[PATCH v2 07/11] staging: pi433: Split rf69_set_sync_enabled into two functions

From: Simon SandstrÃm
Date: Tue Dec 05 2017 - 17:10:13 EST


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

Signed-off-by: Simon SandstrÃm <simon@xxxxxxxxxx>
---
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 612d59f61f88..e5b29bed35ef 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -724,20 +724,14 @@ int rf69_set_preamble_length(struct spi_device *spi, u16 preambleLength)
return WRITE_REG(REG_PREAMBLE_LSB, lsb);
}

-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 WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) | MASK_SYNC_CONFIG_SYNC_ON));
+}

- switch (option_on_off) {
- case OPTION_ON: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) | MASK_SYNC_CONFIG_SYNC_ON));
- case OPTION_OFF: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(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 WRITE_REG(REG_SYNC_CONFIG, (READ_REG(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