V4L/DVB (6658): Sets a default std, if not specified

Some drivers call set_frequency before selecting the video standard. Before
this patch, an invalid standard ID could be assumed.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2007-11-23 11:36:18 -03:00
parent c71d4bc512
commit a5e9fe149a
1 changed files with 5 additions and 1 deletions

View File

@ -912,7 +912,11 @@ static int xc2028_set_tv_freq(struct dvb_frontend *fe,
struct xc2028_data *priv = fe->tuner_priv;
fe_bandwidth_t bw;
/* FIXME: Maybe there are more 6 MHz video standards */
/* if std is not defined, choose one */
if (!p->std)
p->std = V4L2_STD_MN;
/* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */
if (p->std & V4L2_STD_MN)
bw = BANDWIDTH_6_MHZ;
else