diff options
-rwxr-xr-x | board/hardkernel/odroid-common/lt8619c.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/board/hardkernel/odroid-common/lt8619c.c b/board/hardkernel/odroid-common/lt8619c.c index efd1849749..0ddbebfae0 100755 --- a/board/hardkernel/odroid-common/lt8619c.c +++ b/board/hardkernel/odroid-common/lt8619c.c @@ -121,8 +121,10 @@ static int lt8619c_reg_write(uint8_t reg, uint8_t data) outbuf[0] = reg; outbuf[1] = data; - if (aml_i2c_xfer(&msg, 1) != 1) + if (aml_i2c_xfer(&msg, 1) != 1) { printf("i2c 0x%02x 0x%02x write failed\n", reg, data); + return -1; + } return 0; } @@ -150,7 +152,8 @@ static bool lt8619c_check_chipid(void) { unsigned int chip_id[3]; - lt8619c_reg_write(0xff, 0x60); + if (lt8619c_reg_write(0xff, 0x60) < 0) + return false; chip_id[0] = lt8619c_reg_read(0x00); chip_id[1] = lt8619c_reg_read(0x01); |