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platform/x86: fujitsu-laptop: make disable_brightness_adjust a boolean 

Due to the way the disable_brightness_adjust module parameter is
currently handled in acpi_fujitsu_bl_add(), it can only be set to either
0 or 1, which effectively makes it a boolean.  Emphasize that by
changing module parameter type to bool.  Do not announce parameter value
in a debug message as it can be dynamically changed via sysfs and its
current value can also be read from there.  Clean up module parameter
description.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
This commit is contained in:
Michał Kępień 2017-04-05 08:49:06 +02:00 коммит произвёл Darren Hart (VMware)
Родитель e06e4831d5
Коммит b4bb0cfdb0
1 изменённых файлов: 4 добавлений и 9 удалений
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13
drivers/platform/x86/fujitsu-laptop.c
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@ -147,7 +147,7 @@ struct fujitsu_bl {
static struct fujitsu_bl *fujitsu_bl;
static int use_alt_lcd_levels = -1;
static int disable_brightness_adjust = -1;
static bool disable_brightness_adjust;
/* Device used to access hotkeys and other features on the laptop */
struct fujitsu_laptop {
@ -597,11 +597,6 @@ static int acpi_fujitsu_bl_add(struct acpi_device *device)
pr_err("_INI Method failed\n");
}
/* do config (detect defaults) */
disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
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;
get_lcd_level();
@ -640,7 +635,7 @@ static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event)
if (oldb == newb)
return;
if (disable_brightness_adjust != 1)
if (!disable_brightness_adjust)
set_lcd_level(newb);
sparse_keymap_report_event(input, oldb < newb, 1, true);
@ -1135,8 +1130,8 @@ module_exit(fujitsu_cleanup);
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 .");
module_param(disable_brightness_adjust, bool, 0644);
MODULE_PARM_DESC(disable_brightness_adjust, "Disable LCD brightness adjustment");
#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
module_param_named(debug, dbg_level, uint, 0644);
MODULE_PARM_DESC(debug, "Sets debug level bit-mask");