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spi: fix mraa_spi_bit_per_word call to use correct ioctl

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This should fix #14

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-10-22 20:52:11 +01:00
parent 8b7c1d80cb
commit a67d71ed90
1 changed files with 4 additions and 0 deletions
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4
src/spi/spi.c
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@@ -146,6 +146,10 @@ mraa_spi_lsbmode(mraa_spi_context dev, mraa_boolean_t lsb)
mraa_result_t mraa_result_t
mraa_spi_bit_per_word(mraa_spi_context dev, unsigned int bits) mraa_spi_bit_per_word(mraa_spi_context dev, unsigned int bits)
{ {
if (ioctl(dev->devfd, SPI_IOC_WR_BITS_PER_WORD, &bits) < 0) {
syslog(LOG_ERR, "spi: Failed to set bit per word");
return MRAA_ERROR_INVALID_RESOURCE;
}
dev->bpw = bits; dev->bpw = bits;
return MRAA_SUCCESS; return MRAA_SUCCESS;
} }