V4L/DVB (7844): tda18271: add tda_fail macro to log error cases

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

3 files changed, 44 insertions, 35 deletions

diff --git a/drivers/media/common/tuners/tda18271-common.c b/drivers/media/common/tuners/tda18271-common.c
index d6938fc2c4c6..42b5f5d4bfe6 100644
--- a/drivers/media/common/tuners/tda18271-common.c
+++ b/drivers/media/common/tuners/tda18271-common.c
@@ -508,7 +508,7 @@ int tda18271_calc_main_pll(struct dvb_frontend *fe, u32 freq)
         u32 div;
 
         int ret = tda18271_lookup_pll_map(fe, MAIN_PLL, &freq, &pd, &d);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_MPD]   = (0x77 & pd);
@@ -540,7 +540,7 @@ int tda18271_calc_cal_pll(struct dvb_frontend *fe, u32 freq)
         u32 div;
 
         int ret = tda18271_lookup_pll_map(fe, CAL_PLL, &freq, &pd, &d);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_CPD]   = pd;
@@ -564,7 +564,7 @@ int tda18271_calc_bp_filter(struct dvb_frontend *fe, u32 *freq)
         u8 val;
 
         int ret = tda18271_lookup_map(fe, BP_FILTER, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EP1]  &= ~0x07; /* clear bp filter bits */
@@ -581,7 +581,7 @@ int tda18271_calc_km(struct dvb_frontend *fe, u32 *freq)
         u8 val;
 
         int ret = tda18271_lookup_map(fe, RF_CAL_KMCO, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EB13] &= ~0x7c; /* clear k & m bits */
@@ -598,7 +598,7 @@ int tda18271_calc_rf_band(struct dvb_frontend *fe, u32 *freq)
         u8 val;
 
         int ret = tda18271_lookup_map(fe, RF_BAND, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EP2]  &= ~0xe0; /* clear rf band bits */
@@ -615,7 +615,7 @@ int tda18271_calc_gain_taper(struct dvb_frontend *fe, u32 *freq)
         u8 val;
 
         int ret = tda18271_lookup_map(fe, GAIN_TAPER, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EP2]  &= ~0x1f; /* clear gain taper bits */
@@ -632,7 +632,7 @@ int tda18271_calc_ir_measure(struct dvb_frontend *fe, u32 *freq)
         u8 val;
 
         int ret = tda18271_lookup_map(fe, IR_MEASURE, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EP5] &= ~0x07;
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index 13d651c987a3..89c01fb1f859 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -87,7 +87,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
         regs[R_EB22]  = 0x00;
         regs[R_EB22] |= map->rfagc_top;
         ret = tda18271_write_regs(fe, R_EB22, 1);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* --------------------------------------------------------------- */
@@ -125,7 +125,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
         regs[R_EB1]  &= ~0x01;
 
         ret = tda18271_write_regs(fe, R_EB1, 1);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* --------------------------------------------------------------- */
@@ -147,7 +147,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
         }
 
         ret = tda18271_write_regs(fe, R_TM, 7);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* force charge pump source */
@@ -225,7 +225,7 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
 
         /* power up */
         ret = tda18271_set_standby_mode(fe, 0, 0, 0);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* read die current temperature */
@@ -237,8 +237,8 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
         rf_tab = regs[R_EB14];
 
         i = tda18271_lookup_rf_band(fe, &freq, NULL);
-        if (i < 0)
-                return -EINVAL;
+        if (tda_fail(i))
+                return i;
 
         if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) {
                 approx = map[i].rf_a1 *
@@ -273,20 +273,20 @@ static int tda18271_por(struct dvb_frontend *fe)
         /* power up detector 1 */
         regs[R_EB12] &= ~0x20;
         ret = tda18271_write_regs(fe, R_EB12, 1);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EB18] &= ~0x80; /* turn agc1 loop on */
         regs[R_EB18] &= ~0x03; /* set agc1_gain to  6 dB */
         ret = tda18271_write_regs(fe, R_EB18, 1);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */
 
         /* POR mode */
         ret = tda18271_set_standby_mode(fe, 1, 0, 0);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* disable 1.5 MHz low pass filter */
@@ -438,7 +438,7 @@ static int tda18271_powerscan(struct dvb_frontend *fe,
 
         /* read power detection info, stored in EB10 */
         ret = tda18271_read_extended(fe);
-        if (ret < 0)
+        if (tda_fail(ret))
                 return ret;
 
         /* algorithm initialization */
@@ -466,7 +466,7 @@ static int tda18271_powerscan(struct dvb_frontend *fe,
 
                 /* read power detection info, stored in EB10 */
                 ret = tda18271_read_extended(fe);
-                if (ret < 0)
+                if (tda_fail(ret))
                         return ret;
 
                 count += 200;
@@ -511,12 +511,12 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe)
         regs[R_EP4]  &= ~0x1c; /* clear if level bits */
 
         ret = tda18271_write_regs(fe, R_EP3, 2);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EB18] &= ~0x03; /* set agc1_gain to   6 dB */
         ret = tda18271_write_regs(fe, R_EB18, 1);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */
@@ -546,7 +546,7 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
 
         i = tda18271_lookup_rf_band(fe, &freq, NULL);
 
-        if (i < 0)
+        if (tda_fail(i))
                 return i;
 
         rf_default[RF1] = 1000 * map[i].rf1_def;
@@ -560,7 +560,7 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
 
                 /* look for optimized calibration frequency */
                 bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]);
-                if (bcal < 0)
+                if (tda_fail(bcal))
                         return bcal;
 
                 tda18271_calc_rf_cal(fe, &rf_freq[rf]);
@@ -610,7 +610,7 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
         msleep(200);
 
         ret = tda18271_powerscan_init(fe);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* rf band calibration */
@@ -618,7 +618,7 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
                 ret =
                 tda18271_rf_tracking_filters_init(fe, 1000 *
                                                   priv->rf_cal_state[i].rfmax);
-                if (ret < 0)
+                if (tda_fail(ret))
                         goto fail;
         }
 
@@ -643,11 +643,11 @@ static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)
                 return 0;
 
         ret = tda18271_calc_rf_filter_curve(fe);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         ret = tda18271_por(fe);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         tda_info("tda18271: RF tracking filter calibration complete\n");
@@ -715,7 +715,7 @@ static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
         tda18271_calc_main_pll(fe, N);
 
         ret = tda18271_write_regs(fe, R_EP3, 11);
-        if (ret < 0)
+        if (tda_fail(ret))
                 return ret;
 
         msleep(5); /* RF tracking filter calibration initialization */
@@ -768,7 +768,7 @@ static int tda18271_ir_cal_init(struct dvb_frontend *fe)
         int ret;
 
         ret = tda18271_read_regs(fe);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* test IR_CAL_OK to see if we need init */
@@ -787,12 +787,12 @@ static int tda18271_init(struct dvb_frontend *fe)
 
         /* power up */
         ret = tda18271_set_standby_mode(fe, 0, 0, 0);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         /* initialization */
         ret = tda18271_ir_cal_init(fe);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         if (priv->id == TDA18271HDC2)
@@ -813,7 +813,7 @@ static int tda18271_tune(struct dvb_frontend *fe,
                 freq, map->if_freq, bw, map->agc_mode, map->std);
 
         ret = tda18271_init(fe);
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         mutex_lock(&priv->lock);
@@ -894,7 +894,7 @@ static int tda18271_set_params(struct dvb_frontend *fe,
 
         ret = tda18271_tune(fe, map, freq, bw);
 
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         priv->frequency = freq;
@@ -950,7 +950,7 @@ static int tda18271_set_analog_params(struct dvb_frontend *fe,
 
         ret = tda18271_tune(fe, map, freq, 0);
 
-        if (ret < 0)
+        if (tda_fail(ret))
                 goto fail;
 
         priv->frequency = freq;
@@ -1153,10 +1153,10 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
                 if (cfg)
                         priv->small_i2c = cfg->small_i2c;
 
-                if (tda18271_get_id(fe) < 0)
+                if (tda_fail(tda18271_get_id(fe)))
                         goto fail;
 
-                if (tda18271_assign_map_layout(fe) < 0)
+                if (tda_fail(tda18271_assign_map_layout(fe)))
                         goto fail;
 
                 mutex_lock(&priv->lock);
diff --git a/drivers/media/common/tuners/tda18271-priv.h b/drivers/media/common/tuners/tda18271-priv.h
index 2bc5eb368ea2..81a739365f8c 100644
--- a/drivers/media/common/tuners/tda18271-priv.h
+++ b/drivers/media/common/tuners/tda18271-priv.h
@@ -153,6 +153,15 @@ extern int tda18271_debug;
 #define tda_reg(fmt, arg...)  dprintk(KERN_DEBUG, DBG_REG,  fmt, ##arg)
 #define tda_cal(fmt, arg...)  dprintk(KERN_DEBUG, DBG_CAL,  fmt, ##arg)
 
+#define tda_fail(ret)                                                        \
+({                                                                           \
+        int __ret;                                                           \
+        __ret = (ret < 0);                                                   \
+        if (__ret)                                                           \
+                tda_printk(KERN_ERR, "error %d on line %d\n", ret, __LINE__);\
+        __ret;                                                               \
+})
+
 /*---------------------------------------------------------------------*/
 
 enum tda18271_map_type {