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Message-ID: <1392341676-4143-2-git-send-email-Li.Xiubo@freescale.com> Date: Fri, 14 Feb 2014 09:34:34 +0800 From: Xiubo Li <Li.Xiubo@...escale.com> To: <broonie@...nel.org>, <lgirdwood@...il.com>, <lars@...afoo.de> CC: <linux-kernel@...r.kernel.org>, <alsa-devel@...a-project.org>, <b47053@...escale.com>, Xiubo Li <Li.Xiubo@...escale.com>, Mark Brown <broonie@...aro.org> Subject: [PATCH v3 1/3] ASoC: binding: add tdm-slot.txt Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com> Cc: Lars-Peter Clausen <lars@...afoo.de> Cc: Mark Brown <broonie@...aro.org> --- Documentation/devicetree/bindings/sound/tdm-slot.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tdm-slot.txt diff --git a/Documentation/devicetree/bindings/sound/tdm-slot.txt b/Documentation/devicetree/bindings/sound/tdm-slot.txt new file mode 100644 index 0000000..6a2c842 --- /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. -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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