[alsa-devel] [REGRESSION][IDT 92HD88B1] Reversed mute key LED status after update to 3.2

[Takashi Iwai]

At Mon, 23 Jan 2012 17:59:11 -0200,
Gustavo Maciel Dias Vieira wrote:
> 
> Em Qui, 2012-01-12 às 20:04 +0100, Predrag Ivanovic escreveu:
> > On Thu, 12 Jan 2012 08:55:23 -0200
> > Gustavo Maciel Dias Vieira wrote:
> > 
> > <snip>
> > >> If you need more information, I'll be happy to provide it.
> > >> Would output of dmidecode be useful in any way?
> > >> Please cc me, I am not subscribed to the list.
> > >
> > >The output of dmidecode would definitely help.
> > 
> > Outputs of dmidecode and dmidecode -u are below.
> > ===
> 
> >Handle 0x0000, DMI type 0, 24 bytes
> >BIOS Information
> >        Vendor: Hewlett-Packard
> >        Version: F.15
> 
> > Handle 0x0001, DMI type 1, 27 bytes
> > System Information
> >         Manufacturer: Hewlett-Packard
> >         Product Name: HP Mini 110-3100                
> >         Version: 058F110000202B00000300100
> >         Serial Number: CNC04646VT
> >         UUID: 300059FF-631D-BE0A-B42F-68B599DA73E9
> >         Wake-up Type: Power Switch
> >         SKU Number: LD741EA#ABZ 
> >         Family: 103C_5335KV
> 
> > Handle 0x0007, DMI type 11, 5 bytes
> > OEM Strings
> >         String 1: $HP$
> >         String 2: LOC#   
> >         String 3: ABS 70/71 78 79 7A 7B
> >         String 4: CNB1 058F110000202B00000300100
> >         String 5: HP_Mute_LED_P_G
> 
> Takashi,
> 
> We've got another mute led BIOS bug. But this one with the polarity
> reversed from my previous patch. I guess I can check subsystem_id and
> create a polarity list for buggy BIOSes. Or we can just revert the
> workaround.

Yeah, we underestimated how well the BIOS engineers are.
I guess the usual SSID quirk is the best way to go now.
Maybe the quirk list should be applied after HP_Mute_LED_P_G check,
so the current patch can be still kept.


thanks,

Takashi