Wolfson Open Source

Blogs

Linux driver for WM8961 released

A driver for the WM8961, a low power, high quality stereo CODEC designed for portable digital applications with headphone and stereo class D speaker drivers, has just been released. Like all Wolfson audio drivers for Linux this can be obtained from our ASoC page. For more details on the WM8961 please see the main WM8961 product page.

Wolfson updates in 2.6.30

Version 2.6.30 of the Linux kernel was released today. As well as ongoing contributions to the ASoC and regulator frameworks (including the addition of standard ASoC jack detection support) this release also includes the audio driver for the WM8400 and bug fixes and performance improvements to previously merged drivers.

Linux driver for WM9081 released

A driver for the WM9081, a mono DAC with integrated 2.6W class AB/D amplifier, has just been released. Like all Wolfson audio drivers for Linux this can be obtained from our ASoC page. For more details on the WM9081 please see the main WM9081 product page.

WM8988 driver released

A driver for the WM8988, a low power, high quality stereo CODEC designed for portable digital audio applications, has just been released. Like all Wolfson CODEC drivers for Linux this can be obtained from our ASoC page. For more details on the WM8988 please see the main WM8988 product page.

Wolfson updates in 2.6.29

Linux 2.6.29 was released this week. Highlights of this release for Wolfson device support include:

  • Integration of the WM8728 driver.
  • Integration of support for the WM8351 and the WM8352, together with WM835x audio and LED driver support.
  • Support for the SSP port on the Marvell PXA processors.

With many smaller bug fixes and enhancements to both Wolfson drivers and the ASoC framework.

Wolfson updates in 2.6.28

Version 2.6.28 of the Linux kernel was released on Christmas day. This version contains a number of updates to Wolfson drivers, including:

WM8728 driver released

A Linux driver for the WM8728, a high performance stereo DAC designed for audio applications such as DVD, home theatre systems and digital TV, has been released. The driver can be obtained from our ASoC repository

Wolfson device support in Linux 2.6.27

Version 2.6.27 of the Linux kernel was released yesterday. This release introduces drivers for the WM8510 and WM8990 as well as enhancements to existing drivers, particularly the WM9713.

WM8903 driver release

An initial Linux driver for the WM8903 audio CODEC has been released. The driver can be obtained via our ASoC repository.

ASoC changes in Linux 2.6.26

Linux 2.6.26 integrates a large number of changes to the ASoC subsystem, including:

  • Support for TI OMAP processors from 1510 to 2040.
  • Support for TI DaVinci processors.
  • Support for the AC97 controller on PXA 3xx processors.

along with numerous updates to codec drivers, improvements to diagnostic output and updates to reflect current kernel coding standards.

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