Hi Przemo, On Sun, Sep 09, 2012 at 03:37:18PM -0400, Przemo Firszt wrote: > This patch adds a new way of handling Wacom Intuos4 family OLEDs. > Previously the images had to be 'scrambled' by userland application. Now > the 'scrambling' is done in the kernel module, so user space can send > simple 64x32 pixels 4-bit grayscale (2 pixels per byte) 0,0 in top left corner > images straight to a wacom OLED sysfs entry. An example: > > dd bs=1024 if=image_file \ > of=/sys/bus/usb/drivers/wacom/[DevNo]/wacom_led/button[No]_formattedimg \ > count=1 > > This patch greatly simplifies user space preparation of the image. > The raw image sysfs enties are still present to avoid breaking API. I do not not believe that we should add code to the kernel for tasks that can be just as easily performed in userspace. Thanks! -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
