From: Xiubo Li Date: Fri, 14 Feb 2014 01:34:34 +0000 (+0800) Subject: ASoC: binding: add tdm-slot.txt X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=72899ad8a46a80ad5fc725afea443f94945ae370;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git ASoC: binding: add tdm-slot.txt Signed-off-by: Xiubo Li Signed-off-by: Mark Brown --- 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.