29 Nov
2013
29 Nov
'13
7:59 a.m.
At Fri, 29 Nov 2013 10:48:20 +0800, Kailang wrote:
Hi Takashi,
Intel test alc262. They find the suspend and resume time were > 50ms. So, I delete the delay for alc_eapd_shutup and alc_resume. If we want to have depop functions, we will follow like alc283.
Which delay value to take is pretty specific to machine. Removing delay will likely cause problem on other machines.
So, if we'd remove delays, do it only for tested machines, not do blindly to all machines using the same codec chips. The pop noise isn't only determined by a codec chip but rather influenced by the whole hardware analog design.
thanks,
Takashi