staging: comedi: ni_mio_common: sample types are unsigned
Sample values in comedi are generally represented as unsigned values. Change the element type of the `ai_fifo_buffer[]` element of `struct ni_board_struct` and the types of various local variables from `short` to `unsigned short` for consistency. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1292,7 +1292,7 @@ static void ni_ao_fifo_load(struct comedi_device *dev,
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struct comedi_cmd *cmd = &async->cmd;
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int chan;
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int i;
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short d;
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unsigned short d;
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u32 packed_data;
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int range;
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int err = 1;
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@ -1403,7 +1403,7 @@ static void ni_ai_fifo_read(struct comedi_device *dev,
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int i;
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if (board->reg_type == ni_reg_611x) {
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short data[2];
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unsigned short data[2];
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u32 dl;
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for (i = 0; i < n / 2; i++) {
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@ -1420,7 +1420,7 @@ static void ni_ai_fifo_read(struct comedi_device *dev,
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cfc_write_to_buffer(s, data[0]);
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}
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} else if (board->reg_type == ni_reg_6143) {
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short data[2];
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unsigned short data[2];
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u32 dl;
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/* This just reads the FIFO assuming the data is present, no checks on the FIFO status are performed */
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@ -1511,9 +1511,9 @@ static void ni_handle_fifo_dregs(struct comedi_device *dev)
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const struct ni_board_struct *board = comedi_board(dev);
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struct ni_private *devpriv = dev->private;
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struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV];
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short data[2];
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unsigned short data[2];
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u32 dl;
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short fifo_empty;
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unsigned short fifo_empty;
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int i;
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if (board->reg_type == ni_reg_611x) {
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@ -1577,7 +1577,7 @@ static void get_last_sample_611x(struct comedi_device *dev)
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const struct ni_board_struct *board = comedi_board(dev);
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struct ni_private *devpriv __maybe_unused = dev->private;
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struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV];
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short data;
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unsigned short data;
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u32 dl;
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if (board->reg_type != ni_reg_611x)
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@ -1596,7 +1596,7 @@ static void get_last_sample_6143(struct comedi_device *dev)
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const struct ni_board_struct *board = comedi_board(dev);
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struct ni_private *devpriv __maybe_unused = dev->private;
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struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV];
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short data;
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unsigned short data;
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u32 dl;
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if (board->reg_type != ni_reg_6143)
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@ -1621,7 +1621,7 @@ static void ni_ai_munge(struct comedi_device *dev, struct comedi_subdevice *s,
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struct comedi_async *async = s->async;
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unsigned int i;
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unsigned int length = num_bytes / bytes_per_sample(s);
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short *array = data;
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unsigned short *array = data;
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unsigned int *larray = data;
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for (i = 0; i < length; i++) {
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@ -2873,7 +2873,7 @@ static void ni_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s,
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unsigned int i;
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unsigned int offset;
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unsigned int length = num_bytes / sizeof(short);
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short *array = data;
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unsigned short *array = data;
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offset = 1 << (board->aobits - 1);
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for (i = 0; i < length; i++) {
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@ -1491,7 +1491,7 @@ struct ni_board_struct {
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unsigned short pwm_up_count; \
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unsigned short pwm_down_count; \
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\
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short ai_fifo_buffer[0x2000]; \
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unsigned short ai_fifo_buffer[0x2000]; \
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uint8_t eeprom_buffer[M_SERIES_EEPROM_SIZE]; \
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uint32_t serial_number; \
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\
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