提交 8e648204 编写于 作者: D David Henningsson 提交者: Takashi Iwai

ALSA: Update control names documentation

This document was not really up-to-date. Add recent additions to this
standard - based on what the HDA driver currently does, which is some
kind of a de facto standard.
Signed-off-by: NDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
上级 b566762a
This document describes standard names of mixer controls.
Syntax: SOURCE [DIRECTION] FUNCTION
Syntax: [LOCATION] SOURCE [CHANNEL] [DIRECTION] FUNCTION
DIRECTION:
<nothing> (both directions)
......@@ -14,12 +14,29 @@ FUNCTION:
Volume
Route (route control, hardware specific)
CHANNEL:
<nothing> (channel independent, or applies to all channels)
Front
Surround (rear left/right in 4.0/5.1 surround)
CLFE
Center
LFE
Side (side left/right for 7.1 surround)
LOCATION: (physical location of source)
Front
Rear
Dock (docking station)
Internal
SOURCE:
Master
Master Mono
Hardware Master
Speaker (internal speaker)
Bass Speaker (internal LFE speaker)
Headphone
Line Out
Beep (beep generator)
Phone
Phone Input
......@@ -27,14 +44,14 @@ SOURCE:
Synth
FM
Mic
Line
Headset Mic (mic part of combined headset jack - 4-pin headphone + mic)
Headphone Mic (mic part of either/or - 3-pin headphone or mic)
Line (input only, use "Line Out" for output)
CD
Video
Zoom Video
Aux
PCM
PCM Front
PCM Rear
PCM Pan
Loopback
Analog Loopback (D/A -> A/D loopback)
......@@ -47,8 +64,13 @@ SOURCE:
Music
I2S
IEC958
HDMI
SPDIF (output only)
SPDIF In
Digital In
HDMI/DP (either HDMI or DisplayPort)
Exceptions:
Exceptions (deprecated):
[Digital] Capture Source
[Digital] Capture Switch (aka input gain switch)
[Digital] Capture Volume (aka input gain volume)
......
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