[Fix] always return -1

CoorFun · Jan 2, 2019 · d0f2014 · d0f2014
1 parent 8e0db03
commit d0f2014
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/cAPA102.c b/src/cAPA102.c
@@ -53,7 +53,7 @@ int cAPA102_Init(uint32_t led_num, uint8_t spi_bus, uint8_t spi_dev, uint8_t bri
  cAPA012_BUF.brightness = 0xE0 | (0x1F & brightness);
  cAPA012_BUF.pixels = (uint8_t *)malloc(cAPA012_BUF.number * 4);
  cAPA012_BUF.fd_spi = cAPA102_Try_Open_SPI_Dev(RETRY_TIMES, RETRY_GAP_SEC, spi_bus, spi_dev);
- if (cAPA012_BUF.fd_spi)
+ if ( -1 == cAPA012_BUF.fd_spi )
  return -1;
  cAPA102_Clear_All();
  return 0;
@@ -189,4 +189,4 @@ static int cAPA102_Open_SPI_Dev(uint8_t spi_bus, uint8_t spi_dev){
  ioctl(fd_temp, SPI_IOC_WR_MODE, SPI_MODE_0 | SPI_NO_CS);
  ioctl(fd_temp, SPI_IOC_WR_MAX_SPEED_HZ, BITRATE);
  return fd_temp;
-}
+}