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SPI_WRITE(9) | Serial Peripheral Interface (S | SPI_WRITE(9) |
NAME¶
spi_write - SPI synchronous writeSYNOPSIS¶
int
spi_write(struct spi_device * spi,
const void * buf,
size_t len);
ARGUMENTS¶
spidevice to which data will be written
buf
data buffer
len
data buffer size
CONTEXT¶
can sleepDESCRIPTION¶
This function writes the buffer buf. Callable only from contexts that can sleep.RETURN¶
zero on success, else a negative error code.COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |