From f7901f9b4ae06d65537ff3db8605e657f6d4afce Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Thu, 3 Nov 2011 08:39:12 -0300 Subject: [PATCH] [media] mxl111sf: add mxl111sf_tuner_get_if_frequency Reported-by: Antti Palosaari Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/mxl111sf-tuner.c | 56 +++++++++++++++++++++- 1 file changed, 55 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c b/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c index a6341058c4e..3bfc6d8368a 100644 --- a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c +++ b/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c @@ -38,6 +38,8 @@ struct mxl111sf_tuner_state { struct mxl111sf_tuner_config *cfg; + enum mxl_if_freq if_freq; + u32 frequency; u32 bandwidth; }; @@ -186,7 +188,10 @@ static int mxl1x1sf_tuner_set_if_output_freq(struct mxl111sf_tuner_state *state) ctrl = iffcw & 0x00ff; #endif ret = mxl111sf_tuner_write_reg(state, V6_TUNER_IF_FCW_REG, ctrl); - mxl_fail(ret); + if (mxl_fail(ret)) + goto fail; + + state->if_freq = state->cfg->if_freq; fail: return ret; } @@ -407,6 +412,54 @@ static int mxl111sf_tuner_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) return 0; } +static int mxl111sf_tuner_get_if_frequency(struct dvb_frontend *fe, + u32 *frequency) +{ + struct mxl111sf_tuner_state *state = fe->tuner_priv; + + *frequency = 0; + + switch (state->if_freq) { + case MXL_IF_4_0: /* 4.0 MHz */ + *frequency = 4000000; + break; + case MXL_IF_4_5: /* 4.5 MHz */ + *frequency = 4500000; + break; + case MXL_IF_4_57: /* 4.57 MHz */ + *frequency = 4570000; + break; + case MXL_IF_5_0: /* 5.0 MHz */ + *frequency = 5000000; + break; + case MXL_IF_5_38: /* 5.38 MHz */ + *frequency = 5380000; + break; + case MXL_IF_6_0: /* 6.0 MHz */ + *frequency = 6000000; + break; + case MXL_IF_6_28: /* 6.28 MHz */ + *frequency = 6280000; + break; + case MXL_IF_7_2: /* 7.2 MHz */ + *frequency = 7200000; + break; + case MXL_IF_35_25: /* 35.25 MHz */ + *frequency = 35250000; + break; + case MXL_IF_36: /* 36 MHz */ + *frequency = 36000000; + break; + case MXL_IF_36_15: /* 36.15 MHz */ + *frequency = 36150000; + break; + case MXL_IF_44: /* 44 MHz */ + *frequency = 44000000; + break; + } + return 0; +} + static int mxl111sf_tuner_release(struct dvb_frontend *fe) { struct mxl111sf_tuner_state *state = fe->tuner_priv; @@ -436,6 +489,7 @@ static struct dvb_tuner_ops mxl111sf_tuner_tuner_ops = { .get_rf_strength = mxl111sf_get_rf_strength, .get_frequency = mxl111sf_tuner_get_frequency, .get_bandwidth = mxl111sf_tuner_get_bandwidth, + .get_if_frequency = mxl111sf_tuner_get_if_frequency, .release = mxl111sf_tuner_release, }; -- 2.41.0