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authorPatrick Boettcher <pb@linuxtv.org>2006-09-20 04:37:18 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-10-03 15:13:05 -0300
commit7fb3fc0c30a8bb8831da9d74b0c5f574962044f1 (patch)
tree929d847099496fc9ff1d57e878157bd6e6fa9707 /drivers/media/dvb/dvb-usb/dib0700_devices.c
parent9d0bc7047fc7a3f0e3bdc9ccc53ab6c487d4e189 (diff)
V4L/DVB (4654): Added module parameter force_lna_activation
Added a module parameter for force the activation of any LNA on a board. Suggest by Steve Toth. Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dib0700_devices.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dib0700_devices.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c
index a39917997382..e9a2177bd16a 100644
--- a/drivers/media/dvb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c
@@ -11,6 +11,11 @@
#include "dib3000mc.h"
#include "mt2060.h"
+static int force_lna_activation;
+module_param(force_lna_activation, int, 0644);
+MODULE_PARM_DESC(force_lna_activation, "force the activation of Low-Noise-Amplifyer(s) (LNA), "
+ "if applicable for the device (default: 0=automatic/off).");
+
/* Hauppauge Nova-T 500
* has a LNA on GPIO0 which is enabled by setting 1 */
static struct mt2060_config bristol_mt2060_config[2] = {
@@ -66,7 +71,10 @@ static int bristol_frontend_attach(struct dvb_usb_adapter *adap)
dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); msleep(10);
dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); msleep(10);
- dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1); msleep(10); // LNA
+ if (force_lna_activation)
+ dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1);
+ else
+ dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 0);
if (dib3000mc_i2c_enumeration(&adap->dev->i2c_adap, 2, DEFAULT_DIB3000P_I2C_ADDRESS, bristol_dib3000mc_config) != 0) {
dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); msleep(10);