SPI_READ
Section: Serial Peripheral Interface (S (9)
Updated: February 2011
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NAME
spi_read - SPI synchronous read
SYNOPSIS
-
int spi_read(struct spi_device * spi, u8 * 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.
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