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Input: aaed2000_kbd - convert to use polldev library 

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2007-05-03 01:02:07 -04:00
parent e37a97d440
commit 3f07d87962
2 changed files with 21 additions and 42 deletions
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1
drivers/input/keyboard/Kconfig
View File

@ -215,6 +215,7 @@ config KEYBOARD_PXA27x
config KEYBOARD_AAED2000 config KEYBOARD_AAED2000
tristate "AAED-2000 keyboard" tristate "AAED-2000 keyboard"
depends on MACH_AAED2000 depends on MACH_AAED2000
select INPUT_POLLDEV
default y default y
help help
Say Y here to enable the keyboard on the Agilent AAED-2000 Say Y here to enable the keyboard on the Agilent AAED-2000

62
drivers/input/keyboard/aaed2000_kbd.c
View File

@ -14,12 +14,11 @@
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/input.h> #include <linux/input-polldev.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/jiffies.h> #include <linux/jiffies.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/workqueue.h>
#include <asm/arch/hardware.h> #include <asm/arch/hardware.h>
#include <asm/arch/aaed2000.h> #include <asm/arch/aaed2000.h>
@ -46,8 +45,7 @@ static unsigned char aaedkbd_keycode[NR_SCANCODES] = {
struct aaedkbd { struct aaedkbd {
unsigned char keycode[ARRAY_SIZE(aaedkbd_keycode)]; unsigned char keycode[ARRAY_SIZE(aaedkbd_keycode)];
struct input_dev *input; struct input_polled_dev *poll_dev;
struct work_struct workq;
int kbdscan_state[KB_COLS]; int kbdscan_state[KB_COLS];
int kbdscan_count[KB_COLS]; int kbdscan_count[KB_COLS];
}; };
@ -64,14 +62,15 @@ static void aaedkbd_report_col(struct aaedkbd *aaedkbd,
scancode = SCANCODE(row, col); scancode = SCANCODE(row, col);
pressed = rowd & KB_ROWMASK(row); pressed = rowd & KB_ROWMASK(row);
input_report_key(aaedkbd->input, aaedkbd->keycode[scancode], pressed); input_report_key(aaedkbd->poll_dev->input,
aaedkbd->keycode[scancode], pressed);
} }
} }
/* Scan the hardware keyboard and push any changes up through the input layer */ /* Scan the hardware keyboard and push any changes up through the input layer */
static void aaedkbd_work(void *data) static void aaedkbd_poll(struct input_polled_dev *dev)
{ {
struct aaedkbd *aaedkbd = data; struct aaedkbd *aaedkbd = dev->private;
unsigned int col, rowd; unsigned int col, rowd;
col = 0; col = 0;
@ -90,51 +89,34 @@ static void aaedkbd_work(void *data)
} while (col < KB_COLS); } while (col < KB_COLS);
AAEC_GPIO_KSCAN = 0x07; AAEC_GPIO_KSCAN = 0x07;
input_sync(aaedkbd->input); input_sync(dev->input);
schedule_delayed_work(&aaedkbd->workq, msecs_to_jiffies(SCAN_INTERVAL));
}
static int aaedkbd_open(struct input_dev *indev)
{
struct aaedkbd *aaedkbd = input_get_drvdata(indev);
schedule_delayed_work(&aaedkbd->workq, msecs_to_jiffies(SCAN_INTERVAL));
return 0;
}
static void aaedkbd_close(struct input_dev *indev)
{
struct aaedkbd *aaedkbd = input_get_drvdata(indev);
cancel_delayed_work(&aaedkbd->workq);
flush_scheduled_work();
} }
static int __devinit aaedkbd_probe(struct platform_device *pdev) static int __devinit aaedkbd_probe(struct platform_device *pdev)
{ {
struct aaedkbd *aaedkbd; struct aaedkbd *aaedkbd;
struct input_polled_dev *poll_dev;
struct input_dev *input_dev; struct input_dev *input_dev;
int i; int i;
int error; int error;
aaedkbd = kzalloc(sizeof(struct aaedkbd), GFP_KERNEL); aaedkbd = kzalloc(sizeof(struct aaedkbd), GFP_KERNEL);
input_dev = input_allocate_device(); poll_dev = input_allocate_polled_device();
if (!aaedkbd || !input_dev) { if (!aaedkbd || !poll_dev) {
error = -ENOMEM; error = -ENOMEM;
goto fail; goto fail;
} }
platform_set_drvdata(pdev, aaedkbd); platform_set_drvdata(pdev, aaedkbd);
aaedkbd->input = input_dev; aaedkbd->poll_dev = poll_dev;
/* Init keyboard rescan workqueue */
INIT_WORK(&aaedkbd->workq, aaedkbd_work, aaedkbd);
memcpy(aaedkbd->keycode, aaedkbd_keycode, sizeof(aaedkbd->keycode)); memcpy(aaedkbd->keycode, aaedkbd_keycode, sizeof(aaedkbd->keycode));
poll_dev->private = aaedkbd;
poll_dev->poll = aaedkbd_poll;
poll_dev->poll_interval = SCAN_INTERVAL;
input_dev = poll_dev->input;
input_dev->name = "AAED-2000 Keyboard"; input_dev->name = "AAED-2000 Keyboard";
input_dev->phys = "aaedkbd/input0"; input_dev->phys = "aaedkbd/input0";
input_dev->id.bustype = BUS_HOST; input_dev->id.bustype = BUS_HOST;
@ -143,8 +125,6 @@ static int __devinit aaedkbd_probe(struct platform_device *pdev)
input_dev->id.version = 0x0100; input_dev->id.version = 0x0100;
input_dev->dev.parent = &pdev->dev; input_dev->dev.parent = &pdev->dev;
input_set_drvdata(input_dev, aaedkbd);
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
input_dev->keycode = aaedkbd->keycode; input_dev->keycode = aaedkbd->keycode;
input_dev->keycodesize = sizeof(unsigned char); input_dev->keycodesize = sizeof(unsigned char);
@ -154,17 +134,14 @@ static int __devinit aaedkbd_probe(struct platform_device *pdev)
set_bit(aaedkbd->keycode[i], input_dev->keybit); set_bit(aaedkbd->keycode[i], input_dev->keybit);
clear_bit(0, input_dev->keybit); clear_bit(0, input_dev->keybit);
input_dev->open = aaedkbd_open; error = input_register_polled_device(aaedkbd->poll_dev);
input_dev->close = aaedkbd_close;
error = input_register_device(aaedkbd->input);
if (error) if (error)
goto fail; goto fail;
return 0; return 0;
fail: kfree(aaedkbd); fail: kfree(aaedkbd);
input_free_device(input_dev); input_free_polled_device(poll_dev);
return error; return error;
} }
@ -172,7 +149,8 @@ static int __devexit aaedkbd_remove(struct platform_device *pdev)
{ {
struct aaedkbd *aaedkbd = platform_get_drvdata(pdev); struct aaedkbd *aaedkbd = platform_get_drvdata(pdev);
input_unregister_device(aaedkbd->input); input_unregister_polled_device(aaedkbd->poll_dev);
input_free_polled_device(aaedkbd->poll_dev);
kfree(aaedkbd); kfree(aaedkbd);
return 0; return 0;