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tune number of active channels (instead of always doing 4) in ad9361_… #8

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Merged
merged 1 commit into from
Sep 18, 2015
Merged

tune number of active channels (instead of always doing 4) in ad9361_… #8

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9 changes: 6 additions & 3 deletions drivers/iio/adc/ad9361_conv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ ssize_t ad9361_dig_interface_timing_analysis(struct ad9361_rf_phy *phy,
{
struct axiadc_converter *conv = spi_get_drvdata(phy->spi);
struct axiadc_state *st;
int ret, i, j, chan, len = 0;
int ret, i, j, chan, num_chan, len = 0;
u8 field[16][16];
u8 rx;

Expand All @@ -47,20 +47,23 @@ ssize_t ad9361_dig_interface_timing_analysis(struct ad9361_rf_phy *phy,

rx = ad9361_spi_read(phy->spi, REG_RX_CLOCK_DATA_DELAY);

num_chan = (conv->chip_info->num_channels > 4) ? 4 :
conv->chip_info->num_channels;

ad9361_bist_prbs(phy, BIST_INJ_RX);

for (i = 0; i < 16; i++) {
for (j = 0; j < 16; j++) {
ad9361_spi_write(phy->spi, REG_RX_CLOCK_DATA_DELAY,
DATA_CLK_DELAY(j) | RX_DATA_DELAY(i));
for (chan = 0; chan < 4; chan++)
for (chan = 0; chan < num_chan; chan++)
axiadc_write(st, ADI_REG_CHAN_STATUS(chan),
ADI_PN_ERR | ADI_PN_OOS);

mdelay(1);

if (axiadc_read(st, ADI_REG_STATUS) & ADI_STATUS) {
for (chan = 0, ret = 0; chan < 4; chan++)
for (chan = 0, ret = 0; chan < num_chan; chan++)
ret |= axiadc_read(st, ADI_REG_CHAN_STATUS(chan));
} else {
ret = 1;
Expand Down