[patch 19/28] Input: convert sonypi to dynamic input_dev allocation

[Dmitry Torokhov]

Input: convert sonypi to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
---

 drivers/char/sonypi.c |   92 ++++++++++++++++++++++++++++----------------------
 1 files changed, 53 insertions(+), 39 deletions(-)

Index: work/drivers/char/sonypi.c
===================================================================
--- work.orig/drivers/char/sonypi.c
+++ work/drivers/char/sonypi.c
@@ -424,10 +424,6 @@ static struct sonypi_eventtypes {
 
 #define SONYPI_BUF_SIZE	128
 
-/* The name of the devices for the input device drivers */
-#define SONYPI_JOG_INPUTNAME	"Sony Vaio Jogdial"
-#define SONYPI_KEY_INPUTNAME	"Sony Vaio Keys"
-
 /* Correspondance table between sonypi events and input layer events */
 static struct {
 	int sonypiev;
@@ -490,8 +486,8 @@ static struct sonypi_device {
 	struct fasync_struct *fifo_async;
 	int open_count;
 	int model;
-	struct input_dev input_jog_dev;
-	struct input_dev input_key_dev;
+	struct input_dev *input_jog_dev;
+	struct input_dev *input_key_dev;
 	struct work_struct input_work;
 	struct kfifo *input_fifo;
 	spinlock_t input_fifo_lock;
@@ -779,8 +775,8 @@ static void input_keyrelease(void *data)
 
 static void sonypi_report_input_event(u8 event)
 {
-	struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
-	struct input_dev *key_dev = &sonypi_device.input_key_dev;
+	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
+	struct input_dev *key_dev = sonypi_device.input_key_dev;
 	struct sonypi_keypress kp = { NULL };
 	int i;
 
@@ -1203,6 +1199,47 @@ static struct device_driver sonypi_drive
 	.shutdown	= sonypi_shutdown,
 };
 
+static int __devinit sonypi_create_input_devices(void)
+{
+	struct input_dev *jog_dev;
+	struct input_dev *key_dev;
+	int i;
+
+	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
+	if (!jog_dev)
+		return -ENOMEM;
+
+	jog_dev->name = "Sony Vaio Jogdial";
+	jog_dev->id.bustype = BUS_ISA;
+	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
+
+	jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+	jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
+	jog_dev->relbit[0] = BIT(REL_WHEEL);
+
+	sonypi_device.input_key_dev = key_dev = input_allocate_device();
+	if (!key_dev) {
+		input_free_device(jog_dev);
+		sonypi_device.input_jog_dev = NULL;
+		return -ENOMEM;
+	}
+
+	key_dev->name = "Sony Vaio Keys";
+	key_dev->id.bustype = BUS_ISA;
+	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
+
+	/* Initialize the Input Drivers: special keys */
+	key_dev->evbit[0] = BIT(EV_KEY);
+	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
+		if (sonypi_inputkeys[i].inputev)
+			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
+
+	input_register_device(jog_dev);
+	input_register_device(key_dev);
+
+	return 0;
+}
+
 static int __devinit sonypi_probe(void)
 {
 	int i, ret;
@@ -1298,34 +1335,10 @@ static int __devinit sonypi_probe(void)
 	}
 
 	if (useinput) {
-		/* Initialize the Input Drivers: jogdial */
-		int i;
-		sonypi_device.input_jog_dev.evbit[0] =
-			BIT(EV_KEY) | BIT(EV_REL);
-		sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
-			BIT(BTN_MIDDLE);
-		sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
-		sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
-		sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
-		sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
-
-		input_register_device(&sonypi_device.input_jog_dev);
-		printk(KERN_INFO "%s input method installed.\n",
-		       sonypi_device.input_jog_dev.name);
 
-		/* Initialize the Input Drivers: special keys */
-		sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
-		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
-			if (sonypi_inputkeys[i].inputev)
-				set_bit(sonypi_inputkeys[i].inputev,
-					sonypi_device.input_key_dev.keybit);
-		sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
-		sonypi_device.input_key_dev.id.bustype = BUS_ISA;
-		sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
-
-		input_register_device(&sonypi_device.input_key_dev);
-		printk(KERN_INFO "%s input method installed.\n",
-		       sonypi_device.input_key_dev.name);
+		ret = sonypi_create_input_devices();
+		if (ret)
+			goto out_inputdevices;
 
 		spin_lock_init(&sonypi_device.input_fifo_lock);
 		sonypi_device.input_fifo =
@@ -1375,8 +1388,9 @@ static int __devinit sonypi_probe(void)
 out_platformdev:
 	kfifo_free(sonypi_device.input_fifo);
 out_infifo:
-	input_unregister_device(&sonypi_device.input_key_dev);
-	input_unregister_device(&sonypi_device.input_jog_dev);
+	input_unregister_device(sonypi_device.input_key_dev);
+	input_unregister_device(sonypi_device.input_jog_dev);
+out_inputdevices:
 	free_irq(sonypi_device.irq, sonypi_irq);
 out_reqirq:
 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
@@ -1402,8 +1416,8 @@ static void __devexit sonypi_remove(void
 	platform_device_unregister(sonypi_device.pdev);
 
 	if (useinput) {
-		input_unregister_device(&sonypi_device.input_key_dev);
-		input_unregister_device(&sonypi_device.input_jog_dev);
+		input_unregister_device(sonypi_device.input_key_dev);
+		input_unregister_device(sonypi_device.input_jog_dev);
 		kfifo_free(sonypi_device.input_fifo);
 	}
 

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