lib: fix direction bit in GPIO code

source: http://lea.hamradio.si/~s57uuu/mischam/rtlsdr/ports.html * Removed unnecessary comment of old code. Signed-off-by: Fabian P. Schmidt <kerel-fs@gmx.de> Signed-off-by: Steve Markgraf <steve@steve-m.de>
8 years ago · ba64a7459a
parent e3e6ee23b7
commit ba64a7459a
1 changed files with 1 additions and 1 deletions
--- a/src/librtlsdr.c
+++ b/src/librtlsdr.c
@ -570,7 +570,7 @@ void rtlsdr_set_gpio_output(rtlsdr_dev_t *dev, uint8_t gpio)
 	gpio = 1 << gpio;

 	r = rtlsdr_read_reg(dev, SYSB, GPD, 1);
-	rtlsdr_write_reg(dev, SYSB, GPO, r & ~gpio, 1);
+	rtlsdr_write_reg(dev, SYSB, GPD, r & ~gpio, 1);
 	r = rtlsdr_read_reg(dev, SYSB, GPOE, 1);
 	rtlsdr_write_reg(dev, SYSB, GPOE, r | gpio, 1);
 }