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[PATCH] Input: convert konicawc to dynamic input_dev allocation

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Input: convert konicawc to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov 2005-09-15 02:01:42 -05:00 committed by Greg Kroah-Hartman
parent c7f7a569d9
commit 0259567ad6
1 changed files with 61 additions and 28 deletions
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81
drivers/usb/media/konicawc.c
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@ -119,7 +119,7 @@ struct konicawc {
int yplanesz; /* Number of bytes in the Y plane */
unsigned int buttonsts:1;
#ifdef CONFIG_INPUT
struct input_dev input;
struct input_dev *input;
char input_physname[64];
#endif
};
@ -218,6 +218,57 @@ static void konicawc_adjust_picture(struct uvd *uvd)
konicawc_camera_on(uvd);
}
#ifdef CONFIG_INPUT
static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev)
{
struct input_dev *input_dev;
usb_make_path(dev, cam->input_physname, sizeof(cam->input_physname));
strncat(cam->input_physname, "/input0", sizeof(cam->input_physname));
cam->input = input_dev = input_allocate_device();
if (!input_dev) {
warn("Not enough memory for camera's input device\n");
return;
}
input_dev->name = "Konicawc snapshot button";
input_dev->phys = cam->input_physname;
usb_to_input_id(dev, &input_dev->id);
input_dev->cdev.dev = &dev->dev;
input_dev->evbit[0] = BIT(EV_KEY);
input_dev->keybit[LONG(BTN_0)] = BIT(BTN_0);
input_dev->private = cam;
input_register_device(cam->input);
}
static void konicawc_unregister_input(struct konicawc *cam)
{
if (cam->input) {
input_unregister_device(cam->input);
cam->input = NULL;
}
}
static void konicawc_report_buttonstat(struct konicawc *cam)
{
if (cam->input) {
input_report_key(cam->input, BTN_0, cam->buttonsts);
input_sync(cam->input);
}
}
#else
static inline void konicawc_register_input(struct konicawc *cam, struct usb_device *dev) { }
static inline void konicawc_unregister_input(struct konicawc *cam) { }
static inline void konicawc_report_buttonstat(struct konicawc *cam) { }
#endif /* CONFIG_INPUT */
static int konicawc_compress_iso(struct uvd *uvd, struct urb *dataurb, struct urb *stsurb)
{
@ -273,10 +324,7 @@ static int konicawc_compress_iso(struct uvd *uvd, struct urb *dataurb, struct ur
if(button != cam->buttonsts) {
DEBUG(2, "button: %sclicked", button ? "" : "un");
cam->buttonsts = button;
#ifdef CONFIG_INPUT
input_report_key(&cam->input, BTN_0, cam->buttonsts);
input_sync(&cam->input);
#endif
konicawc_report_buttonstat(cam);
}
if(sts == 0x01) { /* drop frame */
@ -718,7 +766,6 @@ static void konicawc_configure_video(struct uvd *uvd)
DEBUG(1, "setting initial values");
}
static int konicawc_probe(struct usb_interface *intf, const struct usb_device_id *devid)
{
struct usb_device *dev = interface_to_usbdev(intf);
@ -839,21 +886,8 @@ static int konicawc_probe(struct usb_interface *intf, const struct usb_device_id
err("usbvideo_RegisterVideoDevice() failed.");
uvd = NULL;
}
#ifdef CONFIG_INPUT
/* Register input device for button */
memset(&cam->input, 0, sizeof(struct input_dev));
cam->input.name = "Konicawc snapshot button";
cam->input.private = cam;
cam->input.evbit[0] = BIT(EV_KEY);
cam->input.keybit[LONG(BTN_0)] = BIT(BTN_0);
usb_to_input_id(dev, &cam->input.id);
input_register_device(&cam->input);
usb_make_path(dev, cam->input_physname, 56);
strcat(cam->input_physname, "/input0");
cam->input.phys = cam->input_physname;
info("konicawc: %s on %s\n", cam->input.name, cam->input.phys);
#endif
konicawc_register_input(cam, dev);
}
if (uvd) {
@ -869,10 +903,9 @@ static void konicawc_free_uvd(struct uvd *uvd)
int i;
struct konicawc *cam = (struct konicawc *)uvd->user_data;
#ifdef CONFIG_INPUT
input_unregister_device(&cam->input);
#endif
for (i=0; i < USBVIDEO_NUMSBUF; i++) {
konicawc_unregister_input(cam);
for (i = 0; i < USBVIDEO_NUMSBUF; i++) {
usb_free_urb(cam->sts_urb[i]);
cam->sts_urb[i] = NULL;
}