Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (70 commits)
  V4L/DVB (7900): pvrusb: Fix Kconfig if DVB=m V4L_core=y
  V4L/DVB (7899): Fixes a few remaining Kbuild issues at common/tuners
  V4L/DVB (7898): Fix VIDEO_MEDIA Kconfig logic
  V4L/DVB (7895): tveeprom: update Hauppauge analog audio and video decoders
  V4L/DVB (7893): xc5000: bug-fix: allow multiple devices in a single system
  V4L/DVB (7891): cx18/ivtv: fix open() kernel oops
  V4L/DVB (7890): cx18: removed bogus and confusing conditional
  V4L/DVB (7889): cx18: improve HVR-1600 detection.
  V4L/DVB (7888): cx18: minor card definition updates.
  V4L/DVB (7887): cx18: fix Compro H900 analog support.
  V4L/DVB (7881): saa7134: fixed a compile warning in saa7134-core.c
  V4L/DVB (7880): saa7134: remove explicit GPIO initialization
  V4L/DVB(7879): Adding cx18 Support for mxl5005s
  V4L/DVB(7878): mxl55005s: Makefile and Kconfig additions
  V4L/DVB(7877): mxl5005s: Ensure debug is off
  V4L/DVB(7876): mxl5005s: Remove incorrect copyright holders
  V4L/DVB(7875): mxl5005s: Remove redundant functions
  V4L/DVB(7874): mxl5005s: Fix function statics
  V4L/DVB(7873): mxl5005s: Fix header includes.
  V4L/DVB(7872): mxl5005s: checkpatch.pl compliance
  ...

drivers/media/Kconfig

@@ -89,8 +89,7 @@ config DVB_CORE
 
 config VIDEO_MEDIA
 	tristate
-	default DVB_CORE || VIDEO_DEV
-	depends on DVB_CORE || VIDEO_DEV
+	default (DVB_CORE && (VIDEO_DEV = n)) || (VIDEO_DEV && (DVB_CORE = n)) || (DVB_CORE && VIDEO_DEV)
 
 comment "Multimedia drivers"
 

drivers/media/common/tuners/Kconfig

@@ -1,6 +1,6 @@
 config MEDIA_ATTACH
 	bool "Load and attach frontend and tuner driver modules as needed"
-	depends on DVB_CORE
+	depends on VIDEO_MEDIA
 	depends on MODULES
 	help
 	  Remove the static dependency of DVB card drivers on all
@@ -19,10 +19,10 @@ config MEDIA_ATTACH
 
 config MEDIA_TUNER
 	tristate
-	default DVB_CORE || VIDEO_DEV
-	depends on DVB_CORE || VIDEO_DEV
-	select MEDIA_TUNER_XC2028 if !MEDIA_TUNER_CUSTOMIZE
-	select MEDIA_TUNER_XC5000 if !MEDIA_TUNER_CUSTOMIZE
+	default VIDEO_MEDIA && I2C
+	depends on VIDEO_MEDIA && I2C
+	select MEDIA_TUNER_XC2028 if !MEDIA_TUNER_CUSTOMIZE && HOTPLUG
+	select MEDIA_TUNER_XC5000 if !MEDIA_TUNER_CUSTOMIZE && HOTPLUG
 	select MEDIA_TUNER_MT20XX if !MEDIA_TUNER_CUSTOMIZE
 	select MEDIA_TUNER_TDA8290 if !MEDIA_TUNER_CUSTOMIZE
 	select MEDIA_TUNER_TEA5761 if !MEDIA_TUNER_CUSTOMIZE
@@ -46,7 +46,7 @@ if MEDIA_TUNER_CUSTOMIZE
 
 config MEDIA_TUNER_SIMPLE
 	tristate "Simple tuner support"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	select MEDIA_TUNER_TDA9887
 	default m if MEDIA_TUNER_CUSTOMIZE
 	help
@@ -54,7 +54,7 @@ config MEDIA_TUNER_SIMPLE
 
 config MEDIA_TUNER_TDA8290
 	tristate "TDA 8290/8295 + 8275(a)/18271 tuner combo"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	select MEDIA_TUNER_TDA827X
 	select MEDIA_TUNER_TDA18271
 	default m if MEDIA_TUNER_CUSTOMIZE
@@ -63,21 +63,21 @@ config MEDIA_TUNER_TDA8290
 
 config MEDIA_TUNER_TDA827X
 	tristate "Philips TDA827X silicon tuner"
-	depends on DVB_CORE && I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A DVB-T silicon tuner module. Say Y when you want to support this tuner.
 
 config MEDIA_TUNER_TDA18271
 	tristate "NXP TDA18271 silicon tuner"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A silicon tuner module. Say Y when you want to support this tuner.
 
 config MEDIA_TUNER_TDA9887
 	tristate "TDA 9885/6/7 analog IF demodulator"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if MEDIA_TUNER_CUSTOMIZE
 	help
 	  Say Y here to include support for Philips TDA9885/6/7
@@ -85,67 +85,79 @@ config MEDIA_TUNER_TDA9887
 
 config MEDIA_TUNER_TEA5761
 	tristate "TEA 5761 radio tuner (EXPERIMENTAL)"
-	depends on I2C && EXPERIMENTAL
+	depends on VIDEO_MEDIA && I2C
+	depends on EXPERIMENTAL
 	default m if MEDIA_TUNER_CUSTOMIZE
 	help
 	  Say Y here to include support for the Philips TEA5761 radio tuner.
 
 config MEDIA_TUNER_TEA5767
 	tristate "TEA 5767 radio tuner"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if MEDIA_TUNER_CUSTOMIZE
 	help
 	  Say Y here to include support for the Philips TEA5767 radio tuner.
 
 config MEDIA_TUNER_MT20XX
 	tristate "Microtune 2032 / 2050 tuners"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if MEDIA_TUNER_CUSTOMIZE
 	help
 	  Say Y here to include support for the MT2032 / MT2050 tuner.
 
 config MEDIA_TUNER_MT2060
 	tristate "Microtune MT2060 silicon IF tuner"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A driver for the silicon IF tuner MT2060 from Microtune.
 
 config MEDIA_TUNER_MT2266
 	tristate "Microtune MT2266 silicon tuner"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A driver for the silicon baseband tuner MT2266 from Microtune.
 
 config MEDIA_TUNER_MT2131
 	tristate "Microtune MT2131 silicon tuner"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A driver for the silicon baseband tuner MT2131 from Microtune.
 
 config MEDIA_TUNER_QT1010
 	tristate "Quantek QT1010 silicon tuner"
-	depends on DVB_CORE && I2C
+	depends on VIDEO_MEDIA && I2C
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A driver for the silicon tuner QT1010 from Quantek.
 
 config MEDIA_TUNER_XC2028
 	tristate "XCeive xc2028/xc3028 tuners"
-	depends on I2C && FW_LOADER
+	depends on VIDEO_MEDIA && I2C
+	depends on HOTPLUG
+	select FW_LOADER
 	default m if MEDIA_TUNER_CUSTOMIZE
 	help
 	  Say Y here to include support for the xc2028/xc3028 tuners.
 
 config MEDIA_TUNER_XC5000
 	tristate "Xceive XC5000 silicon tuner"
-	depends on I2C
+	depends on VIDEO_MEDIA && I2C
+	depends on HOTPLUG
+	select FW_LOADER
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A driver for the silicon tuner XC5000 from Xceive.
 	  This device is only used inside a SiP called togther with a
 	  demodulator for now.
 
+config MEDIA_TUNER_MXL5005S
+	tristate "MaxLinear MSL5005S silicon tuner"
+	depends on VIDEO_MEDIA && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A driver for the silicon tuner MXL5005S from MaxLinear.
+
 endif # MEDIA_TUNER_CUSTOMIZE

drivers/media/common/tuners/Makefile

@@ -20,6 +20,7 @@ obj-$(CONFIG_MEDIA_TUNER_MT2060) += mt2060.o
 obj-$(CONFIG_MEDIA_TUNER_MT2266) += mt2266.o
 obj-$(CONFIG_MEDIA_TUNER_QT1010) += qt1010.o
 obj-$(CONFIG_MEDIA_TUNER_MT2131) += mt2131.o
+obj-$(CONFIG_MEDIA_TUNER_MXL5005S) += mxl5005s.o
 
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
 EXTRA_CFLAGS += -Idrivers/media/dvb/frontends

drivers/media/common/tuners/mxl5005s.h

@@ -0,0 +1,131 @@
+/*
+    MaxLinear MXL5005S VSB/QAM/DVBT tuner driver
+
+    Copyright (C) 2008 MaxLinear
+    Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __MXL5005S_H
+#define __MXL5005S_H
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+struct mxl5005s_config {
+
+	/* 7 bit i2c address */
+	u8 i2c_address;
+
+#define IF_FREQ_4570000HZ    4570000
+#define IF_FREQ_4571429HZ    4571429
+#define IF_FREQ_5380000HZ    5380000
+#define IF_FREQ_36000000HZ  36000000
+#define IF_FREQ_36125000HZ  36125000
+#define IF_FREQ_36166667HZ  36166667
+#define IF_FREQ_44000000HZ  44000000
+	u32 if_freq;
+
+#define CRYSTAL_FREQ_4000000HZ    4000000
+#define CRYSTAL_FREQ_16000000HZ  16000000
+#define CRYSTAL_FREQ_25000000HZ  25000000
+#define CRYSTAL_FREQ_28800000HZ  28800000
+	u32 xtal_freq;
+
+#define MXL_DUAL_AGC   0
+#define MXL_SINGLE_AGC 1
+	u8 agc_mode;
+
+#define MXL_TF_DEFAULT	0
+#define MXL_TF_OFF	1
+#define MXL_TF_C	2
+#define MXL_TF_C_H	3
+#define MXL_TF_D	4
+#define MXL_TF_D_L	5
+#define MXL_TF_E	6
+#define MXL_TF_F	7
+#define MXL_TF_E_2	8
+#define MXL_TF_E_NA	9
+#define MXL_TF_G	10
+	u8 tracking_filter;
+
+#define MXL_RSSI_DISABLE	0
+#define MXL_RSSI_ENABLE		1
+	u8 rssi_enable;
+
+#define MXL_CAP_SEL_DISABLE	0
+#define MXL_CAP_SEL_ENABLE	1
+	u8 cap_select;
+
+#define MXL_DIV_OUT_1	0
+#define MXL_DIV_OUT_4	1
+	u8 div_out;
+
+#define MXL_CLOCK_OUT_DISABLE	0
+#define MXL_CLOCK_OUT_ENABLE	1
+	u8 clock_out;
+
+#define MXL5005S_IF_OUTPUT_LOAD_200_OHM 200
+#define MXL5005S_IF_OUTPUT_LOAD_300_OHM 300
+	u32 output_load;
+
+#define MXL5005S_TOP_5P5   55
+#define MXL5005S_TOP_7P2   72
+#define MXL5005S_TOP_9P2   92
+#define MXL5005S_TOP_11P0 110
+#define MXL5005S_TOP_12P9 129
+#define MXL5005S_TOP_14P7 147
+#define MXL5005S_TOP_16P8 168
+#define MXL5005S_TOP_19P4 194
+#define MXL5005S_TOP_21P2 212
+#define MXL5005S_TOP_23P2 232
+#define MXL5005S_TOP_25P2 252
+#define MXL5005S_TOP_27P1 271
+#define MXL5005S_TOP_29P2 292
+#define MXL5005S_TOP_31P7 317
+#define MXL5005S_TOP_34P9 349
+	u32 top;
+
+#define MXL_ANALOG_MODE  0
+#define MXL_DIGITAL_MODE 1
+	u8 mod_mode;
+
+#define MXL_ZERO_IF 0
+#define MXL_LOW_IF  1
+	u8 if_mode;
+
+	/* Stuff I don't know what to do with */
+	u8 AgcMasterByte;
+};
+
+#if defined(CONFIG_MEDIA_TUNER_MXL5005S) || \
+	(defined(CONFIG_MEDIA_TUNER_MXL5005S_MODULE) && defined(MODULE))
+extern struct dvb_frontend *mxl5005s_attach(struct dvb_frontend *fe,
+					    struct i2c_adapter *i2c,
+					    struct mxl5005s_config *config);
+#else
+static inline struct dvb_frontend *mxl5005s_attach(struct dvb_frontend *fe,
+					    struct i2c_adapter *i2c,
+					    struct mxl5005s_config *config)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_TUNER_MXL5005S */
+
+#endif /* __MXL5005S_H */
+

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)
@@ -487,16 +486,15 @@ 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 |
 			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);
 }
 
 /*---------------------------------------------------------------------*/
@@ -510,7 +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);
@@ -542,7 +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;
@@ -566,7 +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 */
@@ -583,7 +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 */
@@ -600,7 +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 */
@@ -617,7 +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 */
@@ -634,7 +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;

drivers/media/common/tuners/tda18271-fe.c

@@ -51,6 +51,7 @@ 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 */
@@ -85,7 +86,9 @@ 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 (tda_fail(ret))
+		goto fail;
 
 	/* --------------------------------------------------------------- */
 
@@ -121,7 +124,9 @@ 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 (tda_fail(ret))
+		goto fail;
 
 	/* --------------------------------------------------------------- */
 
@@ -141,7 +146,9 @@ 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 (tda_fail(ret))
+		goto fail;
 
 	/* force charge pump source */
 	charge_pump_source(fe, 1);
@@ -158,9 +165,9 @@ 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)
@@ -213,11 +220,13 @@ 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 (tda_fail(ret))
+		goto fail;
 
 	/* read die current temperature */
 	tm_current = tda18271_read_thermometer(fe);
@@ -228,8 +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 *
@@ -250,35 +259,42 @@ 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)
 {
 	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 (tda_fail(ret))
+		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 (tda_fail(ret))
+		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 (tda_fail(ret))
+		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)
@@ -389,7 +405,7 @@ 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;
@@ -421,7 +437,9 @@ 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 (tda_fail(ret))
+		return ret;
 
 	/* algorithm initialization */
 	sgn = 1;
@@ -447,7 +465,9 @@ 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 (tda_fail(ret))
+			return ret;
 
 		count += 200;
 
@@ -478,6 +498,7 @@ 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 */
@@ -489,10 +510,14 @@ 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 (tda_fail(ret))
+		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 (tda_fail(ret))
+		goto fail;
 
 	regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */
 
@@ -500,9 +525,9 @@ 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)
@@ -521,7 +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;
@@ -535,6 +560,8 @@ 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 (tda_fail(bcal))
+			return bcal;
 
 		tda18271_calc_rf_cal(fe, &rf_freq[rf]);
 		prog_tab[rf] = regs[R_EB14];
@@ -575,22 +602,29 @@ 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 (tda_fail(ret))
+		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 (tda_fail(ret))
+			goto fail;
+	}
 
 	priv->tm_rfcal = tda18271_read_thermometer(fe);
-
-	return 0;
+fail:
+	return ret;
 }
 
 /* ------------------------------------------------------------------ */
@@ -599,6 +633,7 @@ 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)
@@ -607,15 +642,22 @@ 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 (tda_fail(ret))
+		goto fail;
 
-	tda18271_por(fe);
+	ret = tda18271_por(fe);
+	if (tda_fail(ret))
+		goto fail;
 
 	tda_info("tda18271: RF tracking filter calibration complete\n");
 
 	priv->cal_initialized = true;
-
-	return 0;
+	goto end;
+fail:
+	tda_info("tda18271: RF tracking filter calibration failed!\n");
+end:
+	return ret;
 }
 
 static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
@@ -623,6 +665,7 @@ 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 */
@@ -671,7 +714,10 @@ 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 (tda_fail(ret))
+		return ret;
+
 	msleep(5); /* RF tracking filter calibration initialization */
 
 	/* search for K,M,CO for RF calibration */
@@ -719,45 +765,56 @@ 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 (tda_fail(ret))
+		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 (tda_fail(ret))
+		goto fail;
 
 	/* initialization */
-	tda18271_ir_cal_init(fe);
+	ret = tda18271_ir_cal_init(fe);
+	if (tda_fail(ret))
+		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 (tda_fail(ret))
+		goto fail;
 
 	mutex_lock(&priv->lock);
 
@@ -769,11 +826,11 @@ 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);
-
-	return 0;
+fail:
+	return ret;
 }
 
 /* ------------------------------------------------------------------ */
@@ -837,7 +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;
@@ -893,7 +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;
@@ -905,16 +962,17 @@ 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)
@@ -1095,10 +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);

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 {

drivers/media/common/tuners/tea5767.c

@@ -373,14 +373,14 @@ int tea5767_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr)
 
 	if ((rc = tuner_i2c_xfer_recv(&i2c, buffer, 7))< 5) {
 		printk(KERN_WARNING "It is not a TEA5767. Received %i bytes.\n", rc);
-		return EINVAL;
+		return -EINVAL;
 	}
 
 	/* If all bytes are the same then it's a TV tuner and not a tea5767 */
 	if (buffer[0] == buffer[1] && buffer[0] == buffer[2] &&
 	    buffer[0] == buffer[3] && buffer[0] == buffer[4]) {
 		printk(KERN_WARNING "All bytes are equal. It is not a TEA5767\n");
-		return EINVAL;
+		return -EINVAL;
 	}
 
 	/*  Status bytes:
@@ -390,7 +390,7 @@ int tea5767_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr)
 	 */
 	if (((buffer[3] & 0x0f) != 0x00) || (buffer[4] != 0x00)) {
 		printk(KERN_WARNING "Chip ID is not zero. It is not a TEA5767\n");
-		return EINVAL;
+		return -EINVAL;
 	}
 
 

drivers/media/common/tuners/xc5000.c

@@ -212,7 +212,7 @@ static void xc5000_TunerReset(struct dvb_frontend *fe)
 	dprintk(1, "%s()\n", __func__);
 
 	if (priv->cfg->tuner_callback) {
-		ret = priv->cfg->tuner_callback(priv->cfg->priv,
+		ret = priv->cfg->tuner_callback(priv->devptr,
 						XC5000_TUNER_RESET, 0);
 		if (ret)
 			printk(KERN_ERR "xc5000: reset failed\n");
@@ -900,9 +900,9 @@ static const struct dvb_tuner_ops xc5000_tuner_ops = {
 	.get_status	   = xc5000_get_status
 };
 
-struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe,
-	struct i2c_adapter *i2c,
-	struct xc5000_config *cfg)
+struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
+				   struct i2c_adapter *i2c,
+				   struct xc5000_config *cfg, void *devptr)
 {
 	struct xc5000_priv *priv = NULL;
 	u16 id = 0;
@@ -916,6 +916,7 @@ struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe,
 	priv->cfg = cfg;
 	priv->bandwidth = BANDWIDTH_6_MHZ;
 	priv->i2c = i2c;
+	priv->devptr = devptr;
 
 	/* Check if firmware has been loaded. It is possible that another
 	   instance of the driver has loaded the firmware.

drivers/media/common/tuners/xc5000.h

@@ -31,29 +31,31 @@ struct xc5000_config {
 	u8   i2c_address;
 	u32  if_khz;
 
-	/* For each bridge framework, when it attaches either analog or digital,
-	 * it has to store a reference back to its _core equivalent structure,
-	 * so that it can service the hardware by steering gpio's etc.
-	 * Each bridge implementation is different so cast priv accordingly.
-	 * The xc5000 driver cares not for this value, other than ensuring
-	 * it's passed back to a bridge during tuner_callback().
-	 */
-	void *priv;
 	int  (*tuner_callback) (void *priv, int command, int arg);
 };
 
 /* xc5000 callback command */
 #define XC5000_TUNER_RESET		0
 
+/* For each bridge framework, when it attaches either analog or digital,
+ * it has to store a reference back to its _core equivalent structure,
+ * so that it can service the hardware by steering gpio's etc.
+ * Each bridge implementation is different so cast devptr accordingly.
+ * The xc5000 driver cares not for this value, other than ensuring
+ * it's passed back to a bridge during tuner_callback().
+ */
+
 #if defined(CONFIG_MEDIA_TUNER_XC5000) || \
     (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE))
 extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
 					  struct i2c_adapter *i2c,
-					  struct xc5000_config *cfg);
+					  struct xc5000_config *cfg,
+					  void *devptr);
 #else
 static inline struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
 						 struct i2c_adapter *i2c,
-						 struct xc5000_config *cfg)
+						 struct xc5000_config *cfg,
+						 void *devptr)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;

drivers/media/common/tuners/xc5000_priv.h

@@ -31,6 +31,8 @@ struct xc5000_priv {
 	u8  video_standard;
 	u8  rf_mode;
 	u8  fwloaded;
+
+	void *devptr;
 };
 
 #endif

drivers/media/dvb/b2c2/flexcop-fe-tuner.c

@@ -634,7 +634,7 @@ int flexcop_frontend_init(struct flexcop_device *fc)
 	}
 
 	/* try the sky v2.3 (vp310/Samsung tbdu18132(tsa5059)) */
-	fc->fe = dvb_attach(vp310_mt312_attach,
+	fc->fe = dvb_attach(mt312_attach,
 		&skystar23_samsung_tbdu18132_config, i2c);
 	if (fc->fe != NULL) {
 		ops = &fc->fe->ops;

drivers/media/dvb/bt8xx/Kconfig

@@ -1,6 +1,7 @@
 config DVB_BT8XX
 	tristate "BT8xx based PCI cards"
 	depends on DVB_CORE && PCI && I2C && VIDEO_BT848
+	depends on HOTPLUG	# due to FW_LOADER
 	select DVB_MT352 if !DVB_FE_CUSTOMISE
 	select DVB_SP887X if !DVB_FE_CUSTOMISE
 	select DVB_NXT6000 if !DVB_FE_CUSTOMISE

drivers/media/dvb/cinergyT2/Kconfig

@@ -1,6 +1,6 @@
 config DVB_CINERGYT2
 	tristate "Terratec CinergyT2/qanu USB2 DVB-T receiver"
-	depends on DVB_CORE && USB
+	depends on DVB_CORE && USB && INPUT
 	help
 	  Support for "TerraTec CinergyT2" USB2.0 Highspeed DVB Receivers
 

drivers/media/dvb/dvb-core/dvb_ca_en50221.c

@@ -910,15 +910,21 @@ static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca)
 	int curdelay = 100000000;
 	int slot;
 
+	/* Beware of too high polling frequency, because one polling
+	 * call might take several hundred milliseconds until timeout!
+	 */
 	for (slot = 0; slot < ca->slot_count; slot++) {
 		switch (ca->slot_info[slot].slot_state) {
 		default:
 		case DVB_CA_SLOTSTATE_NONE:
+			delay = HZ * 60;  /* 60s */
+			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))
+				delay = HZ * 5;  /* 5s */
+			break;
 		case DVB_CA_SLOTSTATE_INVALID:
-			delay = HZ * 60;
-			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) {
-				delay = HZ / 10;
-			}
+			delay = HZ * 60;  /* 60s */
+			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))
+				delay = HZ / 10;  /* 100ms */
 			break;
 
 		case DVB_CA_SLOTSTATE_UNINITIALISED:
@@ -926,19 +932,17 @@ static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca)
 		case DVB_CA_SLOTSTATE_VALIDATE:
 		case DVB_CA_SLOTSTATE_WAITFR:
 		case DVB_CA_SLOTSTATE_LINKINIT:
-			delay = HZ / 10;
+			delay = HZ / 10;  /* 100ms */
 			break;
 
 		case DVB_CA_SLOTSTATE_RUNNING:
-			delay = HZ * 60;
-			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) {
-				delay = HZ / 10;
-			}
+			delay = HZ * 60;  /* 60s */
+			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))
+				delay = HZ / 10;  /* 100ms */
 			if (ca->open) {
 				if ((!ca->slot_info[slot].da_irq_supported) ||
-				    (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA))) {
-					delay = HZ / 10;
-				}
+				    (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA)))
+					delay = HZ / 10;  /* 100ms */
 			}
 			break;
 		}

drivers/media/dvb/dvb-usb/Kconfig

@@ -1,6 +1,7 @@
 config DVB_USB
 	tristate "Support for various USB DVB devices"
 	depends on DVB_CORE && USB && I2C
+	depends on HOTPLUG	# due to FW_LOADER
 	select FW_LOADER
 	help
 	  By enabling this you will be able to choose the various supported

drivers/media/dvb/frontends/Kconfig

@@ -30,7 +30,7 @@ config DVB_CX24123
 	  A DVB-S tuner module. Say Y when you want to support this frontend.
 
 config DVB_MT312
-	tristate "Zarlink VP310/MT312 based"
+	tristate "Zarlink VP310/MT312/ZL10313 based"
 	depends on DVB_CORE && I2C
 	default m if DVB_FE_CUSTOMISE
 	help
@@ -97,7 +97,7 @@ comment "DVB-T (terrestrial) frontends"
 
 config DVB_SP8870
 	tristate "Spase sp8870 based"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help
@@ -110,7 +110,7 @@ config DVB_SP8870
 
 config DVB_SP887X
 	tristate "Spase sp887x based"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help
@@ -144,7 +144,7 @@ config DVB_L64781
 
 config DVB_TDA1004X
 	tristate "Philips TDA10045H/TDA10046H based"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help
@@ -211,7 +211,7 @@ config DVB_DIB7000P
 
 config DVB_TDA10048
 	tristate "Philips TDA10048HN based"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help
@@ -253,7 +253,7 @@ comment "ATSC (North American/Korean Terrestrial/Cable DTV) frontends"
 
 config DVB_NXT200X
 	tristate "NxtWave Communications NXT2002/NXT2004 based"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help
@@ -268,7 +268,7 @@ config DVB_NXT200X
 
 config DVB_OR51211
 	tristate "Oren OR51211 based"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help
@@ -281,7 +281,7 @@ config DVB_OR51211
 
 config DVB_OR51132
 	tristate "Oren OR51132 based"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help
@@ -297,7 +297,7 @@ config DVB_OR51132
 
 config DVB_BCM3510
 	tristate "Broadcom BCM3510"
-	depends on DVB_CORE && I2C
+	depends on DVB_CORE && I2C && HOTPLUG
 	default m if DVB_FE_CUSTOMISE
 	select FW_LOADER
 	help

drivers/media/dvb/frontends/itd1000.c

@@ -195,7 +195,7 @@ static void itd1000_set_vco(struct itd1000_state *state, u32 freq_khz)
 	}
 }
 
-struct {
+static const struct {
 	u32 freq;
 	u8 values[10]; /* RFTR, RFST1 - RFST9 */
 } itd1000_fre_values[] = {

drivers/media/dvb/frontends/mt312.c

@@ -737,7 +737,7 @@ static void mt312_release(struct dvb_frontend *fe)
 }
 
 #define MT312_SYS_CLK		90000000UL	/* 90 MHz */
-static struct dvb_frontend_ops vp310_mt312_ops = {
+static struct dvb_frontend_ops mt312_ops = {
 
 	.info = {
 		.name = "Zarlink ???? DVB-S",
@@ -776,7 +776,7 @@ static struct dvb_frontend_ops vp310_mt312_ops = {
 	.set_voltage = mt312_set_voltage,
 };
 
-struct dvb_frontend *vp310_mt312_attach(const struct mt312_config *config,
+struct dvb_frontend *mt312_attach(const struct mt312_config *config,
 					struct i2c_adapter *i2c)
 {
 	struct mt312_state *state = NULL;
@@ -795,7 +795,7 @@ struct dvb_frontend *vp310_mt312_attach(const struct mt312_config *config,
 		goto error;
 
 	/* create dvb_frontend */
-	memcpy(&state->frontend.ops, &vp310_mt312_ops,
+	memcpy(&state->frontend.ops, &mt312_ops,
 		sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
 
@@ -827,12 +827,13 @@ error:
 	kfree(state);
 	return NULL;
 }
-EXPORT_SYMBOL(vp310_mt312_attach);
+EXPORT_SYMBOL(mt312_attach);
 
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
 
 MODULE_DESCRIPTION("Zarlink VP310/MT312/ZL10313 DVB-S Demodulator driver");
 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
+MODULE_AUTHOR("Matthias Schwarzott <zzam@gentoo.org>");
 MODULE_LICENSE("GPL");