diff options
Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
| -rw-r--r-- | drivers/hid/usbhid/hid-core.c | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 91d610358d5..d91b9dac6df 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -446,7 +446,7 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { - struct hid_device *hid = dev->private; + struct hid_device *hid = input_get_drvdata(dev); struct hid_field *field; int offset; @@ -626,14 +626,10 @@ static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; - if (usbhid->inbuf) - usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma); - if (usbhid->outbuf) - usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma); - if (usbhid->cr) - usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma); - if (usbhid->ctrlbuf) - usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma); + usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma); + usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma); + usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma); + usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma); } /* @@ -692,6 +688,30 @@ static void hid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize) } } +/* + * Some USB barcode readers from cypress have usage min and usage max in + * the wrong order + */ +static void hid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize) +{ + short fixed = 0; + int i; + + for (i = 0; i < rsize - 4; i++) { + if (rdesc[i] == 0x29 && rdesc [i+2] == 0x19) { + unsigned char tmp; + + rdesc[i] = 0x19; rdesc[i+2] = 0x29; + tmp = rdesc[i+3]; + rdesc[i+3] = rdesc[i+1]; + rdesc[i+1] = tmp; + } + } + + if (fixed) + info("Fixing up Cypress report descriptor"); +} + static struct hid_device *usb_hid_configure(struct usb_interface *intf) { struct usb_host_interface *interface = intf->cur_altsetting; @@ -758,6 +778,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (quirks & HID_QUIRK_LOGITECH_DESCRIPTOR) hid_fixup_logitech_descriptor(rdesc, rsize); + if (quirks & HID_QUIRK_SWAPPED_MIN_MAX) + hid_fixup_cypress_descriptor(rdesc, rsize); + #ifdef CONFIG_HID_DEBUG printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n); for (n = 0; n < rsize; n++) |