Symbol: TP_EC_BACKLIGHT
drivers/platform/x86/lenovo/thinkpad_acpi.c
6483
if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
drivers/platform/x86/lenovo/thinkpad_acpi.c
6520
if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
drivers/platform/x86/lenovo/thinkpad_acpi.c
6536
if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
drivers/platform/x86/lenovo/thinkpad_acpi.c
6539
if (unlikely(!acpi_ec_write(TP_EC_BACKLIGHT,