[PATCH 2/6] staging: pi433: Split rf69_set_sync_enabled into two functions

[Simon Sandström]

Splits rf69_set_sync_enabled(dev, enabled) into
rf69_enable_sync(dev) and rf69_disable_sync(dev).

Signed-off-by: Simon Sandström <si...@nikanor.nu>
---
 drivers/staging/pi433/pi433_if.c | 21 +++++++++++++++++++--
 drivers/staging/pi433/rf69.c     | 18 ++++++------------
 drivers/staging/pi433/rf69.h     |  4 ++--
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 614eec7dd904..fb500d062df8 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -197,13 +197,20 @@ rf69_set_rx_cfg(struct pi433_device *dev, struct 
pi433_rx_cfg *rx_cfg)
 
        /* packet config */
        /* enable */
-       SET_CHECKED(rf69_set_sync_enable(dev->spi, rx_cfg->enable_sync));
        if (rx_cfg->enable_sync == OPTION_ON)
        {
+               ret = rf69_enable_sync(dev->spi);
+               if (ret < 0)
+                       return ret;
+
                SET_CHECKED(rf69_set_fifo_fill_condition(dev->spi, 
afterSyncInterrupt));
        }
        else
        {
+               ret = rf69_disable_sync(dev->spi);
+               if (ret < 0)
+                       return ret;
+
                SET_CHECKED(rf69_set_fifo_fill_condition(dev->spi, always));
        }
        if (rx_cfg->enable_length_byte == OPTION_ON) {
@@ -281,7 +288,17 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct 
pi433_tx_cfg *tx_cfg)
        {
                SET_CHECKED(rf69_set_preamble_length(dev->spi, 0));
        }
-       SET_CHECKED(rf69_set_sync_enable  (dev->spi, tx_cfg->enable_sync));
+
+       if (tx_cfg->enable_sync == OPTION_ON) {
+               ret = rf69_enable_sync(dev->spi);
+               if (ret < 0)
+                       return ret;
+       } else {
+               ret = rf69_disable_sync(dev->spi);
+               if (ret < 0)
+                       return ret;
+       }
+
        if (tx_cfg->enable_length_byte == OPTION_ON) {
                ret = rf69_set_packet_format(dev->spi, packetLengthVar);
                if (ret < 0)
diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index 8c9c9bb91c53..12a1091d9936 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -746,20 +746,14 @@ int rf69_set_preamble_length(struct spi_device *spi, u16 
preambleLength)
        return retval;
 }
 
-int rf69_set_sync_enable(struct spi_device *spi,
-                        enum option_on_off option_on_off)
+int rf69_enable_sync(struct spi_device *spi)
 {
-       #ifdef DEBUG
-               dev_dbg(&spi->dev, "set: sync enable");
-       #endif
+       return rf69_set_bit(spi, REG_SYNC_CONFIG, MASK_SYNC_CONFIG_SYNC_ON);
+}
 
-       switch (option_on_off) {
-       case OPTION_ON: return rf69_set_bit(spi, REG_SYNC_CONFIG, 
MASK_SYNC_CONFIG_SYNC_ON);
-       case OPTION_OFF: return rf69_clear_bit(spi, REG_SYNC_CONFIG, 
MASK_SYNC_CONFIG_SYNC_ON);
-       default:
-               dev_dbg(&spi->dev, "set: illegal input param");
-               return -EINVAL;
-       }
+int rf69_disable_sync(struct spi_device *spi)
+{
+       return rf69_clear_bit(spi, REG_SYNC_CONFIG, MASK_SYNC_CONFIG_SYNC_ON);
 }
 
 int rf69_set_fifo_fill_condition(struct spi_device *spi, enum 
fifoFillCondition fifoFillCondition)
diff --git a/drivers/staging/pi433/rf69.h b/drivers/staging/pi433/rf69.h
index 9428dee97de7..177223451c87 100644
--- a/drivers/staging/pi433/rf69.h
+++ b/drivers/staging/pi433/rf69.h
@@ -59,8 +59,8 @@ int rf69_set_rssi_threshold(struct spi_device *spi, u8 
threshold);
 int rf69_set_rx_start_timeout(struct spi_device *spi, u8 timeout);
 int rf69_set_rssi_timeout(struct spi_device *spi, u8 timeout);
 int rf69_set_preamble_length(struct spi_device *spi, u16 preambleLength);
-int rf69_set_sync_enable(struct spi_device *spi,
-                        enum option_on_off option_on_off);
+int rf69_enable_sync(struct spi_device *spi);
+int rf69_disable_sync(struct spi_device *spi);
 int rf69_set_fifo_fill_condition(struct spi_device *spi, enum 
fifoFillCondition fifoFillCondition);
 int rf69_set_sync_size(struct spi_device *spi, u8 sync_size);
 int rf69_set_sync_tolerance(struct spi_device *spi, u8 syncTolerance);
-- 
2.11.0

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