Implement support for the USB488 defined READ_STATUS_BYTE ioctl (1/5)
and SRQ notifications with fasync (2/5) and poll/select (3/5) in order
to be able to synchronize with variable duration instrument
operations.
Add ioctls for other USB488 requests: REN_CONTROL, GOTO_LOCAL and
LOCAL_LOCKOUT. (4/5)
Add convenience ioctl to return all device capabilities (5/5)
PATCH Changelog:
v4 - Remove excess newlines and parens
- Simplify some expressions
- Remove redundant initialisation
v3 - Split into multiple patches as per gregkh request
V2 - Fix V1 bug: not waking sleepers on disconnect.
- Correct sparse warnings.
V1 - Original patch
Testing:
All functions tested ok on an USBTMC-USB488 compliant oscilloscope
Dave Penkler (5):
Implement an ioctl to support the USMTMC-USB488 READ_STATUS_BYTE
operation.
Add support for USBTMC USB488 SRQ notification with fasync
Add support for receiving USBTMC USB488 SRQ notifications via
poll/select
Add ioctl to retrieve USBTMC-USB488 capabilities
Add ioctls to enable and disable local controls on an instrument
drivers/usb/class/usbtmc.c | 354 +++++++++++++++++++++++++++++++++++++++++++
include/uapi/linux/usb/tmc.h | 29 +++-
2 files changed, 380 insertions(+), 3 deletions(-)
--
2.5.1
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