Re: No sound from Mac Pro headphone port

Todd Dailey
2015-05-15T01:04:23Z

You will need to provide more specific instructions on what you want. I
do not read code.

--
TD
todd@todddailey.ca

On 09/05/15 09:07 AM, Raymond Yau wrote:
>
>
> 2015-05-08 22:48 GMT+08:00 Todd Dailey <todd@todddailey.ca
> <mailto:todd@todddailey.ca>>:
>
> Bingo: the pin-outs are very incorrect.
>
> This is the (original) tech specs of the machine.
>
> https://support.apple.com/kb/SP506?viewlocale=en_US&locale=en_US
>
> Note:
>
> 1 x internal speaker
> 1 x FRONT headphone port
>
>
> Refer to user manual ,
> Headphone Jack
> Connect headphones, including Apple Earphone with remote and mic through
> the headphone mini jack
>
> Is node 0x18 headset mic ?
> need specific sequence number and parser_flags
>
> https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=cb420b1186e0090f24137855e14e6f3bf7cb769d
>
> +#define HDA_PINCFG_HEADSET_MIC (1 << 2) /* Try to find headset mic;
> mark seq number as 0xc to trigger */
>
> 1 x REAR line out port
>
> 1 x REAR line in port
> 1 x REAR optical TOSLINK out port
> 1 x REAR optical TOSLINK in port
>
> The machine does not have a built-in mic port.
>
>
> you need to use hdajacksensetest to verify hp, line out , line in jacks
> are node 0x19, 0x14 and 0x1a by plug and unplug those jacks
>
> clear bit 8 of pin default of Line Out Jack if it return correct jack state
>
>
> > Should have noted, if not clear from the physical ports, no, the
> machine does not have outputs for 5.1 surround sound.
>
>
> http://www.intel.com/support/motherboards/desktop/sb/CS-034206.htm
>
>
> you can enable multi-streaming by indep_hp=1
>
>
>
> Linux 4. Mac Pro 2009. ACL889A codec.
>
> No sound from headphone port. Seems to detect plug / unplug OK.
>
> Works OK when machine booted to OS X or Windows 7.
>
> Have found several bug repors on similar issues with Mac
> laptops but
> no fixes.
>
> Have written e-mail with David Henningsson on problem but
> unable to
> find a solution.
>
> ALSA-info output:
>
> http://www.alsa-project.org/db/?f=1dc7146eb34af5ad307d029868f775fac5e2764e
>
>
> Do your macpro spec support 5.1 ?
>
> Simple mixer control 'Channel Mode',0
> Capabilities: enum
> Items: '2ch' '4ch' '6ch'
> Item0: '2ch'
>
> Pin default seem incorrect
>
> 1) Headphone at ext Rear
> 2) Line Out does not support jack detection
> 3) Mic jack ????
>
> /sys/class/sound/hwC0D0/init_pin_configs:
> 0x14 0x01010150
> 0x15 0x400000f0
> 0x16 0x400000f0
> 0x17 0x400000f0
> 0x18 0x01a19070
> 0x19 0x01214040
> 0x1a 0x01813010
> 0x1b 0x90100130
> 0x1c 0x400000f0
> 0x1d 0x400000f0
> 0x1e 0x0145e160
> 0x1f 0x01c5e120
>
> /sys/class/sound/hwC0D0/driver_pin_configs:
>
>
>
> [ 4.057250] sound hdaudioC0D0: ALC889A: SKU not ready 0x400000f0
> [ 4.057633] sound hdaudioC0D0: autoconfig for ALC889A:
> line_outs=1
> (0x14/0x0/0x0/0x0/0x0) type:line
> [ 4.057636] sound hdaudioC0D0: speaker_outs=1
> (0x1b/0x0/0x0/0x0/0x0)
> [ 4.057638] sound hdaudioC0D0: hp_outs=1
> (0x19/0x0/0x0/0x0/0x0)
> [ 4.057639] sound hdaudioC0D0: mono: mono_out=0x0
> [ 4.057641] sound hdaudioC0D0: dig-out=0x1e/0x0
> [ 4.057642] sound hdaudioC0D0: inputs:
> [ 4.057645] sound hdaudioC0D0: Mic=0x18
> [ 4.057646] sound hdaudioC0D0: Line=0x1a
> [ 4.057648] sound hdaudioC0D0: dig-in=0x1f
>
>