On Wed, 22 Oct 2008 18:54:12 +0530 "ext naveen krishna ch" naveenkrishna.ch@gmail.com wrote:
I forget to add one more observation that is i have a older omap2 and twl4030 asoc codec driver and driver/ssi mcbsp support in a 2.6.24 kernel.
when i try to use this in my coustum board the audio is working fine all the ways.
I am wokring on 2.6.26 whre the support was not there for omap3 mcbsp. so i ported some stuff from the 2.6.27 latest git tree and now audio is working on omap3 evm. with the very same kernel when i try with my custom board. I am unable to hear audoi.
So to summarize:
- 2.6.26 + backported drivers on OMAP3 EVM -> audio works - 2.6.26 + backported drivers on custom board with NAND boot -> no audio - 2.6.26 + backported drivers on custom board with MMC boot -> audio works - 2.6.24 (TI SDP release?) on custom board -> audio works
And I understood also that bootloader images were the same in all of these cases. Did I get these correctly?
Is the rootfile system the same between these cases? I.e. that same mixer settings like audio volumes etc. are used?
Can anyone refer me towards the ones who worked on this kind of audio codec driver.
Worth to ask also on linux-omap mailing list (linux-omap@vger.kernel.org) since TI engineers are reading it.
Jarkko