diff options
Diffstat (limited to 'common/tsu6721.c')
| -rw-r--r-- | common/tsu6721.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/common/tsu6721.c b/common/tsu6721.c index 7f3d1d0c7e..629e8e3e86 100644 --- a/common/tsu6721.c +++ b/common/tsu6721.c @@ -24,6 +24,9 @@ /* 8-bit I2C address */ #define TSU6721_I2C_ADDR (0x25 << 1) +/* Delay values */ +#define TSU6721_SW_RESET_DELAY 15 + static int saved_interrupts; uint8_t tsu6721_read(uint8_t reg) @@ -86,6 +89,14 @@ int tsu6721_get_device_type(void) (tsu6721_read(TSU6721_REG_DEV_TYPE1)); } +void tsu6721_reset(void) +{ + tsu6721_write(TSU6721_REG_RESET, 0x1); + /* TSU6721 reset takes ~10ms. Let's wait for 15ms to be safe. */ + msleep(TSU6721_SW_RESET_DELAY); + tsu6721_init(); +} + int tsu6721_mux(enum tsu6721_mux sel) { uint8_t id = tsu6721_read(TSU6721_REG_ADC); |