search for: edid_version

...ersion is your revert against?  It's not the latest code, because that uses drm_eld_size(). Testing on my TV at home (3.19.0-rc5), I see this in /proc/asound/card1/eld#0.0: monitor_present 1 eld_valid 1 monitor_name SAMSUNG connection_type HDMI eld_version [0x2] CEA-861D or below edid_version [0x3] CEA-861-B, C or D manufacture_id 0x2d4c product_id 0x69b port_id 0x0 support_hdcp 0 support_ai 1 audio_sync_delay 0 speakers [0xf] FL/FR LFE FC RL/RR sad_count 4 sad0_coding_type [0x1] LPCM sad0_channels 2 sad0_rates [0x6e0] 32000 44100 48000 88200 96000 sad0_bits [0xe0000] 16 2...

Hello all, I'm using gentoo, with kernel 3.17.0-p1-pf and at some point, a patch was included in this branch of the gentoo kernel that broke hdmi audio. I've checked with the latest 3.19 vanilla kernel, and I still have the same problem. I cannot output multichannel sound over hdmi. After some investigations, I've narrowed down the issue to the following lines in the file

...What kernel version is your revert against? It's not the latest code, because that uses drm_eld_size(). Testing on my TV at home (3.19.0-rc5), I see this in /proc/asound/card1/eld#0.0: monitor_present 1 eld_valid 1 monitor_name SAMSUNG connection_type HDMI eld_version [0x2] CEA-861D or below edid_version [0x3] CEA-861-B, C or D manufacture_id 0x2d4c product_id 0x69b port_id 0x0 support_hdcp 0 support_ai 1 audio_sync_delay 0 speakers [0xf] FL/FR LFE FC RL/RR sad_count 4 sad0_coding_type [0x1] LPCM sad0_channels 2 sad0_rates [0x6e0] 32000 44100 48000 88200 96000 sad0_bits [0xe0000] 16 20 24 sad1_codi...

...lid 0 Note: NOT a good sign. By contrast, on NVIDIA driver (Linux-x86-319.32): cat /proc/asound/card1/eld#3.0 monitor_present 1 eld_valid 1 monitor_name ASUS VE258 connection_type HDMI eld_version [0x2] CEA-861D or below edid_version [0x3] CEA-861-B, C or D manufacture_id 0x6904 product_id 0x25f1 port_id 0x20000 support_hdcp 0 support_ai 0 audio_sync_delay 0 speakers [0x1] FL/FR sad_count 1 sad0_coding_type [0x1]...