/**
* Write device file "set_key_row"
*
* Writes the colour rows on the keyboard. Takes in all the colours for the keyboard
*/
static ssize_t razer_attr_write_set_key_row(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
size_t offset = 0;
unsigned char row_index;
struct usb_interface *intf = to_usb_interface(dev->parent);
struct usb_device *usb_dev = interface_to_usbdev(intf);
size_t buf_size = RAZER_BLACKWIDOW_CHROMA_ROW_LEN * 3 + 1;
while(offset < count) {
if((count-offset) < buf_size) {
printk(KERN_ALERT "Wrong Amount of RGB data provided: %d of %d\n",(int)(count-offset), (int)buf_size);
return -EINVAL;
}
row_index = (unsigned char)buf[offset];
razer_set_key_row(usb_dev, row_index, (unsigned char*)&buf[offset + 1]);
offset += buf_size;
}
return count;
}
static ssize_t razer_attr_write_set_key_row(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_interface *intf = to_usb_interface(dev->parent);
//struct razer_kbd_device *widow = usb_get_intfdata(intf);
struct usb_device *usb_dev = interface_to_usbdev(intf);
size_t buf_size = (RAZER_BLACKWIDOW_CHROMA_ROW_LEN+1)*3 + 1;
//printk(KERN_ALERT "sizeof(razer_row_rgb): %d\n",sizeof(struct razer_row_rgb));
size_t offset = 0;
while(offset<count)
{
unsigned char row_index = (unsigned char)buf[offset];
if(count-offset < buf_size)
{
printk(KERN_ALERT "Wrong Amount of RGB data provided: %d of %d\n",(int)count,(int)buf_size);
return 0;
}
razer_set_key_row(usb_dev,row_index,(struct razer_row_rgb*)&buf[offset+1]);
offset += buf_size;
}
return count;
}
