diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/via/lcd.c | 40 |
1 files changed, 14 insertions, 26 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c index e3e597f937a5..09353e2b92f6 100644 --- a/drivers/video/via/lcd.c +++ b/drivers/video/via/lcd.c @@ -1134,45 +1134,33 @@ static void integrated_lvds_enable(struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info) { - bool turn_on_first_powersequence = false; - bool turn_on_second_powersequence = false; - DEBUG_MSG(KERN_INFO "integrated_lvds_enable, out_interface:%d\n", plvds_chip_info->output_interface); if (plvds_setting_info->lcd_mode == LCD_SPWG) viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT0 + BIT1); - else + else viafb_write_reg_mask(CRD2, VIACR, 0x03, BIT0 + BIT1); - if (INTERFACE_LVDS0LVDS1 == plvds_chip_info->output_interface) - turn_on_first_powersequence = true; - if (INTERFACE_LVDS0 == plvds_chip_info->output_interface) - turn_on_first_powersequence = true; - if (INTERFACE_LVDS1 == plvds_chip_info->output_interface) - turn_on_second_powersequence = true; - - if (turn_on_second_powersequence) { - /* Use second power sequence control: */ - - /* Use hardware control power sequence. */ - viafb_write_reg_mask(CRD3, VIACR, 0, BIT0); - - /* Turn on back light. */ - viafb_write_reg_mask(CRD3, VIACR, 0, BIT6 + BIT7); - /* Turn on hardware power sequence. */ - viafb_write_reg_mask(CRD4, VIACR, 0x02, BIT1); - } - if (turn_on_first_powersequence) { + switch (plvds_chip_info->output_interface) { + case INTERFACE_LVDS0LVDS1: + case INTERFACE_LVDS0: /* Use first power sequence control: */ - /* Use hardware control power sequence. */ viafb_write_reg_mask(CR91, VIACR, 0, BIT0); - /* Turn on back light. */ viafb_write_reg_mask(CR91, VIACR, 0, BIT6 + BIT7); - /* Turn on hardware power sequence. */ viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3); + break; + case INTERFACE_LVDS1: + /* Use second power sequence control: */ + /* Use hardware control power sequence. */ + viafb_write_reg_mask(CRD3, VIACR, 0, BIT0); + /* Turn on back light. */ + viafb_write_reg_mask(CRD3, VIACR, 0, BIT6 + BIT7); + /* Turn on hardware power sequence. */ + viafb_write_reg_mask(CRD4, VIACR, 0x02, BIT1); + break; } /* Turn DFP High/Low pad on. */ |
