Input: aaed2000_kbd - convert to use polldev library

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

2 files changed, 21 insertions, 42 deletions

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index e2851725646a..cbf2abb061ad 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -215,6 +215,7 @@ config KEYBOARD_PXA27x
 config KEYBOARD_AAED2000
         tristate "AAED-2000 keyboard"
         depends on MACH_AAED2000
+        select INPUT_POLLDEV
         default y
         help
           Say Y here to enable the keyboard on the Agilent AAED-2000
diff --git a/drivers/input/keyboard/aaed2000_kbd.c b/drivers/input/keyboard/aaed2000_kbd.c
index 3a37505f067c..63d6ead6b877 100644
--- a/drivers/input/keyboard/aaed2000_kbd.c
+++ b/drivers/input/keyboard/aaed2000_kbd.c
@@ -14,12 +14,11 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/init.h>
-#include <linux/input.h>
+#include <linux/input-polldev.h>
 #include <linux/interrupt.h>
 #include <linux/jiffies.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/workqueue.h>
 
 #include <asm/arch/hardware.h>
 #include <asm/arch/aaed2000.h>
@@ -46,8 +45,7 @@ static unsigned char aaedkbd_keycode[NR_SCANCODES] = {
 
 struct aaedkbd {
         unsigned char keycode[ARRAY_SIZE(aaedkbd_keycode)];
-        struct input_dev *input;
-        struct work_struct workq;
+        struct input_polled_dev *poll_dev;
         int kbdscan_state[KB_COLS];
         int kbdscan_count[KB_COLS];
 };
@@ -64,14 +62,15 @@ static void aaedkbd_report_col(struct aaedkbd *aaedkbd,
                 scancode = SCANCODE(row, col);
                 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 */
-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;
 
         col = 0;
@@ -90,51 +89,34 @@ static void aaedkbd_work(void *data)
         } while (col < KB_COLS);
 
         AAEC_GPIO_KSCAN = 0x07;
-        input_sync(aaedkbd->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();
+        input_sync(dev->input);
 }
 
 static int __devinit aaedkbd_probe(struct platform_device *pdev)
 {
         struct aaedkbd *aaedkbd;
+        struct input_polled_dev *poll_dev;
         struct input_dev *input_dev;
         int i;
         int error;
 
         aaedkbd = kzalloc(sizeof(struct aaedkbd), GFP_KERNEL);
-        input_dev = input_allocate_device();
-        if (!aaedkbd || !input_dev) {
+        poll_dev = input_allocate_polled_device();
+        if (!aaedkbd || !poll_dev) {
                 error = -ENOMEM;
                 goto fail;
         }
 
         platform_set_drvdata(pdev, aaedkbd);
 
-        aaedkbd->input = input_dev;
-
-        /* Init keyboard rescan workqueue */
-        INIT_WORK(&aaedkbd->workq, aaedkbd_work, aaedkbd);
-
+        aaedkbd->poll_dev = poll_dev;
         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->phys = "aaedkbd/input0";
         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->dev.parent = &pdev->dev;
 
-        input_set_drvdata(input_dev, aaedkbd);
-
         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
         input_dev->keycode = aaedkbd->keycode;
         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);
         clear_bit(0, input_dev->keybit);
 
-        input_dev->open = aaedkbd_open;
-        input_dev->close = aaedkbd_close;
-
-        error = input_register_device(aaedkbd->input);
+        error = input_register_polled_device(aaedkbd->poll_dev);
         if (error)
                 goto fail;
 
         return 0;
 
  fail:  kfree(aaedkbd);
-        input_free_device(input_dev);
+        input_free_polled_device(poll_dev);
         return error;
 }
 
@@ -172,7 +149,8 @@ static int __devexit aaedkbd_remove(struct platform_device *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);
 
         return 0;