From fe0abd18e1ef3cb258b0a5e41ba26ed0c4b88dab Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 9 Nov 2016 16:56:01 +0100 Subject: [PATCH] ALSA: doc: ReSTize HD-Audio-Controls document A conversion from a simple text file. Put to hd-audio subdirectory with a rename. Signed-off-by: Takashi Iwai --- .../controls.rst} | 33 +++++++++++-------- Documentation/sound/hd-audio/index.rst | 1 + 2 files changed, 20 insertions(+), 14 deletions(-) rename Documentation/sound/{alsa/HD-Audio-Controls.txt => hd-audio/controls.rst} (92%) diff --git a/Documentation/sound/alsa/HD-Audio-Controls.txt b/Documentation/sound/hd-audio/controls.rst similarity index 92% rename from Documentation/sound/alsa/HD-Audio-Controls.txt rename to Documentation/sound/hd-audio/controls.rst index e9621e349e17..f2ebc4f79b44 100644 --- a/Documentation/sound/alsa/HD-Audio-Controls.txt +++ b/Documentation/sound/hd-audio/controls.rst @@ -1,16 +1,21 @@ +====================================== +HD-Audio Codec-Specific Mixer Controls +====================================== + + This file explains the codec-specific mixer controls. Realtek codecs -------------- -* Channel Mode +Channel Mode This is an enum control to change the surround-channel setup, appears only when the surround channels are available. It gives the number of channels to be used, "2ch", "4ch", "6ch", and "8ch". According to the configuration, this also controls the jack-retasking of multi-I/O jacks. -* Auto-Mute Mode +Auto-Mute Mode This is an enum control to change the auto-mute behavior of the headphone and line-out jacks. If built-in speakers and headphone and/or line-out jacks are available on a machine, this controls @@ -30,24 +35,24 @@ Realtek codecs IDT/Sigmatel codecs ------------------- -* Analog Loopback +Analog Loopback This control enables/disables the analog-loopback circuit. This appears only when "loopback" is set to true in a codec hint (see HD-Audio.txt). Note that on some codecs the analog-loopback and the normal PCM playback are exclusive, i.e. when this is on, you won't hear any PCM stream. -* Swap Center/LFE +Swap Center/LFE Swaps the center and LFE channel order. Normally, the left corresponds to the center and the right to the LFE. When this is ON, the left to the LFE and the right to the center. -* Headphone as Line Out +Headphone as Line Out When this control is ON, treat the headphone jacks as line-out jacks. That is, the headphone won't auto-mute the other line-outs, and no HP-amp is set to the pins. -* Mic Jack Mode, Line Jack Mode, etc +Mic Jack Mode, Line Jack Mode, etc These enum controls the direction and the bias of the input jack pins. Depending on the jack type, it can set as "Mic In" and "Line In", for determining the input bias, or it can be set to "Line Out" @@ -57,19 +62,19 @@ IDT/Sigmatel codecs VIA codecs ---------- -* Smart 5.1 +Smart 5.1 An enum control to re-task the multi-I/O jacks for surround outputs. When it's ON, the corresponding input jacks (usually a line-in and a mic-in) are switched as the surround and the CLFE output jacks. -* Independent HP +Independent HP When this enum control is enabled, the headphone output is routed from an individual stream (the third PCM such as hw:0,2) instead of the primary stream. In the case the headphone DAC is shared with a side or a CLFE-channel DAC, the DAC is switched to the headphone automatically. -* Loopback Mixing +Loopback Mixing An enum control to determine whether the analog-loopback route is enabled or not. When it's enabled, the analog-loopback is mixed to the front-channel. Also, the same route is used for the headphone @@ -78,7 +83,7 @@ VIA codecs headphones and speakers because there is only one DAC connected to a mixer widget. -* Dynamic Power-Control +Dynamic Power-Control This control determines whether the dynamic power-control per jack detection is enabled or not. When enabled, the widgets power state (D0/D3) are changed dynamically depending on the jack plugging @@ -86,7 +91,7 @@ VIA codecs doesn't provide a proper jack-detection, this won't work; in such a case, turn this control OFF. -* Jack Detect +Jack Detect This control is provided only for VT1708 codec which gives no proper unsolicited event per jack plug. When this is on, the driver polls the jack detection so that the headphone auto-mute can work, while @@ -96,21 +101,21 @@ VIA codecs Conexant codecs --------------- -* Auto-Mute Mode +Auto-Mute Mode See Reatek codecs. Analog codecs -------------- -* Channel Mode +Channel Mode This is an enum control to change the surround-channel setup, appears only when the surround channels are available. It gives the number of channels to be used, "2ch", "4ch" and "6ch". According to the configuration, this also controls the jack-retasking of multi-I/O jacks. -* Independent HP +Independent HP When this enum control is enabled, the headphone output is routed from an individual stream (the third PCM such as hw:0,2) instead of the primary stream. diff --git a/Documentation/sound/hd-audio/index.rst b/Documentation/sound/hd-audio/index.rst index 1e8376b0066c..c6efd55a219f 100644 --- a/Documentation/sound/hd-audio/index.rst +++ b/Documentation/sound/hd-audio/index.rst @@ -6,3 +6,4 @@ HD-Audio notes models + controls