diff options
Diffstat (limited to 'firmware/target/arm/ipod/adc-ipod-pcf.c')
| -rw-r--r-- | firmware/target/arm/ipod/adc-ipod-pcf.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/firmware/target/arm/ipod/adc-ipod-pcf.c b/firmware/target/arm/ipod/adc-ipod-pcf.c index bc2524de5d..c0936251ad 100644 --- a/firmware/target/arm/ipod/adc-ipod-pcf.c +++ b/firmware/target/arm/ipod/adc-ipod-pcf.c @@ -24,6 +24,7 @@ #include "string.h" #include "adc.h" #include "pcf50605.h" +#include "i2c-pp.h" struct adc_struct { long timeout; @@ -39,6 +40,9 @@ static unsigned short _adc_read(struct adc_struct *adc) if (adc->timeout < current_tick) { unsigned char data[2]; unsigned short value; + + i2c_lock(); + /* 5x per 2 seconds */ adc->timeout = current_tick + (HZ * 2 / 5); @@ -53,6 +57,8 @@ static unsigned short _adc_read(struct adc_struct *adc) adc->conversion(&value); } adc->data = value; + + i2c_unlock(); return value; } else { |