[alsa-devel] LSI HDA Modem is not working on HP new Laptop which has IDT 7605 HDA codec and REDHAT installed on it with ALSA ver 1.0.24.
superquad.vortex2 at gmail.com
Mon Oct 3 03:35:59 CEST 2011
2011/10/1 Takashi Iwai <tiwai at suse.de>:
>> >> 2. Why Analog devices codec (patch_analog.c) clear
>> >> AC_VERB_SET_CHANNEL_STREAMID on close? (if (do_now)
>> >> really_cleanup_stream(codec, p);
>> > It's because AD codecs (according to bug reports) don't like the
>> > sticky-tag feature by some reason. It'll be removed, once when the
>> > real culprit is found.
>> Can the converters can retrain the stream tag after suspend/resume ?
> No. The flag is cleared in the suspend.
The main difference is only AD codecs have Power widget but driver
does not has init verbs for this [Power widget]
e.g. ad1988 has 9 widets support power states ,
Table 13 Widet Parameters (Power states 0f)
Five [Audio Output] , three [Audio Input] and [Power widget] have 00000009
No. Name Description
19 Mixer Power Down Power widget Powers down the analog mixer and
23 VREF Power Down Vendor defined Powers down the internal and
external VREF circularity
2f BIAS Power Down Vendor defined Powers down the internal
MIC_BIAS_FILT and all MIC_BIAS pins
Node 0x19 [Power Widget] wcaps 0x500500: Mono
Power states: D0 D3
Power: setting=D0, actual=D0
There are two vendor defined widgets (VREF power down and BIAS power pown)
Node 0x23 [Vendor Defined Widget] wcaps 0xf00100: Mono
0x11* 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x24 0x25 0x38 0x39 0x3a
Node 0x2f [Vendor Defined Widget] wcaps 0xf00100: Mono
0x11* 0x12 0x14 0x15 0x16 0x17
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