| SPI_READ(9) | Serial Peripheral Interface (S | SPI_READ(9) |
NAME¶
spi_read - SPI synchronous read
SYNOPSIS¶
int spi_read(struct spi_device * spi, void * buf, size_t len);
ARGUMENTS¶
spi
device from which data will be read
buf
data buffer
len
data buffer size
CONTEXT¶
can sleep
DESCRIPTION¶
This reads the buffer and returns zero or a negative error code. Callable only from contexts that can sleep.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |