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author | Mark Brown <broonie@linaro.org> | 2014-02-23 14:26:10 +0900 |
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committer | Mark Brown <broonie@linaro.org> | 2014-02-23 14:26:21 +0900 |
commit | ff2878644eed7765a917a02d0af864697ceaf73e (patch) | |
tree | d423631b020aaa4a08afea7d6da60c5db348abf5 /Documentation | |
parent | 66841345073b049c0c194486bac4d7f07266a57e (diff) | |
parent | 89c6785715592a6b082b3f9f28c27bb14b041c7d (diff) | |
download | linux-ff2878644eed7765a917a02d0af864697ceaf73e.tar.bz2 |
Merge branch 'topic/of' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-simple
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/sound/tdm-slot.txt | 20 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/sound/widgets.txt | 20 |
2 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tdm-slot.txt b/Documentation/devicetree/bindings/sound/tdm-slot.txt new file mode 100644 index 000000000000..6a2c84247f91 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tdm-slot.txt @@ -0,0 +1,20 @@ +TDM slot: + +This specifies audio DAI's TDM slot. + +TDM slot properties: +dai-tdm-slot-num : Number of slots in use. +dai-tdm-slot-width : Width in bits for each slot. + +For instance: + dai-tdm-slot-num = <2>; + dai-tdm-slot-width = <8>; + +And for each spcified driver, there could be one .of_xlate_tdm_slot_mask() +to specify a explicit mapping of the channels and the slots. If it's absent +the default snd_soc_of_xlate_tdm_slot_mask() will be used to generating the +tx and rx masks. + +For snd_soc_of_xlate_tdm_slot_mask(), the tx and rx masks will use a 1 bit +for an active slot as default, and the default active bits are at the LSB of +the masks. diff --git a/Documentation/devicetree/bindings/sound/widgets.txt b/Documentation/devicetree/bindings/sound/widgets.txt new file mode 100644 index 000000000000..b6de5ba3b2de --- /dev/null +++ b/Documentation/devicetree/bindings/sound/widgets.txt @@ -0,0 +1,20 @@ +Widgets: + +This mainly specifies audio off-codec DAPM widgets. + +Each entry is a pair of strings in DT: + + "template-wname", "user-supplied-wname" + +The "template-wname" being the template widget name and currently includes: +"Microphone", "Line", "Headphone" and "Speaker". + +The "user-supplied-wname" being the user specified widget name. + +For instance: + simple-audio-widgets = + "Microphone", "Microphone Jack", + "Line", "Line In Jack", + "Line", "Line Out Jack", + "Headphone", "Headphone Jack", + "Speaker", "Speaker External"; |