staging: comedi: cb_pcidas: simplify the boardinfo
PATCH 16/36 staging: comedi: cb_pcidas: simplify the boardinfo
The boardinfo values 'has_ai_trig_gated' and 'has_ai_trig_invert' are both only set for the "1602" versions of the boards supported by this driver.
Simplify the boardinfo, and the code, by replacing these two variables with one "is_1602" variable.
--- drivers/staging/comedi/drivers/cb_pcidas.c | 41 ++++++++++++------------------ 1 file changed, 16 insertions(+), 25 deletions(-)
drivers/staging/comedi/drivers/cb_pcidas.c +16 -25
@@ -250,8 +250,7 @@ struct cb_pcidas_board {const struct comedi_lrange *ranges;enum trimpot_model trimpot; unsigned has_dac08:1; - unsigned has_ai_trig_gated:1; /* Tells if the AI trigger can be gated */ - unsigned has_ai_trig_invert:1; /* Tells if the AI trigger can be inverted */ + unsigned is_1602:1; };static const struct cb_pcidas_board cb_pcidas_boards[] = {
@@ -269,8 +268,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_ranges, .trimpot = AD8402, .has_dac08 = 1, - .has_ai_trig_gated = 1, - .has_ai_trig_invert = 1, + .is_1602 = 1, }, { .name = "pci-das1200",
@@ -285,8 +283,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_ranges, .trimpot = AD7376, .has_dac08 = 0, - .has_ai_trig_gated = 0, - .has_ai_trig_invert = 0, + .is_1602 = 0, }, { .name = "pci-das1602/12",
@@ -302,8 +299,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_ranges, .trimpot = AD7376, .has_dac08 = 0, - .has_ai_trig_gated = 1, - .has_ai_trig_invert = 1, + .is_1602 = 1, }, { .name = "pci-das1200/jr",
@@ -318,8 +314,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_ranges, .trimpot = AD7376, .has_dac08 = 0, - .has_ai_trig_gated = 0, - .has_ai_trig_invert = 0, + .is_1602 = 0, }, { .name = "pci-das1602/16/jr",
@@ -334,8 +329,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_ranges, .trimpot = AD8402, .has_dac08 = 1, - .has_ai_trig_gated = 1, - .has_ai_trig_invert = 1, + .is_1602 = 1, }, { .name = "pci-das1000",
@@ -350,8 +344,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_ranges, .trimpot = AD7376, .has_dac08 = 0, - .has_ai_trig_gated = 0, - .has_ai_trig_invert = 0, + .is_1602 = 0, }, { .name = "pci-das1001",
@@ -366,8 +359,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_alt_ranges, .trimpot = AD7376, .has_dac08 = 0, - .has_ai_trig_gated = 0, - .has_ai_trig_invert = 0, + .is_1602 = 0, }, { .name = "pci-das1002",
@@ -382,8 +374,7 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = { .ranges = &cb_pcidas_ranges, .trimpot = AD7376, .has_dac08 = 0, - .has_ai_trig_gated = 0, - .has_ai_trig_invert = 0, + .is_1602 = 0, }, };
@@ -938,8 +929,7 @@ static int cb_pcidas_ai_cmdtest(struct comedi_device *dev, ~(CR_FLAGS_MASK & ~(CR_EDGE |CR_INVERT )); err++; } -if (!thisboard->has_ai_trig_invert && - (cmd->start_arg &CR_INVERT )) { +if (!thisboard->is_1602 && (cmd->start_arg &CR_INVERT )) { cmd->start_arg &= (CR_FLAGS_MASK & ~CR_INVERT ); err++; }
@@ -1118,11 +1108,12 @@ static int cb_pcidas_ai_cmd(struct comedi_device *dev, bits |=SW_TRIGGER ; else if (cmd->start_src == TRIG_EXT) { bits |=EXT_TRIGGER |TGEN |XTRCL ; -if (thisboard->has_ai_trig_invert - && (cmd->start_arg &CR_INVERT )) - bits |=TGPOL ; -if (thisboard->has_ai_trig_gated && (cmd->start_arg &CR_EDGE )) - bits |=TGSEL ; +if (thisboard->is_1602) { +if (cmd->start_arg &CR_INVERT ) + bits |=TGPOL ; +if (cmd->start_arg &CR_EDGE ) + bits |=TGSEL ; + } } else {comedi_error (dev,"bug!" );return -1 ;
Signature · 1 line
1.7.11
Quoted 6 lines · H Hartley Sweeten
The boardinfo values '
has_ai_trig_gated' and 'has_ai_trig_invert' are both only set for the "1602" versions of the boards supported by this driver.Simplify the boardinfo, and the code, by replacing these two variables with one "
is_1602" variable.
This doesn't save any code and would make it harder to add a board that would need 'has_ai_trig_gated' and 'has_ai_trig_invert' set to different values (although it's pretty unlikely that new such boards would be added to this driver).
Signature · 2 lines
-=( Ian Abbott @ MEV Ltd. E-mail: <[email protected]> )=- -=( Tel: +44 (0)161 477 1898 FAX: +44 (0)161 718 3587 )=-