fan_select_offset 8169 drivers/platform/x86/thinkpad_acpi.c if (ec_read(fan_select_offset, &val) < 0) fan_select_offset 8172 drivers/platform/x86/thinkpad_acpi.c if (ec_write(fan_select_offset, val) < 0) fan_select_offset 8186 drivers/platform/x86/thinkpad_acpi.c if (ec_read(fan_select_offset, &val) < 0) fan_select_offset 8189 drivers/platform/x86/thinkpad_acpi.c if (ec_write(fan_select_offset, val) < 0)