#define I8K_SMM_GET_FAN 0x00a3
#define I8K_SMM_GET_SPEED 0x02a3
#define I8K_SMM_GET_TEMP 0x10a3
-#define I8K_SMM_GET_DELL_SIG 0xffa3
+#define I8K_SMM_GET_DELL_SIG1 0xfea3
+#define I8K_SMM_GET_DELL_SIG2 0xffa3
#define I8K_SMM_BIOS_VERSION 0x00a6
#define I8K_FAN_MULT 30
static inline char *i8k_get_dmi_data(int field)
{
- return dmi_get_system_info(field) ? : "N/A";
+ char *dmi_data = dmi_get_system_info(field);
+
+ return dmi_data && *dmi_data ? dmi_data : "?";
}
/*
/*
* Read the cpu temperature.
*/
-static int i8k_get_cpu_temp(void)
+static int i8k_get_temp(int sensor)
{
struct smm_regs regs = { .eax = I8K_SMM_GET_TEMP, };
int rc;
#ifdef I8K_TEMPERATURE_BUG
static int prev;
#endif
-
+ regs.ebx = sensor & 0xff;
if ((rc = i8k_smm(®s)) < 0)
return rc;
return temp;
}
-static int i8k_get_dell_signature(void)
+static int i8k_get_dell_signature(int req_fn)
{
- struct smm_regs regs = { .eax = I8K_SMM_GET_DELL_SIG, };
+ struct smm_regs regs = { .eax = req_fn, };
int rc;
if ((rc = i8k_smm(®s)) < 0)
break;
case I8K_GET_TEMP:
- val = i8k_get_cpu_temp();
+ val = i8k_get_temp(0);
break;
case I8K_GET_SPEED:
int fn_key, cpu_temp, ac_power;
int left_fan, right_fan, left_speed, right_speed;
- cpu_temp = i8k_get_cpu_temp(); /* 11100 µs */
+ cpu_temp = i8k_get_temp(0); /* 11100 µs */
left_fan = i8k_get_fan_status(I8K_FAN_LEFT); /* 580 µs */
right_fan = i8k_get_fan_status(I8K_FAN_RIGHT); /* 580 µs */
left_speed = i8k_get_fan_speed(I8K_FAN_LEFT); /* 580 µs */
return seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n",
I8K_PROC_FMT,
bios_version,
- dmi_get_system_info(DMI_PRODUCT_SERIAL) ? : "N/A",
+ i8k_get_dmi_data(DMI_PRODUCT_SERIAL),
cpu_temp,
left_fan, right_fan, left_speed, right_speed,
ac_power, fn_key);
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude"),
},
},
+ {
+ .ident = "Dell Inspiron 2",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron"),
+ },
+ },
+ {
+ .ident = "Dell Latitude 2",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Latitude"),
+ },
+ },
{ }
};
/*
* Get SMM Dell signature
*/
- if (i8k_get_dell_signature() != 0) {
+ if (i8k_get_dell_signature(I8K_SMM_GET_DELL_SIG1) &&
+ i8k_get_dell_signature(I8K_SMM_GET_DELL_SIG2)) {
printk(KERN_ERR "i8k: unable to get SMM Dell signature\n");
if (!force)
return -ENODEV;