Hi Benny, now committed to cvs. thanks!
Takashi At Sat, 17 Aug 2002 17:02:36 +0200, Benny Sjostrand wrote: > > Hi everyone! > > This patch inlcudes the following changes on the cs46xx driver: > - SPDIF input, prevent the DSP to hang when umuting/muting the the SPDIF > input controll in mixer while playbakcing PCM. > - Fix missplaced #ifndef, "#ifdef CONFIG_SND_CS46XX_NEW_DSP" instead > of "#ifndef CONFIG_SND_CS46XX_NEW_DSP" > - Only Hercules Game Theater XP: turn on amplifier when driver is > loaded and keep it on, to > prevent *snap* sound when changing amplifier on -> off vs. off -> on. > - Refine on the PCM multichannel functionality, the *snap*'s sound when > stopping and starting > playback should be gone, by clearing DSP sample rate buffers, and > muting the PCM readers. > - More cleanups, remove unused code (#if 0 ... #endif) > > The SPDIF input functionality consider it as _expermintal_, is still not > good enough, sound > sometimes distorcionated, and sometimes left and right channels are swapped. > > I dont believe it's necesary to turn off the soundcard amplifier however > the soundcard may > not be used all the time. When turing on the amplifier it usually > produces some undesired *snap* sound > in speakers, if the amplifier is turned off each time PCM playback is > stopped or started you will have > that *snap* sound each time you start playbacb of any kind of sound. > I understand that on embedded devices and notebooks it can make sense > turning of the soundcard > amplifier to save power, but on a desktop computers power is usually not > a problem, and the eg. > the Game Theater XP card will never be used on anything else then a > desktop computer, and > then the amplifier can leaved on all the time without any problem. > > Finally, I hope then you can hear when you playback sound that some > undesirable noise *snaps* are gone now. > > /Benny > ------------------------------------------------------- This sf.net email is sponsored by: OSDN - Tired of that same old cell phone? Get a new here for FREE! https://www.inphonic.com/r.asp?r=sourceforge1&refcode1=vs3390 _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
