From 0324bf59a8810cadf35d67f71f5ee409834ec4ee Mon Sep 17 00:00:00 2001 From: Amaury Pouly Date: Tue, 4 Feb 2014 00:23:35 +0100 Subject: imx233: make button-lradc drive able to handle VDDIO derived values In most devices, the button ladder is not actually derived from VDDIO but from a constant voltage source, making it very easy to read it. However on some devices like ther ZEN X-Fi Style, the ladder is wired to VDDIO we can be changed so it's crucial that the button driver correctly scales the values wrt VDDIO. Change-Id: Ifc11abe2838fa7d16d0d60ecd96964a8dc5ea6d7 --- firmware/target/arm/imx233/creative-zen/button-target.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'firmware/target/arm/imx233/creative-zen') diff --git a/firmware/target/arm/imx233/creative-zen/button-target.h b/firmware/target/arm/imx233/creative-zen/button-target.h index 65521d66e4..e9a3ac5ab7 100644 --- a/firmware/target/arm/imx233/creative-zen/button-target.h +++ b/firmware/target/arm/imx233/creative-zen/button-target.h @@ -25,11 +25,22 @@ bool button_debug_screen(void); +/* HOLD button */ #if !defined(CREATIVE_ZENXFISTYLE) #define HAS_BUTTON_HOLD #define IMX233_BUTTON_LRADC_HOLD_DET BLH_ADC #endif +/* VDDIO value */ +#if defined(CREATIVE_ZENXFISTYLE) +#define IMX233_BUTTON_LRADC_VDDIO 3660 +#elif defined(CREATIVE_ZEN) +#define IMX233_BUTTON_LRADC_VDDIO 3480 +#elif defined(CREATIVE_ZENXFI) +#define IMX233_BUTTON_LRADC_VDDIO 3500 +#endif + +/* LRADC channel */ #if defined(CREATIVE_ZENXFISTYLE) #define IMX233_BUTTON_LRADC_CHANNEL 2 #else -- cgit v1.2.3