* the monitors with working Displayport audio
@ 2011-11-09 7:20 Wu Fengguang
2011-11-09 7:28 ` Wu Fengguang
2011-11-09 7:28 ` Takashi Iwai
0 siblings, 2 replies; 3+ messages in thread
From: Wu Fengguang @ 2011-11-09 7:20 UTC (permalink / raw)
To: Takashi Iwai
Cc: Lv, Jane, alsa-devel, Barnes, Jesse,
intel-gfx@lists.freedesktop...
Hi Takashi,
I enumerated all the DELL DisplayPort monitors in our lab and find
only two of them being able to produce audible DisplayPort audio...
- DELL 2408WFP
- DELL 2709W
- DELL 3008WFP
no CEA extension found
- DELL U2410
ELD reports OK but cannot hear DP sound
monitor_present 1
eld_valid 1
monitor_name DELL U2410
connection_type DisplayPort
eld_version [0x2] CEA-861D or below
edid_version [0x3] CEA-861-B, C or D
manufacture_id 0xac10
product_id 0xf017
port_id 0x0
support_hdcp 0
support_ai 0
audio_sync_delay 0
speakers [0x1] FL/FR
sad_count 1
sad0_coding_type [0x1] LPCM
sad0_channels 2
sad0_rates [0xe0] 32000 44100 48000
sad0_bits [0xe0000] 16 20 24
- DELL U3011
ELD and DP sound both OK
monitor_present 1
eld_valid 1
monitor_name DELL U3011
connection_type DisplayPort
eld_version [0x2] CEA-861D or below
edid_version [0x3] CEA-861-B, C or D
manufacture_id 0xac10
product_id 0x4065
port_id 0x0
support_hdcp 0
support_ai 0
audio_sync_delay 0
speakers [0xf] FL/FR LFE FC RL/RR
sad_count 1
sad0_coding_type [0x1] LPCM
sad0_channels 6
sad0_rates [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
sad0_bits [0xe0000] 16 20 24
- Eizo FlexScan EV2333W
ELD and DP sound both OK
monitor_present 1
eld_valid 1
monitor_name EV2333W
connection_type DisplayPort
eld_version [0x2] CEA-861D or below
edid_version [0x3] CEA-861-B, C or D
manufacture_id 0xc315
product_id 0x2068
port_id 0x0
support_hdcp 0
support_ai 1
audio_sync_delay 0
speakers [0x1] FL/FR
sad_count 1
sad0_coding_type [0x1] LPCM
sad0_channels 2
sad0_rates [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
sad0_bits [0xe0000] 16 20 24
Thanks,
Fengguang
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: the monitors with working Displayport audio
2011-11-09 7:20 the monitors with working Displayport audio Wu Fengguang
@ 2011-11-09 7:28 ` Wu Fengguang
2011-11-09 7:28 ` Takashi Iwai
1 sibling, 0 replies; 3+ messages in thread
From: Wu Fengguang @ 2011-11-09 7:28 UTC (permalink / raw)
To: Takashi Iwai
Cc: alsa-devel, intel-gfx@lists.freedesktop..., Lv, Jane,
Barnes, Jesse, Christopher White
[-- Attachment #1: Type: text/plain, Size: 3061 bytes --]
Here are the EDID for the DELL monitors, grabbed by command
cp /sys/class/drm/card0-DP-3/edid .
Thanks,
Fengguang
On Wed, Nov 09, 2011 at 03:20:53PM +0800, Wu Fengguang wrote:
> Hi Takashi,
>
> I enumerated all the DELL DisplayPort monitors in our lab and find
> only two of them being able to produce audible DisplayPort audio...
>
> - DELL 2408WFP
> - DELL 2709W
> - DELL 3008WFP
> no CEA extension found
>
> - DELL U2410
> ELD reports OK but cannot hear DP sound
>
> monitor_present 1
> eld_valid 1
> monitor_name DELL U2410
> connection_type DisplayPort
> eld_version [0x2] CEA-861D or below
> edid_version [0x3] CEA-861-B, C or D
> manufacture_id 0xac10
> product_id 0xf017
> port_id 0x0
> support_hdcp 0
> support_ai 0
> audio_sync_delay 0
> speakers [0x1] FL/FR
> sad_count 1
> sad0_coding_type [0x1] LPCM
> sad0_channels 2
> sad0_rates [0xe0] 32000 44100 48000
> sad0_bits [0xe0000] 16 20 24
>
> - DELL U3011
> ELD and DP sound both OK
>
> monitor_present 1
> eld_valid 1
> monitor_name DELL U3011
> connection_type DisplayPort
> eld_version [0x2] CEA-861D or below
> edid_version [0x3] CEA-861-B, C or D
> manufacture_id 0xac10
> product_id 0x4065
> port_id 0x0
> support_hdcp 0
> support_ai 0
> audio_sync_delay 0
> speakers [0xf] FL/FR LFE FC RL/RR
> sad_count 1
> sad0_coding_type [0x1] LPCM
> sad0_channels 6
> sad0_rates [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
> sad0_bits [0xe0000] 16 20 24
>
> - Eizo FlexScan EV2333W
> ELD and DP sound both OK
>
> monitor_present 1
> eld_valid 1
> monitor_name EV2333W
> connection_type DisplayPort
> eld_version [0x2] CEA-861D or below
> edid_version [0x3] CEA-861-B, C or D
> manufacture_id 0xc315
> product_id 0x2068
> port_id 0x0
> support_hdcp 0
> support_ai 1
> audio_sync_delay 0
> speakers [0x1] FL/FR
> sad_count 1
> sad0_coding_type [0x1] LPCM
> sad0_channels 2
> sad0_rates [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
> sad0_bits [0xe0000] 16 20 24
>
> Thanks,
> Fengguang
[-- Attachment #2: edid-dell-3008wfp --]
[-- Type: application/octet-stream, Size: 128 bytes --]
[-- Attachment #3: edid-dell-u2410 --]
[-- Type: application/octet-stream, Size: 256 bytes --]
[-- Attachment #4: edid-dell-u3011 --]
[-- Type: application/octet-stream, Size: 256 bytes --]
[-- Attachment #5: edid-dell-2709w --]
[-- Type: application/octet-stream, Size: 128 bytes --]
[-- Attachment #6: edid-dell-2408wfp --]
[-- Type: application/octet-stream, Size: 128 bytes --]
[-- Attachment #7: Type: text/plain, Size: 159 bytes --]
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: the monitors with working Displayport audio
2011-11-09 7:20 the monitors with working Displayport audio Wu Fengguang
2011-11-09 7:28 ` Wu Fengguang
@ 2011-11-09 7:28 ` Takashi Iwai
1 sibling, 0 replies; 3+ messages in thread
From: Takashi Iwai @ 2011-11-09 7:28 UTC (permalink / raw)
To: Wu Fengguang
Cc: Lv, Jane, alsa-devel, Barnes, Jesse,
intel-gfx@lists.freedesktop..., Zhao, Yingying
At Wed, 9 Nov 2011 15:20:53 +0800,
Wu Fengguang wrote:
>
> Hi Takashi,
>
> I enumerated all the DELL DisplayPort monitors in our lab and find
> only two of them being able to produce audible DisplayPort audio...
Thanks for testing!
> - DELL 2408WFP
> - DELL 2709W
> - DELL 3008WFP
> no CEA extension found
Our monitor here is one of them (or relevant).
I tried force_audio option, and it didn't work either.
> - DELL U2410
> ELD reports OK but cannot hear DP sound
>
> monitor_present 1
> eld_valid 1
> monitor_name DELL U2410
> connection_type DisplayPort
> eld_version [0x2] CEA-861D or below
> edid_version [0x3] CEA-861-B, C or D
> manufacture_id 0xac10
> product_id 0xf017
> port_id 0x0
> support_hdcp 0
> support_ai 0
> audio_sync_delay 0
> speakers [0x1] FL/FR
> sad_count 1
> sad0_coding_type [0x1] LPCM
> sad0_channels 2
> sad0_rates [0xe0] 32000 44100 48000
> sad0_bits [0xe0000] 16 20 24
>
> - DELL U3011
> ELD and DP sound both OK
>
> monitor_present 1
> eld_valid 1
> monitor_name DELL U3011
> connection_type DisplayPort
> eld_version [0x2] CEA-861D or below
> edid_version [0x3] CEA-861-B, C or D
> manufacture_id 0xac10
> product_id 0x4065
> port_id 0x0
> support_hdcp 0
> support_ai 0
> audio_sync_delay 0
> speakers [0xf] FL/FR LFE FC RL/RR
> sad_count 1
> sad0_coding_type [0x1] LPCM
> sad0_channels 6
> sad0_rates [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
> sad0_bits [0xe0000] 16 20 24
>
> - Eizo FlexScan EV2333W
> ELD and DP sound both OK
>
> monitor_present 1
> eld_valid 1
> monitor_name EV2333W
> connection_type DisplayPort
> eld_version [0x2] CEA-861D or below
> edid_version [0x3] CEA-861-B, C or D
> manufacture_id 0xc315
> product_id 0x2068
> port_id 0x0
> support_hdcp 0
> support_ai 1
> audio_sync_delay 0
> speakers [0x1] FL/FR
> sad_count 1
> sad0_coding_type [0x1] LPCM
> sad0_channels 2
> sad0_rates [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
> sad0_bits [0xe0000] 16 20 24
Do you have idea why they don't work?
BTW, can DP-audio work with these monitors on other OS...?
thanks,
Takashi
^ permalink raw reply [flat|nested] 3+ messages in thread
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2011-11-09 7:28 ` Wu Fengguang
2011-11-09 7:28 ` Takashi Iwai
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