| SPI_WRITE(9) | Serial Peripheral Interface (S | SPI_WRITE(9) |
NAME¶
spi_write - SPI synchronous write
SYNOPSIS¶
int spi_write(struct spi_device * spi, const void * buf, size_t len);
ARGUMENTS¶
spi
device to which data will be written
buf
data buffer
len
data buffer size
CONTEXT¶
can sleep
DESCRIPTION¶
This writes the buffer and returns zero or a negative error code. Callable only from contexts that can sleep.
COPYRIGHT¶
| June 2023 | Kernel Hackers Manual 3.10 |