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hwmon: (nct6775) Replace 'regval' with variables named after config registers

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Using variables named after configuration registers makes it more obvious
which configuration register value is used, especially if more than one
configuration register value is used to determine a configuration detail.

No functional change.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2018-09-18 09:34:06 -07:00
parent 0085a5108d
commit a6c54f2cde
1 changed files with 23 additions and 20 deletions
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43
drivers/hwmon/nct6775.c
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@ -3436,7 +3436,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
bool pwm3pin = false, pwm4pin = false, pwm5pin = false;
bool pwm6pin = false, pwm7pin = false;
int sioreg = data->sioreg;
int regval;
int cr24;
int cr2c;
/* Store SIO_REG_ENABLE for use during resume */
superio_select(sioreg, NCT6775_LD_HWM);
@ -3444,10 +3445,10 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
/* fan4 and fan5 share some pins with the GPIO and serial flash */
if (data->kind == nct6775) {
regval = superio_inb(sioreg, 0x2c);
cr2c = superio_inb(sioreg, 0x2c);
fan3pin = regval & BIT(6);
pwm3pin = regval & BIT(7);
fan3pin = cr2c & BIT(6);
pwm3pin = cr2c & BIT(7);
/* On NCT6775, fan4 shares pins with the fdc interface */
fan4pin = !(superio_inb(sioreg, 0x2A) & 0x80);
@ -3492,30 +3493,32 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
fan4min = fan4pin;
pwm3pin = fan3pin;
} else if (data->kind == nct6106) {
regval = superio_inb(sioreg, 0x24);
fan3pin = !(regval & 0x80);
pwm3pin = regval & 0x08;
cr24 = superio_inb(sioreg, 0x24);
fan3pin = !(cr24 & 0x80);
pwm3pin = cr24 & 0x08;
} else {
/* NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D */
int cr1b, cr2a, cr2f;
int cr1c;
int cr2d;
bool dsw_en;
regval = superio_inb(sioreg, 0x1c);
cr1c = superio_inb(sioreg, 0x1c);
fan3pin = !(regval & BIT(5));
fan4pin = !(regval & BIT(6));
fan5pin = !(regval & BIT(7));
fan3pin = !(cr1c & BIT(5));
fan4pin = !(cr1c & BIT(6));
fan5pin = !(cr1c & BIT(7));
pwm3pin = !(regval & BIT(0));
pwm4pin = !(regval & BIT(1));
pwm5pin = !(regval & BIT(2));
pwm3pin = !(cr1c & BIT(0));
pwm4pin = !(cr1c & BIT(1));
pwm5pin = !(cr1c & BIT(2));
regval = superio_inb(sioreg, 0x2d);
cr2d = superio_inb(sioreg, 0x2d);
switch (data->kind) {
case nct6791:
case nct6792:
fan6pin = regval & BIT(1);
pwm6pin = regval & BIT(0);
fan6pin = cr2d & BIT(1);
pwm6pin = cr2d & BIT(0);
break;
case nct6793:
case nct6795:
@ -3526,7 +3529,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
dsw_en = cr2f & BIT(3);
if (!pwm5pin)
pwm5pin = regval & BIT(7);
pwm5pin = cr2d & BIT(7);
if (!fan5pin)
fan5pin = cr1b & BIT(5);
@ -3536,8 +3539,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
int creb = superio_inb(sioreg, 0xeb);
if (!dsw_en) {
fan6pin = regval & BIT(1);
pwm6pin = regval & BIT(0);
fan6pin = cr2d & BIT(1);
pwm6pin = cr2d & BIT(0);
}
if (!fan5pin)