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From: Wu Fengguang <fengguang.wu@intel.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org,
	"intel-gfx@lists.freedesktop..."
	<intel-gfx@lists.freedesktop.org>, "Lv, Jane" <jane.lv@intel.com>,
	"Barnes, Jesse" <jesse.barnes@intel.com>,
	Christopher White <c.white@pulseforce.com>
Subject: Re: the monitors with working Displayport audio
Date: Wed, 9 Nov 2011 15:28:28 +0800	[thread overview]
Message-ID: <20111109072828.GA24565@localhost> (raw)
In-Reply-To: <20111109072053.GA21956@localhost>

[-- 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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  reply	other threads:[~2011-11-09  7:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-09  7:20 the monitors with working Displayport audio Wu Fengguang
2011-11-09  7:28 ` Wu Fengguang [this message]
2011-11-09  7:28 ` Takashi Iwai

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