[media] mxl111sf: add mxl111sf_tuner_get_if_frequency

Reported-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 55 insertions, 1 deletions

diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c b/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c
index a6341058c4e7..3bfc6d8368a8 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,
 };