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authorAapo Tahkola <aet@rasterburn.org>2007-05-08 21:33:52 (GMT)
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-07-18 17:23:44 (GMT)
commitd577ee004d1bb4620ae43758ca7a0aa35319faaa (patch)
treec9748785de60897fb2fba39f62448f3eefbad774 /drivers/media/dvb
parent3ab3b69de52460ee676304aa773cd37b0b952905 (diff)
downloadlinux-d577ee004d1bb4620ae43758ca7a0aa35319faaa.tar.xz
V4L/DVB (5696): M920x: add missing error handling to prevent syslog spamming
Signed-off-by: Aapo Tahkola <aet@rasterburn.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/dvb-usb/m920x.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index c9f1cec..a956bc5 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -407,6 +407,7 @@ static int m920x_identify_state(struct usb_device *udev,
/* demod configurations */
static int m920x_mt352_demod_init(struct dvb_frontend *fe)
{
+ int ret;
u8 config[] = { CONFIG, 0x3d };
u8 clock[] = { CLOCK_CTL, 0x30 };
u8 reset[] = { RESET, 0x80 };
@@ -416,17 +417,25 @@ static int m920x_mt352_demod_init(struct dvb_frontend *fe)
u8 unk1[] = { 0x93, 0x1a };
u8 unk2[] = { 0xb5, 0x7a };
- mt352_write(fe, config, ARRAY_SIZE(config));
- mt352_write(fe, clock, ARRAY_SIZE(clock));
- mt352_write(fe, reset, ARRAY_SIZE(reset));
- mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl));
- mt352_write(fe, agc, ARRAY_SIZE(agc));
- mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc));
- mt352_write(fe, unk1, ARRAY_SIZE(unk1));
- mt352_write(fe, unk2, ARRAY_SIZE(unk2));
-
deb("Demod init!\n");
+ if ((ret = mt352_write(fe, config, ARRAY_SIZE(config))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, clock, ARRAY_SIZE(clock))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, reset, ARRAY_SIZE(reset))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, agc, ARRAY_SIZE(agc))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, unk1, ARRAY_SIZE(unk1))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, unk2, ARRAY_SIZE(unk2))) != 0)
+ return ret;
+
return 0;
}