staging: comedi: me4000: refactor 'ao_fifo' boardinfo

This member of the boardinfo is always '4' for the boards that have an
analog output FIFO. Covert it to a bit-field, 'has_ao_fifo', to save a
bit of space.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 2f11cdd3eefbb5aa6cf70566f4bd7e8f946161a9..1d88c717234769963b5710298395699a5d601331 100644 (file)
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -188,12 +188,12 @@ enum me4000_boardid {
 
 struct me4000_board {
        const char *name;
-       int ao_fifo;
        int ai_nchan;
        int ai_sh_nchan;
        unsigned int can_do_diff_ai:1;
        unsigned int ex_trig_analog:1;
        unsigned int has_ao:1;
+       unsigned int has_ao_fifo:1;
        unsigned int has_counter:1;
 };
 
@@ -264,40 +264,40 @@ static const struct me4000_board me4000_boards[] = {
        },
        [BOARD_ME4680] = {
                .name           = "ME-4680",
-               .ao_fifo        = 4,
                .ai_nchan       = 32,
                .can_do_diff_ai = 1,
                .ex_trig_analog = 1,
                .has_ao         = 1,
+               .has_ao_fifo    = 1,
                .has_counter    = 1,
        },
        [BOARD_ME4680I] = {
                .name           = "ME-4680i",
-               .ao_fifo        = 4,
                .ai_nchan       = 32,
                .can_do_diff_ai = 1,
                .ex_trig_analog = 1,
                .has_ao         = 1,
+               .has_ao_fifo    = 1,
                .has_counter    = 1,
        },
        [BOARD_ME4680S] = {
                .name           = "ME-4680s",
-               .ao_fifo        = 4,
                .ai_nchan       = 32,
                .ai_sh_nchan    = 8,
                .can_do_diff_ai = 1,
                .ex_trig_analog = 1,
                .has_ao         = 1,
+               .has_ao_fifo    = 1,
                .has_counter    = 1,
        },
        [BOARD_ME4680IS] = {
                .name           = "ME-4680is",
-               .ao_fifo        = 4,
                .ai_nchan       = 32,
                .ai_sh_nchan    = 8,
                .can_do_diff_ai = 1,
                .ex_trig_analog = 1,
                .has_ao         = 1,
+               .has_ao_fifo    = 1,
                .has_counter    = 1,
        },
 };