diff options
| -rw-r--r-- | drivers/input/misc/ideapad_slidebar.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/input/misc/ideapad_slidebar.c b/drivers/input/misc/ideapad_slidebar.c index 7f1b3690b7e2..fea4a8960718 100644 --- a/drivers/input/misc/ideapad_slidebar.c +++ b/drivers/input/misc/ideapad_slidebar.c @@ -95,41 +95,29 @@ static struct platform_device *slidebar_platform_dev; static u8 slidebar_pos_get(void) { - u8 res; - unsigned long flags; + guard(spinlock_irqsave)(&io_lock); - spin_lock_irqsave(&io_lock, flags); outb(0xf4, 0xff29); outb(0xbf, 0xff2a); - res = inb(0xff2b); - spin_unlock_irqrestore(&io_lock, flags); - - return res; + return inb(0xff2b); } static u8 slidebar_mode_get(void) { - u8 res; - unsigned long flags; + guard(spinlock_irqsave)(&io_lock); - spin_lock_irqsave(&io_lock, flags); outb(0xf7, 0xff29); outb(0x8b, 0xff2a); - res = inb(0xff2b); - spin_unlock_irqrestore(&io_lock, flags); - - return res; + return inb(0xff2b); } static void slidebar_mode_set(u8 mode) { - unsigned long flags; + guard(spinlock_irqsave)(&io_lock); - spin_lock_irqsave(&io_lock, flags); outb(0xf7, 0xff29); outb(0x8b, 0xff2a); outb(mode, 0xff2b); - spin_unlock_irqrestore(&io_lock, flags); } static bool slidebar_i8042_filter(unsigned char data, unsigned char str, |