Input: aaed2000_kbd - convert to use polldev library
[sfrench/cifs-2.6.git] / drivers / input / keyboard / aaed2000_kbd.c
index 3a37505f067cc8cae3f551b1b26f0d7752133860..63d6ead6b877051baf18392140cd9e23a2df9f68 100644 (file)
 #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;