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V4L/DVB (12446): sms1xxx: restore GPIO functionality for all Hauppauge devices 

Previous changesets broke Hauppauge devices and their GPIO configurations.

This changeset restores the LED & LNA functionality.

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Michael Krufky 2009-07-12 23:30:14 -03:00 committed by Mauro Carvalho Chehab
parent adda766193
commit 3746b61780
1 changed files with 44 additions and 0 deletions
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44
drivers/media/dvb/siano/smsdvb.c
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@ -325,6 +325,16 @@ static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
0 : -ETIME;
}
static inline int led_feedback(struct smsdvb_client_t *client)
{
if (client->fe_status & FE_HAS_LOCK)
return sms_board_led_feedback(client->coredev,
(client->sms_stat_dvb.ReceptionData.BER
== 0) ? SMS_LED_HI : SMS_LED_LO);
else
return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
}
static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
{
struct smsdvb_client_t *client;
@ -332,6 +342,8 @@ static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
*stat = client->fe_status;
led_feedback(client);
return 0;
}
@ -342,6 +354,8 @@ static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
*ber = client->sms_stat_dvb.ReceptionData.BER;
led_feedback(client);
return 0;
}
@ -359,6 +373,8 @@ static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
(client->sms_stat_dvb.ReceptionData.InBandPwr
+ 95) * 3 / 2;
led_feedback(client);
return 0;
}
@ -369,6 +385,8 @@ static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
*snr = client->sms_stat_dvb.ReceptionData.SNR;
led_feedback(client);
return 0;
}
@ -379,6 +397,8 @@ static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
*ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
led_feedback(client);
return 0;
}
@ -404,6 +424,8 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
u32 Data[3];
} Msg;
int ret;
client->fe_status = FE_HAS_SIGNAL;
client->event_fe_state = -1;
client->event_unc_state = -1;
@ -426,6 +448,23 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
case BANDWIDTH_AUTO: return -EOPNOTSUPP;
default: return -EINVAL;
}
/* Disable LNA, if any. An error is returned if no LNA is present */
ret = sms_board_lna_control(client->coredev, 0);
if (ret == 0) {
fe_status_t status;
/* tune with LNA off at first */
ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
&client->tune_done);
smsdvb_read_status(fe, &status);
if (status & FE_HAS_LOCK)
return ret;
/* previous tune didnt lock - enable LNA and tune again */
sms_board_lna_control(client->coredev, 1);
}
return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
&client->tune_done);
@ -451,6 +490,8 @@ static int smsdvb_init(struct dvb_frontend *fe)
struct smsdvb_client_t *client =
container_of(fe, struct smsdvb_client_t, frontend);
sms_board_power(client->coredev, 1);
sms_board_dvb3_event(client, DVB3_EVENT_INIT);
return 0;
}
@ -460,6 +501,9 @@ static int smsdvb_sleep(struct dvb_frontend *fe)
struct smsdvb_client_t *client =
container_of(fe, struct smsdvb_client_t, frontend);
sms_board_led_feedback(client->coredev, SMS_LED_OFF);
sms_board_power(client->coredev, 0);
sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
return 0;