From 39552d7ad1409d07ef278a97adbfbee02a272d25 Mon Sep 17 00:00:00 2001 From: Anatol Pomozov Date: Thu, 22 Jan 2015 15:47:24 -0800 Subject: ASoC: ts3a227e: Add dts property that allows to specify micbias voltage The voltage controls key press threshold. Signed-off-by: Anatol Pomozov Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/sound/ts3a227e.txt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/sound/ts3a227e.txt b/Documentation/devicetree/bindings/sound/ts3a227e.txt index e8bf23eb1803..a836881d9608 100644 --- a/Documentation/devicetree/bindings/sound/ts3a227e.txt +++ b/Documentation/devicetree/bindings/sound/ts3a227e.txt @@ -13,6 +13,11 @@ Required properties: - interrupt-parent: The parent interrupt controller - interrupts: Interrupt number for /INT pin from the 227e +Optional properies: + - ti,micbias: Intended MICBIAS voltage (datasheet section 9.6.7). + Select 0/1/2/3/4/5/6/7 to specify MACBIAS voltage + 2.1V/2.2V/2.3V/2.4V/2.5V/2.6V/2.7V/2.8V + Default value is "1" (2.2V). Examples: -- cgit v1.2.3