From: H Hartley Sweeten Date: Mon, 17 Feb 2014 21:27:13 +0000 (-0700) Subject: staging: comedi: pcl812: remove 'ai_maxdata' from boardinfo X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f8bf22a8e087225fc6a294170006cb409ae1a8ae;p=openwrt%2Fstaging%2Fblogic.git staging: comedi: pcl812: remove 'ai_maxdata' from boardinfo Most of the board types supported by this driver have 12-bit analog inputs. Two of them, the acl8216 and a826pg, have 16-bit analog inputs. Remove the 'ai_maxdata' member from the boardinfo and replace it with a bit-field flag 'has_16bit_ai'. Refactor pcl812_attach() to use this new boardinfo. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c index 54bbd9e59261..4ecbb297dcb7 100644 --- a/drivers/staging/comedi/drivers/pcl812.c +++ b/drivers/staging/comedi/drivers/pcl812.c @@ -333,11 +333,11 @@ struct pcl812_board { int board_type; int n_aichan; int n_aochan; - int ai_maxdata; unsigned int ai_ns_min; const struct comedi_lrange *rangelist_ai; unsigned int IRQbits; unsigned int has_dma:1; + unsigned int has_16bit_ai:1; unsigned int has_mpc508_mux:1; unsigned int has_dio:1; }; @@ -348,7 +348,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardPCL812, .n_aichan = 16, .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 33000, .rangelist_ai = &range_bipolar10, .IRQbits = 0xdcfc, @@ -359,7 +358,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardPCL812PG, .n_aichan = 16, .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 33000, .rangelist_ai = &range_pcl812pg_ai, .IRQbits = 0xdcfc, @@ -370,7 +368,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardPCL812PG, .n_aichan = 16, .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_pcl812pg_ai, .IRQbits = 0xdcfc, @@ -381,7 +378,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardACL8112, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_acl8112dg_ai, .IRQbits = 0xdcfc, @@ -393,7 +389,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardACL8112, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_acl8112hg_ai, .IRQbits = 0xdcfc, @@ -405,7 +400,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardA821, .n_aichan = 16, /* 8 differential */ .n_aochan = 1, - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_pcl813b_ai, .IRQbits = 0x000c, @@ -414,7 +408,6 @@ static const struct pcl812_board boardtypes[] = { .name = "a821pglnda", .board_type = boardA821, .n_aichan = 16, /* 8 differential */ - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_pcl813b_ai, .IRQbits = 0x000c, @@ -423,7 +416,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardA821, .n_aichan = 16, /* 8 differential */ .n_aochan = 1, - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_a821pgh_ai, .IRQbits = 0x000c, @@ -433,7 +425,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardACL8112, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_acl8112dg_ai, .IRQbits = 0xdcfc, @@ -444,7 +435,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardACL8112, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 10000, .rangelist_ai = &range_acl8112hg_ai, .IRQbits = 0xdcfc, @@ -455,7 +445,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardACL8112, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 8000, .rangelist_ai = &range_acl8112dg_ai, .IRQbits = 0xdcfc, @@ -466,7 +455,6 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardACL8112, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0x0fff, .ai_ns_min = 8000, .rangelist_ai = &range_acl8112hg_ai, .IRQbits = 0xdcfc, @@ -476,36 +464,32 @@ static const struct pcl812_board boardtypes[] = { .name = "pcl813", .board_type = boardPCL813, .n_aichan = 32, - .ai_maxdata = 0x0fff, .rangelist_ai = &range_pcl813b_ai, }, { .name = "pcl813b", .board_type = boardPCL813B, .n_aichan = 32, - .ai_maxdata = 0x0fff, .rangelist_ai = &range_pcl813b_ai, }, { .name = "acl8113", .board_type = boardACL8113, .n_aichan = 32, - .ai_maxdata = 0x0fff, .rangelist_ai = &range_acl8113_1_ai, }, { .name = "iso813", .board_type = boardISO813, .n_aichan = 32, - .ai_maxdata = 0x0fff, .rangelist_ai = &range_iso813_1_ai, }, { .name = "acl8216", .board_type = boardACL8216, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0xffff, .ai_ns_min = 10000, .rangelist_ai = &range_pcl813b2_ai, .IRQbits = 0xdcfc, .has_dma = 1, + .has_16bit_ai = 1, .has_mpc508_mux = 1, .has_dio = 1, }, { @@ -513,11 +497,11 @@ static const struct pcl812_board boardtypes[] = { .board_type = boardACL8216, .n_aichan = 16, /* 8 differential */ .n_aochan = 2, - .ai_maxdata = 0xffff, .ai_ns_min = 10000, .rangelist_ai = &range_pcl813b2_ai, .IRQbits = 0xdcfc, .has_dma = 1, + .has_16bit_ai = 1, .has_dio = 1, }, }; @@ -1446,7 +1430,7 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->subdev_flags |= SDF_GROUND; s->n_chan = board->n_aichan; } - s->maxdata = board->ai_maxdata; + s->maxdata = board->has_16bit_ai ? 0xffff : 0x0fff; pcl812_set_ai_range_table(dev, s, it);