iio: adc: ad9361: Fix to prevent invalid RFBW setting during enable FIR

mhennerich · commodo · commit bfb4701b5ede · 2018-12-07T14:22:53.000+02:00
Only if filt_[rx|tx]_bw_Hz is set in ad9361_parse_fir() use it otherwise
keep current RFBW for chain.

Signed-off-by: Michael Hennerich &lt;michael.hennerich@analog.com&gt;
diff --git a/drivers/iio/adc/ad9361.c b/drivers/iio/adc/ad9361.c
@@ -5642,8 +5642,8 @@ static int ad9361_validate_enable_fir(struct ad9361_rf_phy *phy)
 		ad9361_dig_tune(phy, 0, RESTORE_DEFAULT);
 
 	return ad9361_update_rf_bandwidth(phy,
-		valid ? st->filt_rx_bw_Hz : st->current_rx_bw_Hz,
-		valid ? st->filt_tx_bw_Hz : st->current_tx_bw_Hz);
+		(valid && st->filt_rx_bw_Hz) ? st->filt_rx_bw_Hz : st->current_rx_bw_Hz,
+		(valid && st->filt_tx_bw_Hz) ? st->filt_tx_bw_Hz : st->current_tx_bw_Hz);
 }
 
 static void ad9361_work_func(struct work_struct *work)

Original file line number	Diff line number	Diff line change
`@@ -5642,8 +5642,8 @@ static int ad9361_validate_enable_fir(struct ad9361_rf_phy *phy)`
`5642`	`5642`	`ad9361_dig_tune(phy, 0, RESTORE_DEFAULT);`
`5643`	`5643`
`5644`	`5644`	`return ad9361_update_rf_bandwidth(phy,`
`5645`		`- valid ? st->filt_rx_bw_Hz : st->current_rx_bw_Hz,`
`5646`		`- valid ? st->filt_tx_bw_Hz : st->current_tx_bw_Hz);`
	`5645`	`+ (valid && st->filt_rx_bw_Hz) ? st->filt_rx_bw_Hz : st->current_rx_bw_Hz,`
	`5646`	`+ (valid && st->filt_tx_bw_Hz) ? st->filt_tx_bw_Hz : st->current_tx_bw_Hz);`
`5647`	`5647`	`}`
`5648`	`5648`
`5649`	`5649`	`static void ad9361_work_func(struct work_struct *work)`