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V4L/DVB (7360): tuner-simple: fix return value of simple_dvb_configure

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simple_dvb_configure returns the actual tuned frequency to its caller, so
it must be declared as a u32 rather than an int.  As a result, we will
return 0 to indicate a failure.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2008-04-22 14:45:56 -03:00 committed by Mauro Carvalho Chehab
parent 26cd8972fb
commit a2a7f84b79
1 changed files with 6 additions and 8 deletions
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14
drivers/media/video/tuner-simple.c
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@ -788,9 +788,10 @@ static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
}
}
static int simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
const struct dvb_frontend_parameters *params)
{
/* This function returns the tuned frequency on success, 0 on error */
struct tuner_simple_priv *priv = fe->tuner_priv;
struct tunertype *tun = priv->tun;
static struct tuner_params *t_params;
@ -801,7 +802,7 @@ static int simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
if (ret < 0)
return ret;
return 0; /* failure */
div = ((frequency + t_params->iffreq) * 62500 + offset +
tun->stepsize/2) / tun->stepsize;
@ -825,17 +826,14 @@ static int simple_dvb_calc_regs(struct dvb_frontend *fe,
u8 *buf, int buf_len)
{
struct tuner_simple_priv *priv = fe->tuner_priv;
int ret;
u32 frequency;
if (buf_len < 5)
return -EINVAL;
ret = simple_dvb_configure(fe, buf+1, params);
if (ret < 0)
return ret;
else
frequency = ret;
frequency = simple_dvb_configure(fe, buf+1, params);
if (frequency == 0)
return -EINVAL;
buf[0] = priv->i2c_props.addr;