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Date: Thu, 26 Oct 2006 13:14:53 -0400 (EDT) From: Nicolas Pitre <nico@....org> To: saravanan_sprt@...mail.com Cc: linux-kernel@...r.kernel.org Subject: Re: UCB1400 driver problem in pxa270 On Fri, 27 Oct 2006, saravanan_sprt@...mail.com wrote: > Hi all, > > I am a newbie in using UCB1400 chip. Iam using Toradex Colibri module PXA270 as my target system with UCB1400 chip integrated. > I have a problem in enabling the audio system using UCB1400. Can anyone point me, how could I enable and use the UCB1400 driver on linux 2.6.12 platform. I have applied Nicolas Pitre patches and configured kernel CONFIG_INPUT, CONFIG_SND, CONFIG_SOUND,CONFIG_SND_PXA2xx_AC97, CONFIG_SND_PXA2xx_PCM to =y. The kernel builds well, but on boot the UCB1400 driver didn't gets registered and there are no more interrupts enabled in /proc/interrupts with following boot message, > ..... > ..... > ts: UCB1x00 touchscreen protocol output > Advanced Linux Sound Architecture Driver Version 1.0.9rc2 ( The MAr 24 10:34:34 2005 UTC) > ALSA device list: > No soundcards found. > .... > .... > > The problem seems to be due to driver_register(pxa2xx-ac97) and bus match. > > Any help will be appreciated . Look in arch/arm/mach-pxa/mainstone.c for mst_audio_device. This is an example of the platform_device structure the pxa2xx-ac97 driver is looking for. Nicolas - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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