From 8f33879fed408e13f7dee050a1c2dc8fa53496fb Mon Sep 17 00:00:00 2001 From: Michael Sparmann Date: Wed, 17 Feb 2010 15:54:48 +0000 Subject: Enable iPod Nano 2G boosting (without undervolting for now) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24721 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/arm/s5l8700/ipodnano2g/pmu-nano2g.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) (limited to 'firmware/target/arm/s5l8700/ipodnano2g/pmu-nano2g.c') diff --git a/firmware/target/arm/s5l8700/ipodnano2g/pmu-nano2g.c b/firmware/target/arm/s5l8700/ipodnano2g/pmu-nano2g.c index be026a8cf4..aea9b79b55 100644 --- a/firmware/target/arm/s5l8700/ipodnano2g/pmu-nano2g.c +++ b/firmware/target/arm/s5l8700/ipodnano2g/pmu-nano2g.c @@ -24,16 +24,15 @@ #include "i2c-s5l8700.h" static struct mutex pmu_adc_mutex; -int pmu_initialized = 0; -void pmu_read_multiple(int address, int count, unsigned char* buffer) +int pmu_read_multiple(int address, int count, unsigned char* buffer) { - i2c_read(0xe6, address, count, buffer); + return i2c_read(0xe6, address, count, buffer); } -void pmu_write_multiple(int address, int count, unsigned char* buffer) +int pmu_write_multiple(int address, int count, unsigned char* buffer) { - i2c_write(0xe6, address, count, buffer); + return i2c_write(0xe6, address, count, buffer); } unsigned char pmu_read(int address) @@ -45,22 +44,19 @@ unsigned char pmu_read(int address) return tmp; } -void pmu_write(int address, unsigned char val) +int pmu_write(int address, unsigned char val) { - pmu_write_multiple(address, 1, &val); + return pmu_write_multiple(address, 1, &val); } void pmu_init(void) { - if (pmu_initialized) return; mutex_init(&pmu_adc_mutex); - pmu_initialized = 1; } int pmu_read_adc(unsigned int adc) { int data = 0; - if (!pmu_initialized) pmu_init(); mutex_lock(&pmu_adc_mutex); pmu_write(0x54, 5 | (adc << 4)); while ((data & 0x80) == 0) -- cgit v1.2.3