diff options
| -rw-r--r-- | drivers/staging/poch/poch.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c index 2eb8e3d43c4..1308c7bada8 100644 --- a/drivers/staging/poch/poch.c +++ b/drivers/staging/poch/poch.c @@ -245,6 +245,11 @@ struct poch_dev { struct device *dev; }; +static int synth_rx; +module_param(synth_rx, bool, 0600); +MODULE_PARM_DESC(synth_rx, + "Synthesize received values using a counter. Default: No"); + static dev_t poch_first_dev; static struct class *poch_cls; static DEFINE_IDR(poch_ids); @@ -827,9 +832,11 @@ static int poch_open(struct inode *inode, struct file *filp) fpga + FPGA_TX_CTL_REG); } else { /* Flush RX FIFO and output data to cardbus. */ - iowrite32(FPGA_RX_CTL_CONT_CAP - | FPGA_RX_CTL_FIFO_FLUSH, - fpga + FPGA_RX_CTL_REG); + u32 ctl_val = FPGA_RX_CTL_CONT_CAP | FPGA_RX_CTL_FIFO_FLUSH; + if (synth_rx) + ctl_val |= FPGA_RX_CTL_SYNTH_DATA; + + iowrite32(ctl_val, fpga + FPGA_RX_CTL_REG); } atomic_inc(&channel->inited); |