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| author | Mark Brown <broonie@kernel.org> | 2019-05-02 11:20:29 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-02 11:20:29 +0900 |
| commit | 2e5f081003f033d37be3faf052aaccc8b6a44aa5 (patch) | |
| tree | 6d07a9bfff47b20f997ecce96162b8ca9cf7b19c /include/uapi | |
| parent | 58b860ed4a77d9cb17b78e663a0341b79a12e240 (diff) | |
| parent | d61ad23cb3be09ff4956e9b9794134456522817f (diff) | |
Merge branch 'spi-5.2' into spi-next
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/spi/spidev.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/uapi/linux/spi/spidev.h b/include/uapi/linux/spi/spidev.h index c4253f0090d8..ee0f2460bff6 100644 --- a/include/uapi/linux/spi/spidev.h +++ b/include/uapi/linux/spi/spidev.h @@ -66,6 +66,9 @@ * @delay_usecs: If nonzero, how long to delay after the last bit transfer * before optionally deselecting the device before the next transfer. * @cs_change: True to deselect device before starting the next transfer. + * @word_delay_usecs: If nonzero, how long to wait between words within one + * transfer. This property needs explicit support in the SPI controller, + * otherwise it is silently ignored. * * This structure is mapped directly to the kernel spi_transfer structure; * the fields have the same meanings, except of course that the pointers @@ -100,7 +103,8 @@ struct spi_ioc_transfer { __u8 cs_change; __u8 tx_nbits; __u8 rx_nbits; - __u16 pad; + __u8 word_delay_usecs; + __u8 pad; /* If the contents of 'struct spi_ioc_transfer' ever change * incompatibly, then the ioctl number (currently 0) must change; |