[PATCH] staging: comedi: use meaningful variable name

[Gujulan Elango, Hari Prasath (H.)]

From: Hari Prasath Gujulan Elango <hgujulan at visteon.com>

This patch renames the very generic variable name 'todo' to
num_samples_to_read.

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan at visteon.com>
---
 drivers/staging/comedi/drivers/amplc_pci230.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index 20d5920..b19ab12 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -2011,17 +2011,18 @@ static void pci230_handle_ai(struct comedi_device *dev,
 	struct comedi_cmd *cmd = &async->cmd;
 	unsigned int status_fifo;
 	unsigned int i;
-	unsigned int todo;
+	unsigned int num_samples_to_read;
 	unsigned int fifoamount;
 	unsigned short val;
 
 	/* Determine number of samples to read. */
-	todo = comedi_nsamples_left(s, PCI230_ADC_FIFOLEVEL_HALFFULL);
-	if (todo == 0)
+	num_samples_to_read = comedi_nsamples_left(s,
+					PCI230_ADC_FIFOLEVEL_HALFFULL);
+	if (num_samples_to_read == 0)
 		return;
 
 	fifoamount = 0;
-	for (i = 0; i < todo; i++) {
+	for (i = 0; i < num_samples_to_read; i++) {
 		if (fifoamount == 0) {
 			/* Read FIFO state. */
 			status_fifo = inw(devpriv->daqio + PCI230_ADCCON);
-- 
1.9.1