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| author | Kai Vehmanen | 2020-12-08 20:57:36 +0200 |
|---|---|---|
| committer | Takashi Iwai | 2020-12-08 20:04:33 +0100 |
| commit | 19bb4f78c91fa46bdf978e18766118498c3d2e63 (patch) | |
| tree | c691c44a1cbd5ad87157229c855458bf1c9dbfac /sound/pci/aw2 | |
| parent | 88a06d6fd6b369d88cec46c62db3e2604a2f50d5 (diff) | |
ALSA: hda/proc - print DP-MST connections
To help in debugging issues with DisplayPort Multi-Stream Transport (aka
DP-MST) support, print information of active connections for each device
of a display audio pin widget.
Example output with the patch with two monitors connected to a DP-MST hub:
Devices: 4
Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x03* 0x05 0x07 0x09 ]
Dev 01: PD = 1, ELDV = 1, IA = 0, Connections [ 0x03* 0x05 0x07 0x09 ]
*Dev 02: PD = 1, ELDV = 1, IA = 0, Connections [ 0x03 0x05* 0x07 0x09 ]
Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x03* 0x05 0x07 0x09 ]
Connection: 4
0x03 0x05* 0x07 0x09
Format of existing "Connection:" entry is left intact to keep
compatibility.
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20201208185736.2877541-1-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/aw2')
0 files changed, 0 insertions, 0 deletions