Commit 39a6dcf6 authored by Frank Crawford's avatar Frank Crawford Committed by Guenter Roeck
Browse files

hwmon: (it87) Add controls for chips with only 4 PWMs 



Add feature and support for chips with only 4 PWMs.

Signed-off-by: default avatarFrank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20230429115205.1547251-3-frank@crawford.emu.id.au


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 5a4417bc

drivers/hwmon/it87.c

+9 −3
Original line number Diff line number Diff line
@@ -318,6 +318,7 @@ struct it87_devices { 
 */

#define FEAT_CONF_NOEXIT	BIT(19)	/* Chip should not exit conf mode */

#define FEAT_FOUR_FANS		BIT(20)	/* Supports four fans */

#define FEAT_FOUR_PWM		BIT(21)	/* Supports four fan controls */



static const struct it87_devices it87_devices[] = {

	[it87] = {
@@ -518,8 +519,11 @@ static const struct it87_devices it87_devices[] = { 
#define has_vid(data)		((data)->features & FEAT_VID)

#define has_in7_internal(data)	((data)->features & FEAT_IN7_INTERNAL)

#define has_avcc3(data)		((data)->features & FEAT_AVCC3)

#define has_five_pwm(data)	((data)->features & (FEAT_FIVE_PWM \

						     | FEAT_SIX_PWM))

#define has_four_pwm(data)	((data)->features & (FEAT_FOUR_PWM | \

						     FEAT_FIVE_PWM | \

						     FEAT_SIX_PWM))

#define has_five_pwm(data)	((data)->features & (FEAT_FIVE_PWM | \

						     FEAT_SIX_PWM))

#define has_six_pwm(data)	((data)->features & FEAT_SIX_PWM)

#define has_pwm_freq2(data)	((data)->features & FEAT_PWM_FREQ2)

#define has_six_temp(data)	((data)->features & FEAT_SIX_TEMP)
@@ -2734,8 +2738,10 @@ static int __init it87_find(int sioaddr, unsigned short *address, 
	else

		sio_data->skip_in |= BIT(9);



	if (!has_five_pwm(config))

	if (!has_four_pwm(config))

		sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5);

	else if (!has_five_pwm(config))

		sio_data->skip_pwm |= BIT(4) | BIT(5);

	else if (!has_six_pwm(config))

		sio_data->skip_pwm |= BIT(5);