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18 December 2008, 08:16

Kernel Log: What's coming in 2.6.28 - Part 8: Video4Linux/DVB, (Wireless) USB, hardware monitoring, and input devices

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Kernel log logo More than 500 of the commits in the main development branch for 2.6.28 alter the code in the Video 4 Linux/DVB subsystem, offering several new drivers and numerous improvements (1, 2, 3, 4, 5) – for example a gspca driver for the ALi M5602 chip and a major update for the t613 gspca driver. During configuration, it is now possible to select which of the gspca subdrivers will be compiled later. The kernel hackers replaced the driver for the Terratec Cinergy T2 . Also new is the support for the cx24116, si21xx, and stv0288 DVB-S2 chips; the cx88 and dw2102 drivers were improved to include DVB-S2 support.

Numerous large patches to support Ultra Wide Band technology (UWB) and Wireless USB, which is based on this technology, were among the things incorporated into the kernel via the USB subsystem maintainers:

New are also the fsl_qe_udc driver for the Freescale QE/CPM USB device controller and a USB test and measurement class driver for devices that comply with the specification for "USB Test and Measurement devices".

Major changes to the HID (Human Input Devices) subsystem code were made to simplify the future maintenance of this subsystem. Linux 2.6.28 will offer a special driver for Elantech touchpads, which are incorporated in many Asus Eee PCs. Together with the current version of the Synaptics driver, this new driver will allow extended touchpad gestures (documentation). Another new feature of 2.6.28 is the adt7462 driver for the ADT7462 hardware monitoring chip by Analog Devices; the kernel's hwmon subsystem, however, still doesn't have an official maintainer.

Further commits related to the discussed topics:





Further background and information about developments in the Linux kernel and its environment can also be found in previous issues of the kernel log at heise open:

Older Kernel logs can be found in the archives or by using the search function at heise open.



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