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Make sure full fan mode is (un-)set correctly

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This commit is contained in:
Werner Sembach 2022-09-29 15:16:04 +02:00
parent d3a8c76aa6
commit e92bbccbe0
1 changed files with 20 additions and 3 deletions
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23
src/tuxedo_io/tuxedo_io.c
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@ -167,6 +167,23 @@ static int has_universal_ec_fan_control(void) {
return (data >> 6) & 1; return (data >> 6) & 1;
} }
static int set_full_fan_mode(bool enable) {
u8 mode_data;
uniwill_read_ec_ram(0x0751, &mode_data);
if (enable && !(mode_data & 0x40)) {
// If not "full fan mode" (i.e. 0x40 bit not set) switch to it (required for old fancontrol)
return uniwill_write_ec_ram(0x0751, mode_data | 0x40);
}
else if (mode_data & 0x40){
// If "full fan mode" (i.e. 0x40 bit set) turn it off (required for new fancontrol)
return uniwill_write_ec_ram(0x0751, mode_data & ~0x40);
}
return 0;
}
static bool fans_initialized = false; static bool fans_initialized = false;
static int uw_init_fan(void) { static int uw_init_fan(void) {
@ -186,6 +203,8 @@ static int uw_init_fan(void) {
u16 addr_gpu_custom_fan_table_fan_speed = 0x0f50; u16 addr_gpu_custom_fan_table_fan_speed = 0x0f50;
if (!fans_initialized && (has_universal_ec_fan_control() == 1)) { if (!fans_initialized && (has_universal_ec_fan_control() == 1)) {
set_full_fan_mode(false);
uniwill_read_ec_ram(addr_use_custom_fan_table_0, &value_use_custom_fan_table_0); uniwill_read_ec_ram(addr_use_custom_fan_table_0, &value_use_custom_fan_table_0);
uniwill_read_ec_ram(addr_use_custom_fan_table_1, &value_use_custom_fan_table_1); uniwill_read_ec_ram(addr_use_custom_fan_table_1, &value_use_custom_fan_table_1);
@ -231,8 +250,6 @@ static u32 uw_set_fan(u32 fan_index, u8 fan_speed)
if (has_universal_ec_fan_control() == 1) { if (has_universal_ec_fan_control() == 1) {
uw_init_fan(); uw_init_fan();
// TODO Disable full fan mode
if (fan_index == 0) if (fan_index == 0)
addr_for_fan = addr_cpu_custom_fan_table_fan_speed; addr_for_fan = addr_cpu_custom_fan_table_fan_speed;
else if (fan_index == 1) else if (fan_index == 1)
@ -254,7 +271,7 @@ static u32 uw_set_fan(u32 fan_index, u8 fan_speed)
uniwill_read_ec_ram(0x0751, &mode_data); uniwill_read_ec_ram(0x0751, &mode_data);
if (!(mode_data & 0x40)) { if (!(mode_data & 0x40)) {
// If not "full fan mode" (i.e. 0x40 bit set) switch to it (required for fancontrol) // If not "full fan mode" (i.e. 0x40 bit set) switch to it (required for fancontrol)
uniwill_write_ec_ram(0x0751, mode_data | 0x40); set_full_fan_mode(true);
// Attempt to write both fans as quick as possible before complete ramp-up // Attempt to write both fans as quick as possible before complete ramp-up
pr_debug("prevent ramp-up start\n"); pr_debug("prevent ramp-up start\n");
for (i = 0; i < 10; ++i) { for (i = 0; i < 10; ++i) {