On Fri, 13 Feb 2009 10:44:02 +0100 ext Anuj Aggarwal <[email protected]> wrote:
> Hi All, > > Thanks for your help, it came out as a hardware issue. Same image > worked fine when tried on a different EVM. Now the audio is playing > fine, except that I am hearing a very light pop-noise as soon I start > the playback. > > Any suggestions on removing that? It didn't occur if I play something > second time. > Pop-noise is caused somewhere in the audio path when it's powered up. Either in last output stage is causing it or last stages are activated too early to suppress noise caused in middle of path. Why you don't hear it second time or soon enough is that ASoC DAPM keeps audio path powered about 5 seconds after stream is closed for eliminating pops between e.g. audio tracks in a player. Jarkko -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
