/* SPDX-License-Identifier: GPL-2.0-only */ #include <commonlib/helpers.h> #include <northbridge/intel/gm45/gm45.h> /* * This contains a list of panel IDs and a known well working * backlight PWM frequency. */ static const struct blc_pwm_t blc_entries[] = { /* Vendor BIOS seems to intend to set PWM freq at 220Hz */ /* T400 */ {"B141EW04 V7 ", 110}, {"B141EW05 V3 ", 450}, {"LP141WX3-TLR1", 110}, {"LP141WX5-TLP2", 450}, {"LTN141AT12401", 450}, {"LTN141W1-L05", 110}, {"LTN141WD-L05", 110}, /* T500 */ {"LP154W02-TL06", 110}, {"LTN154P2-L05", 110}, {"LTN154P3-L02", 110}, {"LTN154X3-L02", 110}, {"LTN154U2-L05", 110}, /* R500 */ {"154WX5-TLB2", 220}, }; int get_blc_values(const struct blc_pwm_t **entries) { *entries = blc_entries; return ARRAY_SIZE(blc_entries); }