_dev_attr_pwm2.dev_attr.attr,            /* 25 */
+       &sensor_dev_attr_fan3_input.dev_attr.attr,      /* 26 */
+       &sensor_dev_attr_fan3_label.dev_attr.attr,      /* 27 */
+       &sensor_dev_attr_pwm3.dev_attr.attr,            /* 28 */
        NULL
 };

@@ -802,13 +840,32 @@ static umode_t i8k_is_visible(struct kobject *kobj, 
struct attribute *attr,
        if (index >= 6 && index <= 7 &&
            !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP4))
                return 0;
-       if (index >= 8 && index <= 10 &&
+       if (index >= 8 && index <= 9 &&
+           !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP5))
+               return 0;
+       if (index >= 10 && index <= 11 &&
+           !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP6))
+               return 0;
+       if (index >= 12 && index <= 13 &&
+           !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP7))
+               return 0;
+       if (index >= 14 && index <= 15 &&
+           !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP8))
+               return 0;
+       if (index >= 16 && index <= 17 &&
+           !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP9))
+               return 0;
+       if (index >= 18 && index <= 19 &&
+           !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP10))
+               return 0;
+
+       if (index >= 20 && index <= 22 &&
            !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN1))
                return 0;
-       if (index >= 11 && index <= 13 &&
+       if (index >= 23 && index <= 25 &&
            !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN2))
                return 0;
-       if (index >= 14 && index <= 16 &&
+       if (index >= 26 && index <= 28 &&
            !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN3))
                return 0;

@@ -841,6 +898,24 @@ static int __init i8k_init_hwmon(void)
        err = i8k_get_temp_type(3);
        if (err >= 0)
                i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP4;
+       err = i8k_get_temp_type(4);
+       if (err >= 0)
+               i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP5;
+       err = i8k_get_temp_type(5);
+       if (err >= 0)
+               i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP6;
+       err = i8k_get_temp_type(6);
+       if (err >= 0)
+               i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP7;
+       err = i8k_get_temp_type(7);
+       if (err >= 0)
+               i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP8;
+       err = i8k_get_temp_type(8);
+       if (err >= 0)
+               i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP9;
+       err = i8k_get_temp_type(9);
+       if (err >= 0)
+               i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP10;

        /* First fan attributes, if fan status or type is OK */
        err = i8k_get_fan_status(0);
--
2.20.0

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