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Don't reset fan speed on disable full-fan-mode because it gets reset automatically

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This commit is contained in:
Werner Sembach 2021-03-03 12:09:52 +01:00
parent b8cb3ed34b
commit f2b722c7b6
1 changed files with 3 additions and 15 deletions
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18
src/tuxedo_io/tongfang_wmi.h
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@ -336,25 +336,13 @@ static u32 uw_set_fan(u32 fan_index, u8 fan_speed)
static u32 uw_set_fan_auto(void)
{
u8 reg_high = 0x18;
u32 i;
union uw_ec_read_return reg_read_return;
union uw_ec_write_return reg_write_return;
u8 low_reg_fan0 = 0x04;
u8 low_reg_fan1 = 0x09;
// Check current mode
// Get current mode
uw_ec_read_addr(0x51, 0x07, &reg_read_return);
if (reg_read_return.bytes.data_low & 0x40) {
// If "full fan mode" (i.e. 0x40 bit set) switch it off
uw_ec_write_addr(0x51, 0x07, reg_read_return.bytes.data_low & 0xbf, 0x00, &reg_write_return);
// Attempt to write both fans to 100% to restore default "full fan mode"
for (i = 0; i < 10; ++i) {
uw_ec_write_addr(low_reg_fan0, reg_high, 0xc8, 0x00, &reg_write_return);
uw_ec_write_addr(low_reg_fan1, reg_high, 0xc8, 0x00, &reg_write_return);
msleep(10);
}
}
// Switch off "full fan mode" (i.e. unset 0x40 bit)
uw_ec_write_addr(0x51, 0x07, reg_read_return.bytes.data_low & 0xbf, 0x00, &reg_write_return);
return 0;
}