There is no mixer on this chipset, so all mixing and volume controls have to be done in software.Sound is dead when returning from a power suspend.G4 PowerBook alu post-february-2005 (PowerBook 5,6) Using dmasound-pmac + esd instead of alsa.Sound has some syncronisation issues (approx.The 3 outputs (line/headphones/speakers) work correctly, along with auto-detection of an insterted plug on the first two outputs.I'm keeping an eye on this, but have not found a pattern yet. Never during one recording, but sometimes between takes (i.e. Martin Habets says: The only glitch with line input is that channels switch sometimes with mono input.The snd_powermac module was not automatically loaded I had to modprobe it. If there's a line input I don't know where it is. I did not test CD playback or the microphone port. ?BrandenRobinson reports: Speaker jack in rear and headphone jack in front both work, but plugging in headphones does not mute speaker output regardless of whether AutoMute (KMix->Settings) is set or not. (Mic slider on playback page controls play-through.) Capture page in alsamixer is empty, sound input from built-in microphone does not work.Controls for the stereo speakers and for the headphones are reversed (wrong offset in the control matrix?).Headphone detection induced auto-muting of the speakers doesn't work.Most of the mutes don't work, or their state cannot be saved. PowerPC was the cornerstone of AIMs PReP and Common Hardware Reference Platform initiatives in the 1990s.(1st generation iMac SL PowerMac2,1 requires next release.) Line input is affected by Mic Boost (which exists on both Playback and Capture tabs).Įverything should work.Headphones controls not available, headphone detection does not work correctly.Master volume and switch affect only line output.CD playback requires selecting the Mic source as recordable, CD source selector does nothing.Output jack doubles as speaker/headphones.CD playback requires selecting the CD source as recordable.Screamer (beige G3, iMac G3 slot-loading) Everything seems to work on a 7300/200.As such, getting beeps exclusively to the audio output requires disconnecting the cable going to the internal speaker. Beeping goes to both the internal speaker and the audio output, because the circuitry to mute the internal speaker is not detected by the driver.
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