staging: comedi: ni_pcidio: implement INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS (3ad53c40) · Commits · 戴 / test

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@umich.edu> Reviewed-by:

Ian Abbott <abbotti@mev.co.uk> Signed-off-by:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_pcidio.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -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;

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