From b203244d2a4a0bc0ec26fde6c54a91c8525aae42 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 3 May 2008 14:20:21 -0400 Subject: tda18271: fix error handling in init and sleep paths From: Michael Krufky Signed-off-by: Michael Krufky --- .../drivers/media/common/tuners/tda18271-common.c | 7 ++-- linux/drivers/media/common/tuners/tda18271-fe.c | 38 ++++++++++++++-------- 2 files changed, 27 insertions(+), 18 deletions(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-common.c b/linux/drivers/media/common/tuners/tda18271-common.c index 43c0bec83..e07f69b29 100644 --- a/linux/drivers/media/common/tuners/tda18271-common.c +++ b/linux/drivers/media/common/tuners/tda18271-common.c @@ -227,9 +227,8 @@ int tda18271_charge_pump_source(struct dvb_frontend *fe, regs[r_cp] &= ~0x20; regs[r_cp] |= ((force & 1) << 5); - tda18271_write_regs(fe, r_cp, 1); - return 0; + return tda18271_write_regs(fe, r_cp, 1); } int tda18271_init_regs(struct dvb_frontend *fe) @@ -562,9 +561,7 @@ int tda18271_set_standby_mode(struct dvb_frontend *fe, sm_lt ? (1 << 6) : 0 | sm_xt ? (1 << 5) : 0; - tda18271_write_regs(fe, R_EP3, 1); - - return 0; + return tda18271_write_regs(fe, R_EP3, 1); } /*---------------------------------------------------------------------*/ diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index 355c37a42..7b1fe6614 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -720,45 +720,56 @@ static int tda18271_ir_cal_init(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; + int ret; - tda18271_read_regs(fe); + ret = tda18271_read_regs(fe); + if (ret < 0) + goto fail; /* test IR_CAL_OK to see if we need init */ if ((regs[R_EP1] & 0x08) == 0) - tda18271_init_regs(fe); - - return 0; + ret = tda18271_init_regs(fe); +fail: + return ret; } static int tda18271_init(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; + int ret; mutex_lock(&priv->lock); /* power up */ - tda18271_set_standby_mode(fe, 0, 0, 0); + ret = tda18271_set_standby_mode(fe, 0, 0, 0); + if (ret < 0) + goto fail; /* initialization */ - tda18271_ir_cal_init(fe); + ret = tda18271_ir_cal_init(fe); + if (ret < 0) + goto fail; if (priv->id == TDA18271HDC2) tda18271c2_rf_cal_init(fe); - +fail: mutex_unlock(&priv->lock); - return 0; + return ret; } static int tda18271_tune(struct dvb_frontend *fe, struct tda18271_std_map_item *map, u32 freq, u32 bw) { struct tda18271_priv *priv = fe->tuner_priv; + int ret; tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", freq, map->if_freq, bw, map->agc_mode, map->std); - tda18271_init(fe); + ret = tda18271_init(fe); + if (ret < 0) + goto fail; mutex_lock(&priv->lock); @@ -773,8 +784,8 @@ static int tda18271_tune(struct dvb_frontend *fe, tda18271_channel_configuration(fe, map, freq, bw); mutex_unlock(&priv->lock); - - return 0; +fail: + return ret; } /* ------------------------------------------------------------------ */ @@ -906,16 +917,17 @@ fail: static int tda18271_sleep(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; + int ret; mutex_lock(&priv->lock); /* standby mode w/ slave tuner output * & loop thru & xtal oscillator on */ - tda18271_set_standby_mode(fe, 1, 0, 0); + ret = tda18271_set_standby_mode(fe, 1, 0, 0); mutex_unlock(&priv->lock); - return 0; + return ret; } static int tda18271_release(struct dvb_frontend *fe) -- cgit v1.2.3 From a609e1bc62ca00624fc93702dc635e3c29c9ba02 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 3 May 2008 15:28:00 -0400 Subject: tda18271: fix error handling in tda18271c2_rf_cal_init path From: Michael Krufky fix error handling in tda18271c2_rf_cal_init immediate path Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-fe.c | 68 +++++++++++++++++-------- 1 file changed, 47 insertions(+), 21 deletions(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index 7b1fe6614..b876465c9 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -260,26 +260,33 @@ static int tda18271_por(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; + int ret; /* power up detector 1 */ regs[R_EB12] &= ~0x20; - tda18271_write_regs(fe, R_EB12, 1); + ret = tda18271_write_regs(fe, R_EB12, 1); + if (ret < 0) + goto fail; regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ - tda18271_write_regs(fe, R_EB18, 1); + ret = tda18271_write_regs(fe, R_EB18, 1); + if (ret < 0) + goto fail; regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ /* POR mode */ - tda18271_set_standby_mode(fe, 1, 0, 0); + ret = tda18271_set_standby_mode(fe, 1, 0, 0); + if (ret < 0) + goto fail; /* disable 1.5 MHz low pass filter */ regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ - tda18271_write_regs(fe, R_EB21, 3); - - return 0; + ret = tda18271_write_regs(fe, R_EB21, 3); +fail: + return ret; } static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) @@ -390,7 +397,7 @@ static int tda18271_powerscan(struct dvb_frontend *fe, { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; - int sgn, bcal, count, wait; + int sgn, bcal, count, wait, ret; u8 cid_target; u16 count_limit; u32 freq; @@ -422,7 +429,9 @@ static int tda18271_powerscan(struct dvb_frontend *fe, tda18271_write_regs(fe, R_EP2, 1); /* read power detection info, stored in EB10 */ - tda18271_read_extended(fe); + ret = tda18271_read_extended(fe); + if (ret < 0) + return ret; /* algorithm initialization */ sgn = 1; @@ -448,7 +457,9 @@ static int tda18271_powerscan(struct dvb_frontend *fe, tda18271_write_regs(fe, R_EP2, 1); /* read power detection info, stored in EB10 */ - tda18271_read_extended(fe); + ret = tda18271_read_extended(fe); + if (ret < 0) + return ret; count += 200; @@ -479,6 +490,7 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; + int ret; /* set standard to digital */ regs[R_EP3] &= ~0x1f; /* clear std bits */ @@ -490,10 +502,14 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe) /* update IF output level & IF notch frequency */ regs[R_EP4] &= ~0x1c; /* clear if level bits */ - tda18271_write_regs(fe, R_EP3, 2); + ret = tda18271_write_regs(fe, R_EP3, 2); + if (ret < 0) + goto fail; regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ - tda18271_write_regs(fe, R_EB18, 1); + ret = tda18271_write_regs(fe, R_EB18, 1); + if (ret < 0) + goto fail; regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ @@ -501,9 +517,9 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe) regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ - tda18271_write_regs(fe, R_EB21, 3); - - return 0; + ret = tda18271_write_regs(fe, R_EB21, 3); +fail: + return ret; } static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) @@ -536,6 +552,8 @@ 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) + return bcal; tda18271_calc_rf_cal(fe, &rf_freq[rf]); prog_tab[rf] = regs[R_EB14]; @@ -576,13 +594,16 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; unsigned int i; + int ret; tda_info("tda18271: performing RF tracking filter calibration\n"); /* wait for die temperature stabilization */ msleep(200); - tda18271_powerscan_init(fe); + ret = tda18271_powerscan_init(fe); + if (ret < 0) + goto fail; /* rf band calibration */ for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) @@ -590,8 +611,8 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) priv->rf_cal_state[i].rfmax); priv->tm_rfcal = tda18271_read_thermometer(fe); - - return 0; +fail: + return ret; } /* ------------------------------------------------------------------ */ @@ -600,6 +621,7 @@ static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; + int ret; /* test RF_CAL_OK to see if we need init */ if ((regs[R_EP1] & 0x10) == 0) @@ -608,15 +630,19 @@ static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) if (priv->cal_initialized) return 0; - tda18271_calc_rf_filter_curve(fe); + ret = tda18271_calc_rf_filter_curve(fe); + if (ret < 0) + goto fail; - tda18271_por(fe); + ret = tda18271_por(fe); + if (ret < 0) + goto fail; tda_info("tda18271: RF tracking filter calibration complete\n"); priv->cal_initialized = true; - - return 0; +fail: + return ret; } static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, -- cgit v1.2.3 From 795210ef84f3116328c8e10766f9aa019a9842b3 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 13:54:23 -0400 Subject: tda18271: abort rf band calibration loop on errors From: Michael Krufky Abort rf band calibration loop for the TDA18271HD/C2 if an error is detected. Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-fe.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index b876465c9..41a7798e0 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -606,9 +606,13 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) goto fail; /* rf band calibration */ - for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) + for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { + ret = tda18271_rf_tracking_filters_init(fe, 1000 * priv->rf_cal_state[i].rfmax); + if (ret < 0) + goto fail; + } priv->tm_rfcal = tda18271_read_thermometer(fe); fail: @@ -641,7 +645,10 @@ static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) tda_info("tda18271: RF tracking filter calibration complete\n"); priv->cal_initialized = true; + goto end; fail: + tda_info("tda18271: RF tracking filter calibration failed!\n"); +end: return ret; } -- cgit v1.2.3 From d54a5aeffd20a5eb9c73e2aebe19c86499e0c6c7 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 14:18:48 -0400 Subject: tda18271: make tda18271_set_standby_mode less verbose for basic debug From: Michael Krufky Only show debug from tda18271_set_standby_mode if DBG_ADV is set. Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-common.c b/linux/drivers/media/common/tuners/tda18271-common.c index e07f69b29..28575e4c5 100644 --- a/linux/drivers/media/common/tuners/tda18271-common.c +++ b/linux/drivers/media/common/tuners/tda18271-common.c @@ -554,7 +554,8 @@ int tda18271_set_standby_mode(struct dvb_frontend *fe, struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; - tda_dbg("sm = %d, sm_lt = %d, sm_xt = %d\n", sm, sm_lt, sm_xt); + if (tda18271_debug & DBG_ADV) + tda_dbg("sm = %d, sm_lt = %d, sm_xt = %d\n", sm, sm_lt, sm_xt); regs[R_EP3] &= ~0xe0; /* clear sm, sm_lt, sm_xt */ regs[R_EP3] |= sm ? (1 << 7) : 0 | -- cgit v1.2.3 From 57729e354e389335c094defa1dc9978780438d74 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 15:37:27 -0400 Subject: tda18271: fix error handling in tda18271_channel_configuration From: Michael Krufky Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-fe.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index 41a7798e0..15e2deb3f 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -52,6 +52,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; + int ret; u32 N; /* update TV broadcast parameters */ @@ -86,7 +87,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, /* update rf top / if top */ regs[R_EB22] = 0x00; regs[R_EB22] |= map->rfagc_top; - tda18271_write_regs(fe, R_EB22, 1); + ret = tda18271_write_regs(fe, R_EB22, 1); + if (ret < 0) + goto fail; /* --------------------------------------------------------------- */ @@ -122,7 +125,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, /* agc1 has priority on agc2 */ regs[R_EB1] &= ~0x01; - tda18271_write_regs(fe, R_EB1, 1); + ret = tda18271_write_regs(fe, R_EB1, 1); + if (ret < 0) + goto fail; /* --------------------------------------------------------------- */ @@ -142,7 +147,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, break; } - tda18271_write_regs(fe, R_TM, 7); + ret = tda18271_write_regs(fe, R_TM, 7); + if (ret < 0) + goto fail; /* force charge pump source */ charge_pump_source(fe, 1); @@ -159,9 +166,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, regs[R_EP3] &= ~0x04; else regs[R_EP3] |= 0x04; - tda18271_write_regs(fe, R_EP3, 1); - - return 0; + ret = tda18271_write_regs(fe, R_EP3, 1); +fail: + return ret; } static int tda18271_read_thermometer(struct dvb_frontend *fe) @@ -814,7 +821,7 @@ static int tda18271_tune(struct dvb_frontend *fe, tda18271c2_rf_tracking_filters_correction(fe, freq); break; } - tda18271_channel_configuration(fe, map, freq, bw); + ret = tda18271_channel_configuration(fe, map, freq, bw); mutex_unlock(&priv->lock); fail: -- cgit v1.2.3 From 2ba71a7d6966f5c647046c556d9bb6cb3145b5fd Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 15:57:06 -0400 Subject: tda18271: fix error handling in tda18271c2_rf_tracking_filters_correction From: Michael Krufky Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-fe.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index 15e2deb3f..e4fbbaa72 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -221,11 +221,13 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, struct tda18271_priv *priv = fe->tuner_priv; struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; unsigned char *regs = priv->tda18271_regs; - int tm_current, rfcal_comp, approx, i; + int tm_current, rfcal_comp, approx, i, ret; u8 dc_over_dt, rf_tab; /* power up */ - tda18271_set_standby_mode(fe, 0, 0, 0); + ret = tda18271_set_standby_mode(fe, 0, 0, 0); + if (ret < 0) + goto fail; /* read die current temperature */ tm_current = tda18271_read_thermometer(fe); @@ -258,9 +260,9 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal); regs[R_EB14] = approx + rfcal_comp; - tda18271_write_regs(fe, R_EB14, 1); - - return 0; + ret = tda18271_write_regs(fe, R_EB14, 1); +fail: + return ret; } static int tda18271_por(struct dvb_frontend *fe) -- cgit v1.2.3 From 71b667bfafcc16721f19d2546ff8b03b7fe20c5b Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 16:26:47 -0400 Subject: tda18271: fix error handling in tda18271c1_rf_tracking_filter_calibration From: Michael Krufky Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-fe.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index e4fbbaa72..d963ce4b6 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -666,6 +666,7 @@ static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; + int ret; u32 N = 0; /* calculate bp filter */ @@ -714,7 +715,10 @@ static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, tda18271_calc_main_pll(fe, N); - tda18271_write_regs(fe, R_EP3, 11); + ret = tda18271_write_regs(fe, R_EP3, 11); + if (ret < 0) + return ret; + msleep(5); /* RF tracking filter calibration initialization */ /* search for K,M,CO for RF calibration */ -- cgit v1.2.3 From 974a77dd9750f19d791952fc153425a2241836b7 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 17:32:21 -0400 Subject: tda18271: add tda_fail macro to log error cases From: Michael Krufky Signed-off-by: Michael Krufky --- .../drivers/media/common/tuners/tda18271-common.c | 14 +++--- linux/drivers/media/common/tuners/tda18271-fe.c | 56 +++++++++++----------- linux/drivers/media/common/tuners/tda18271-priv.h | 9 ++++ 3 files changed, 44 insertions(+), 35 deletions(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/common/tuners/tda18271-common.c b/linux/drivers/media/common/tuners/tda18271-common.c index 28575e4c5..5bdab8181 100644 --- a/linux/drivers/media/common/tuners/tda18271-common.c +++ b/linux/drivers/media/common/tuners/tda18271-common.c @@ -576,7 +576,7 @@ 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); @@ -608,7 +608,7 @@ 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; @@ -632,7 +632,7 @@ 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 */ @@ -649,7 +649,7 @@ 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 */ @@ -666,7 +666,7 @@ 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 */ @@ -683,7 +683,7 @@ 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 */ @@ -700,7 +700,7 @@ 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/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index d963ce4b6..f9e2957bb 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -88,7 +88,7 @@ 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; /* --------------------------------------------------------------- */ @@ -126,7 +126,7 @@ 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; /* --------------------------------------------------------------- */ @@ -148,7 +148,7 @@ 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 */ @@ -226,7 +226,7 @@ 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 */ @@ -238,8 +238,8 @@ 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 * @@ -274,20 +274,20 @@ 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 */ @@ -439,7 +439,7 @@ 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 */ @@ -467,7 +467,7 @@ 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; @@ -512,12 +512,12 @@ 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 */ @@ -547,7 +547,7 @@ 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; @@ -561,7 +561,7 @@ 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]); @@ -611,7 +611,7 @@ 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 */ @@ -619,7 +619,7 @@ 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; } @@ -644,11 +644,11 @@ 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"); @@ -716,7 +716,7 @@ 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 */ @@ -769,7 +769,7 @@ 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 */ @@ -788,12 +788,12 @@ 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) @@ -814,7 +814,7 @@ 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); @@ -895,7 +895,7 @@ 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; @@ -951,7 +951,7 @@ 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; @@ -1154,10 +1154,10 @@ 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/linux/drivers/media/common/tuners/tda18271-priv.h b/linux/drivers/media/common/tuners/tda18271-priv.h index 8ceeca081..2ed61a31f 100644 --- a/linux/drivers/media/common/tuners/tda18271-priv.h +++ b/linux/drivers/media/common/tuners/tda18271-priv.h @@ -162,6 +162,15 @@ 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 { -- cgit v1.2.3