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SubjectRe: [PATCH] staging: pi433: Fix rf69_set_tx_cfg() logic
On Wed, Mar 27, 2019 at 08:11:20AM +0000, Sidong Yang wrote:
> Moved code to configure sync to where check enable_sync option before.
> There is no need to check enable_sync twice. Configuring sync should be
> executed immediately after enabling sync.
>
> Signed-off-by: Sidong Yang <realwakka@gmail.com>
> ---
> drivers/staging/pi433/pi433_if.c | 17 +++++++----------
> 1 file changed, 7 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
> index 53928af696a6..0a48d6cb9547 100644
> --- a/drivers/staging/pi433/pi433_if.c
> +++ b/drivers/staging/pi433/pi433_if.c
> @@ -318,10 +318,17 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg)
> return ret;
> }
>
> + /* configure sync, if enabled */

This comment is obvious. Just delete it.

> if (tx_cfg->enable_sync == OPTION_ON) {
> ret = rf69_enable_sync(dev->spi);
> if (ret < 0)
> return ret;
> + ret = rf69_set_sync_size(dev->spi, tx_cfg->sync_length);
> + if (ret < 0)
> + return ret;
> + ret = rf69_set_sync_values(dev->spi, tx_cfg->sync_pattern);
> + if (ret < 0)
> + return ret;

It's weird that we enable sync before we et the size or sync values...

regards,
dan carpenter

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