iio: adc: ad9361: Fix max filter HB rates and update the available attr.

This should not limit the rates which were previously computed. It just enforces max rates which could have been selected by a handcrafted filter file. Signed-off-by: Michael Hennerich <[email protected]>
analogdevicesinc · Feb 15, 2019 · 644f296 · 644f296
1 parent a091ca8
commit 644f296
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Showing 2 changed files with 11 additions and 5 deletions.
diff --git a/drivers/iio/adc/ad9361.c b/drivers/iio/adc/ad9361.c
@@ -7951,6 +7951,9 @@ static int ad9361_phy_read_avail(struct iio_dev *indio_dev,
 			else
 				int_dec = st->tx_fir_int;
 
+			if (int_dec == 4)
+				max = MAX_TX_HB1 / 4;
+
 			st->tx_sampl_freq_avail[0] = MIN_ADC_CLK / (12 * int_dec);
 			st->tx_sampl_freq_avail[1] = 1;
 			st->tx_sampl_freq_avail[2] = max;
@@ -7964,6 +7967,9 @@ static int ad9361_phy_read_avail(struct iio_dev *indio_dev,
 			else
 				int_dec = st->rx_fir_dec;
 
+			if (int_dec == 4)
+				max = MAX_RX_HB1 / 4;
+
 			st->rx_sampl_freq_avail[0] = MIN_ADC_CLK / (12 * int_dec);
 			st->rx_sampl_freq_avail[1] = 1;
 			st->rx_sampl_freq_avail[2] = max;

diff --git a/drivers/iio/adc/ad9361_regs.h b/drivers/iio/adc/ad9361_regs.h
@@ -2798,12 +2798,12 @@
 #define MAX_DAC_CLK			(MAX_ADC_CLK / 2)
 
 /* Associated with outputs of stage */
-#define MAX_RX_HB1			245760000UL
-#define MAX_RX_HB2			320000000UL
-#define MAX_RX_HB3			640000000UL
+#define MAX_RX_HB1			122880000UL
+#define MAX_RX_HB2			245760000UL
+#define MAX_RX_HB3			320000000UL
 /* Associated with inputs of stage */
-#define MAX_TX_HB1			160000000UL
-#define MAX_TX_HB2			320000000UL
+#define MAX_TX_HB1			122880000UL
+#define MAX_TX_HB2			245760000UL
 #define MAX_TX_HB3			320000000UL
 
 #define MAX_BASEBAND_RATE		61440000UL