aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input/misc/pcspkr.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/misc/pcspkr.c')
-rw-r--r--drivers/input/misc/pcspkr.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index 31989dcd922c..c19f77fbaf2a 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -17,14 +17,20 @@
17#include <linux/init.h> 17#include <linux/init.h>
18#include <linux/input.h> 18#include <linux/input.h>
19#include <linux/platform_device.h> 19#include <linux/platform_device.h>
20#include <asm/8253pit.h>
21#include <asm/io.h> 20#include <asm/io.h>
22 21
23MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 22MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
24MODULE_DESCRIPTION("PC Speaker beeper driver"); 23MODULE_DESCRIPTION("PC Speaker beeper driver");
25MODULE_LICENSE("GPL"); 24MODULE_LICENSE("GPL");
25MODULE_ALIAS("platform:pcspkr");
26 26
27static DEFINE_SPINLOCK(i8253_beep_lock); 27#ifdef CONFIG_X86
28/* Use the global PIT lock ! */
29#include <asm/i8253.h>
30#else
31#include <asm/8253pit.h>
32static DEFINE_SPINLOCK(i8253_lock);
33#endif
28 34
29static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 35static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
30{ 36{
@@ -43,7 +49,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
43 if (value > 20 && value < 32767) 49 if (value > 20 && value < 32767)
44 count = PIT_TICK_RATE / value; 50 count = PIT_TICK_RATE / value;
45 51
46 spin_lock_irqsave(&i8253_beep_lock, flags); 52 spin_lock_irqsave(&i8253_lock, flags);
47 53
48 if (count) { 54 if (count) {
49 /* enable counter 2 */ 55 /* enable counter 2 */
@@ -58,7 +64,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
58 outb(inb_p(0x61) & 0xFC, 0x61); 64 outb(inb_p(0x61) & 0xFC, 0x61);
59 } 65 }
60 66
61 spin_unlock_irqrestore(&i8253_beep_lock, flags); 67 spin_unlock_irqrestore(&i8253_lock, flags);
62 68
63 return 0; 69 return 0;
64} 70}