diff options
| -rw-r--r-- | drivers/platform/x86/fujitsu-laptop.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 4c3bba0ceb04..e79a8cf8d705 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -347,6 +347,12 @@ static int set_lcd_level(int level) char *method; switch (use_alt_lcd_levels) { + case -1: + if (acpi_has_method(fujitsu_bl->acpi_handle, "SBL2")) + method = "SBL2"; + else + method = "SBLL"; + break; case 1: method = "SBL2"; break; @@ -591,21 +597,10 @@ static int acpi_fujitsu_bl_add(struct acpi_device *device) pr_err("_INI Method failed\n"); } - if (use_alt_lcd_levels == -1) { - if (acpi_has_method(NULL, "\\_SB.PCI0.LPCB.FJEX.SBL2")) - use_alt_lcd_levels = 1; - else - use_alt_lcd_levels = 0; - vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as %i\n", - use_alt_lcd_levels); - } - /* do config (detect defaults) */ - use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0; disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0; - vdbg_printk(FUJLAPTOP_DBG_INFO, - "config: [alt interface: %d], [adjust disable: %d]\n", - use_alt_lcd_levels, disable_brightness_adjust); + vdbg_printk(FUJLAPTOP_DBG_INFO, "config: [adjust disable: %d]\n", + disable_brightness_adjust); if (get_max_brightness() <= 0) fujitsu_bl->max_brightness = FUJITSU_LCD_N_LEVELS; @@ -1138,9 +1133,8 @@ static void __exit fujitsu_cleanup(void) module_init(fujitsu_init); module_exit(fujitsu_cleanup); -module_param(use_alt_lcd_levels, uint, 0644); -MODULE_PARM_DESC(use_alt_lcd_levels, - "Use alternative interface for lcd_levels (needed for Lifebook s6410)."); +module_param(use_alt_lcd_levels, int, 0644); +MODULE_PARM_DESC(use_alt_lcd_levels, "Interface used for setting LCD brightness level (-1 = auto, 0 = force SBLL, 1 = force SBL2)"); module_param(disable_brightness_adjust, uint, 0644); MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment ."); #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG |