From 784790dbec40695bd6d74c862d9e5730e17ba9fd Mon Sep 17 00:00:00 2001 From: Michael Giacomelli Date: Mon, 18 Jan 2016 22:35:56 +0100 Subject: Change the clipv2 button driver to use fixed delays rather than processor cycle counting. Also introduce a new delay needed for frequency scaling. Change-Id: I575a503a8ca44358fcd5512fd951fe9c7bbde31c --- firmware/target/arm/as3525/button-clip.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'firmware/target/arm/as3525') diff --git a/firmware/target/arm/as3525/button-clip.c b/firmware/target/arm/as3525/button-clip.c index 35b5e8af5e..c83590a06e 100644 --- a/firmware/target/arm/as3525/button-clip.c +++ b/firmware/target/arm/as3525/button-clip.c @@ -118,10 +118,7 @@ bool button_hold(void) #ifdef SANSA_CLIPV2 GPIOA_DIR |= 1<<7; GPIOA_PIN(7) = 1<<7; - - int delay = 50; - while(delay--) - asm("nop"); + udelay(2); #endif bool hold_button = (GPIOA_PIN(3) != 0); @@ -129,6 +126,7 @@ bool button_hold(void) #ifdef SANSA_CLIPV2 GPIOA_PIN(7) = 0; GPIOA_DIR &= ~(1<<7); + udelay(4); #endif #ifndef BOOTLOADER -- cgit v1.2.3