your cs46xx have dual ac97 codecs CS4297A and CS4294 There are two "Master Playback Volume" controls, I guess PA mis calculate the dB range -129.00 dB to 12.00 dB.
I: sink.c: device.description = "CS 4614/22/24/30 [CrystalClear SoundFusion Audio Accelerator] Analog Stereo" I: sink.c: alsa.mixer_name = "Cirrus Logic CS4297A rev 4,Cirrus Logic CS4294 rev 5" I: sink.c: alsa.components = "AC97a:43525914 AC97a:4352592d" D: alsa-mixer.c: Activating path analog-output D: alsa-mixer.c: Path analog-output (Analog Output), direction=1, priority=99, probed=yes, supported=yes, has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=63, min_dB=-129, max_dB=12 D: alsa-mixer.c: Element Master, direction=1, switch=1, volume=1, enumeration=0, required=0, required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=yes D: alsa-mixer.c: Element Master Mono, direction=1, switch=2, volume=2, enumeration=0, required=0, required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=no D: alsa-mixer.c: Element Headphone, direction=1, switch=1, volume=3, enumeration=0, required=0, required_absent=0, mask=0x6, n_channels=2, override_map=no D: alsa-mixer.c: Element PCM, direction=1, switch=1, volume=1, enumeration=0, required=0, required_absent=0, mask=0x402b600000000f66, n_channels=2, override_map=yes D: alsa-mixer.c: Element External Amplifier, direction=1, switch=4, volume=0, enumeration=0, required=0, required_absent=0, mask=0x0, n_channels=0, override_map=no D: alsa-mixer.c: Option on (output-amplifier-on/Amplifier) index=1, priority=10 D: alsa-mixer.c: Option off (output-amplifier-off/No Amplifier) index=0, priority=0 D: alsa-mixer.c: Setting output-amplifier-on (Amplifier) priority=10 D: alsa-mixer.c: Setting output-amplifier-off (No Amplifier) priority=0 I: alsa-sink.c: Hardware volume ranges from -129.00 dB to 12.00 dB. Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 63 Mono: Front Left: Playback 6 [10%] [-85.50dB] [on] Front Right: Playback 6 [10%] [-85.50dB] [on] Simple mixer control 'Master',1 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 63 Mono: Front Left: Playback 0 [0%] [-94.50dB] [off] Front Right: Playback 0 [0%] [-94.50dB] [off] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/428619 Title: [cs46xx] Need tweaks to daemon.conf to eliminate crackle/distortion -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs