2017-12-02 10:52:04

by Marcus Wolf

[permalink] [raw]
Subject: [PATCH] staging: pi433: Bugfix for shift operation in rf69_get_modulation()

Defines used in cases contain already shifted bits, so currentValue must not be shifted.
Signed-off-by: Marcus Wolf <[email protected]>
---
drivers/staging/pi433/rf69.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index e69a215..12c9df9 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -102,7 +102,7 @@ enum modulation rf69_get_modulation(struct spi_device *spi)

currentValue = READ_REG(REG_DATAMODUL);

- switch (currentValue & MASK_DATAMODUL_MODULATION_TYPE >> 3) { // TODO improvement: change 3 to define
+ switch (currentValue & MASK_DATAMODUL_MODULATION_TYPE) {
case DATAMODUL_MODULATION_TYPE_OOK: return OOK;
case DATAMODUL_MODULATION_TYPE_FSK: return FSK;
default: return undefined;
--
1.7.10.4


2017-12-02 15:45:08

by Greg Kroah-Hartman

[permalink] [raw]
Subject: Re: [PATCH] staging: pi433: Bugfix for shift operation in rf69_get_modulation()

On Sat, Dec 02, 2017 at 12:51:54PM +0200, Marcus Wolf wrote:
> Defines used in cases contain already shifted bits, so currentValue must not be shifted.
> Signed-off-by: Marcus Wolf <[email protected]>

Odd extra ' ' in your subject :(

And again, linewrap please.

thanks,

greg k-h