staging: comedi: cb_pcidas: cleanup the boardinfo 3

Remove the ai_diff_chans variable. This option is not used in
the driver. If it is used later, the value can be easily found
by using ai_se_chans/2.

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

diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index f7090de..59b0f91 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -240,7 +240,6 @@ struct cb_pcidas_board {
        const char *name;
        unsigned short device_id;
        int ai_se_chans;        /*  Inputs in single-ended mode */
-       int ai_diff_chans;      /*  Inputs in differential mode */
        int ai_bits;            /*  analog input resolution */
        int ai_speed;           /*  fastest conversion period in ns */
        int ao_nchan;           /*  number of analog out channels */
@@ -258,7 +257,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1602/16",
                .device_id      = 0x1,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 16,
                .ai_speed       = 5000,
                .ao_nchan       = 2,
@@ -273,7 +271,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1200",
                .device_id      = 0xF,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 12,
                .ai_speed       = 3200,
                .ao_nchan       = 2,
@@ -284,7 +281,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1602/12",
                .device_id      = 0x10,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 12,
                .ai_speed       = 3200,
                .ao_nchan       = 2,
@@ -298,7 +294,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1200/jr",
                .device_id      = 0x19,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 12,
                .ai_speed       = 3200,
                .fifo_size      = 1024,
@@ -308,7 +303,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1602/16/jr",
                .device_id      = 0x1C,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 16,
                .ai_speed       = 5000,
                .fifo_size      = 512,
@@ -320,7 +314,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1000",
                .device_id      = 0x4C,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 12,
                .ai_speed       = 4000,
                .fifo_size      = 1024,
@@ -330,7 +323,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1001",
                .device_id      = 0x1a,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 12,
                .ai_speed       = 6800,
                .ao_nchan       = 2,
@@ -341,7 +333,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
                .name           = "pci-das1002",
                .device_id      = 0x1b,
                .ai_se_chans    = 16,
-               .ai_diff_chans  = 8,
                .ai_bits        = 12,
                .ai_speed       = 6800,
                .ao_nchan       = 2,