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authorPatrick Boettcher <pb@linuxtv.org>2006-01-09 18:21:33 -0200
committerMauro Carvalho Chehab <mchehab@brturbo.com.br>2006-01-09 18:21:33 -0200
commita6bab889c4d21cb8c0b0a25959daba87a56eccbb (patch)
treea5401371f3834d84372bee0d3b0672d68ba147e2 /drivers/media
parent4e5910e6fe5d977a36f7f39f6b13d61109eca19f (diff)
V4L/DVB (3320): Check if PLL-description is set
- Check if in the dvb-usb-device-structure the dvb_pll_desc is set before use. Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-i2c.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c b/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c
index da970947dfc..9b254532af4 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c
@@ -52,9 +52,8 @@ int dvb_usb_pll_init_i2c(struct dvb_frontend *fe)
struct i2c_msg msg = { .addr = d->pll_addr, .flags = 0, .buf = d->pll_init, .len = 4 };
int ret = 0;
- /* if there is nothing to initialize */
- if (d->pll_init[0] == 0x00 && d->pll_init[1] == 0x00 &&
- d->pll_init[2] == 0x00 && d->pll_init[3] == 0x00)
+ /* if pll_desc is not used */
+ if (d->pll_desc == NULL)
return 0;
if (d->tuner_pass_ctrl)
@@ -80,6 +79,9 @@ int dvb_usb_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep
{
struct dvb_usb_device *d = fe->dvb->priv;
+ if (d->pll_desc == NULL)
+ return 0;
+
deb_pll("pll addr: %x, freq: %d %p\n",d->pll_addr,fep->frequency,d->pll_desc);
b[0] = d->pll_addr << 1;