Adds implementation of the new INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS
instruction. This patch also adds data for this implementation, based on
spec sheets from NI.
Signed-off-by: Spencer E. Olson <olsonse@xxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_pcidio.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 6692af5ff79b..b9a0dc6eac44 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -260,18 +260,22 @@ enum nidio_boardid {
struct nidio_board {
const char *name;
unsigned int uses_firmware:1;
+ unsigned int dio_speed;
};
static const struct nidio_board nidio_boards[] = {
[BOARD_PCIDIO_32HS] = {
.name = "pci-dio-32hs",
+ .dio_speed = 50,
},
[BOARD_PXI6533] = {
.name = "pxi-6533",
+ .dio_speed = 50,
},
[BOARD_PCI6534] = {
.name = "pci-6534",
.uses_firmware = 1,
+ .dio_speed = 50,
},
};
@@ -467,6 +471,15 @@ static int ni_pcidio_insn_config(struct comedi_device *dev,
{
int ret;
+ if (data[0] == INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS) {
+ const struct nidio_board *board = dev->board_ptr;
+
+ /* we don't care about actual channels */
+ data[1] = board->dio_speed;
+ data[2] = 0;
+ return 0;
+ }
+
ret = comedi_dio_insn_config(dev, s, insn, data, 0);
if (ret)
return ret;
--
2.17.1
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