Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4ef7af50373778ee248a2493c9cf62a2299806a8
Commit: 4ef7af50373778ee248a2493c9cf62a2299806a8
Parent: 35cc0b975057389548bfe5703d438fe0deb4807e
Author: Anton Vorontsov <[EMAIL PROTECTED]>
AuthorDate: Tue Jul 31 00:38:43 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Jul 31 15:39:40 2007 -0700
SPI loopback mode definition
Loopback mode is supported by various controllers. This mode can be
useful for testing, especially in conjunction with spidev driver.
Signed-off-by: Anton Vorontsov <[EMAIL PROTECTED]>
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
include/linux/spi/spi.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 302b81d..e180615 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -77,6 +77,7 @@ struct spi_device {
#define SPI_CS_HIGH 0x04 /* chipselect active
high? */
#define SPI_LSB_FIRST 0x08 /* per-word
bits-on-wire */
#define SPI_3WIRE 0x10 /* SI/SO signals shared
*/
+#define SPI_LOOP 0x20 /* loopback mode */
u8 bits_per_word;
int irq;
void *controller_state;
-
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