diff options
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index ea39d1a..b76a26c 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -8,6 +8,18 @@ #include <malloc.h> #include <spi.h> +int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen) +{ + if (wordlen == 0 || wordlen > 32) { + printf("spi: invalid wordlen %d\n", wordlen); + return -1; + } + + slave->wordlen = wordlen; + + return 0; +} + void *spi_do_alloc_slave(int offset, int size, unsigned int bus, unsigned int cs) { @@ -20,6 +32,7 @@ void *spi_do_alloc_slave(int offset, int size, unsigned int bus, slave = (struct spi_slave *)(ptr + offset); slave->bus = bus; slave->cs = cs; + slave->wordlen = SPI_DEFAULT_WORDLEN; } return ptr; |