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V4L/DVB (13218): tda18271: consolidate common code for calibration on startup determination 

consolidate common code used to determine if calibration on startup is needed

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2009-10-24 18:37:22 -03:00 committed by Mauro Carvalho Chehab
parent 188ea058ff
commit 5881ecfca0
1 changed files with 15 additions and 36 deletions
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51
drivers/media/common/tuners/tda18271-fe.c
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@ -1205,23 +1205,23 @@ static int tda18271_setup_configuration(struct dvb_frontend *fe,
return 0; return 0;
} }
static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg)
{
/* tda18271_cal_on_startup == -1 when cal module option is unset */
return ((tda18271_cal_on_startup == -1) ?
/* honor configuration setting */
((cfg) && (cfg->rf_cal_on_startup)) :
/* module option overrides configuration setting */
(tda18271_cal_on_startup)) ? 1 : 0;
}
static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg) static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)
{ {
struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg; struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg;
int rf_cal_on_startup;
tda18271_setup_configuration(fe, cfg); tda18271_setup_configuration(fe, cfg);
/* tda18271_cal_on_startup == -1 when cal module option is unset */ if (tda18271_need_cal_on_startup(cfg))
if (tda18271_cal_on_startup == -1) {
/* honor configuration setting */
rf_cal_on_startup =
((cfg) && (cfg->rf_cal_on_startup)) ? 1 : 0;
} else {
/* module option overrides configuration setting */
rf_cal_on_startup = tda18271_cal_on_startup;
}
if (rf_cal_on_startup)
tda18271_init(fe); tda18271_init(fe);
return 0; return 0;
@ -1249,7 +1249,7 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
struct tda18271_config *cfg) struct tda18271_config *cfg)
{ {
struct tda18271_priv *priv = NULL; struct tda18271_priv *priv = NULL;
int instance, rf_cal_on_startup = 0; int instance;
mutex_lock(&tda18271_list_mutex); mutex_lock(&tda18271_list_mutex);
@ -1266,17 +1266,6 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
tda18271_setup_configuration(fe, cfg); tda18271_setup_configuration(fe, cfg);
/* tda18271_cal_on_startup == -1 when cal
* module option is unset */
if (tda18271_cal_on_startup == -1) {
/* honor attach-time configuration */
rf_cal_on_startup =
((cfg) && (cfg->rf_cal_on_startup)) ? 1 : 0;
} else {
/* module option overrides attach configuration */
rf_cal_on_startup = tda18271_cal_on_startup;
}
priv->cal_initialized = false; priv->cal_initialized = false;
mutex_init(&priv->lock); mutex_init(&priv->lock);
@ -1289,7 +1278,8 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
mutex_lock(&priv->lock); mutex_lock(&priv->lock);
tda18271_init_regs(fe); tda18271_init_regs(fe);
if ((rf_cal_on_startup) && (priv->id == TDA18271HDC2)) if ((tda18271_need_cal_on_startup(cfg)) &&
(priv->id == TDA18271HDC2))
tda18271c2_rf_cal_init(fe); tda18271c2_rf_cal_init(fe);
mutex_unlock(&priv->lock); mutex_unlock(&priv->lock);
@ -1313,19 +1303,8 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
priv->output_opt = cfg->output_opt; priv->output_opt = cfg->output_opt;
if (cfg->std_map) if (cfg->std_map)
tda18271_update_std_map(fe, cfg->std_map); tda18271_update_std_map(fe, cfg->std_map);
/* tda18271_cal_on_startup == -1 when cal
* module option is unset */
if (tda18271_cal_on_startup == -1) {
/* honor attach-time configuration */
rf_cal_on_startup =
(cfg->rf_cal_on_startup) ? 1 : 0;
} else {
/* module option overrides attach config */
rf_cal_on_startup = tda18271_cal_on_startup;
}
} }
if (rf_cal_on_startup) if (tda18271_need_cal_on_startup(cfg))
tda18271_init(fe); tda18271_init(fe);
break; break;
} }