you may try limiting the Max volume of mixer 0x0c, 0x0d, 0x0e, 0x0f and 0x26 to 0dB instead of 2dB by overwrite nsteps from 0x40 to 0x3e
Amp-Out caps: ofs=0x3e, nsteps=0x40, stepsize=0x03, mute=0 Amp-Out vals: [0x3a 0x3a]
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda?qt=grep&q=fix+max+pcm
you may try limiting the Max volume of mixer 0x0c, 0x0d, 0x0e, 0x0f and 0x26 to 0dB instead of 2dB by overwrite nsteps from 0x40 to 0x3e
Amp-Out caps: ofs=0x3e, nsteps=0x40, stepsize=0x03, mute=0
Amp-Out vals: [0x3a 0x3a]
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ log/sound/ pci/hda? qt=grep& q=fix+max+ pcm