diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2007-10-18 23:40:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 11:53:41 -0700 |
| commit | bc552f77157d1bae79d0d3a5541da9579c39cb70 (patch) | |
| tree | 3874dee446b831d1ef6fa3ff81ce941138604b0a /include/linux | |
| parent | b2afe3317099afe0843e3cece6be60664e6033ea (diff) | |
| download | lwn-bc552f77157d1bae79d0d3a5541da9579c39cb70.tar.gz lwn-bc552f77157d1bae79d0d3a5541da9579c39cb70.zip | |
Misc: phantom, improved data passing
This new version guarantees amb_bit switch in small enough intervals, so that
the device won't stop working in the middle of a movement anymore. However it
preserves old (openhaptics) functionality.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/phantom.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/phantom.h b/include/linux/phantom.h index d3ebbfae6903..96f4048a6cc3 100644 --- a/include/linux/phantom.h +++ b/include/linux/phantom.h @@ -30,7 +30,11 @@ struct phm_regs { #define PHN_SET_REG _IOW (PH_IOC_MAGIC, 1, struct phm_reg *) #define PHN_GET_REGS _IOWR(PH_IOC_MAGIC, 2, struct phm_regs *) #define PHN_SET_REGS _IOW (PH_IOC_MAGIC, 3, struct phm_regs *) -#define PH_IOC_MAXNR 3 +/* this ioctl tells the driver, that the caller is not OpenHaptics and might + * use improved registers update (no more phantom switchoffs when using + * libphantom) */ +#define PHN_NOT_OH _IO (PH_IOC_MAGIC, 4) +#define PH_IOC_MAXNR 4 #define PHN_CONTROL 0x6 /* control byte in iaddr space */ #define PHN_CTL_AMP 0x1 /* switch after torques change */ |