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: (452 commits)
  V4L/DVB (7731): tuner-xc2028: fix signal strength calculus
  V4L/DVB (7730): tuner-xc2028: Fix SCODE load for MTS firmwares
  V4L/DVB (7729): Fix VIDIOCGAP corruption in ivtv
  V4L/DVB (7728): tea5761: bugzilla #10462: tea5761 autodetection code were broken
  V4L/DVB (7726): cx23885: Enable cx23417 support on the HVR1800
  V4L/DVB (7725): cx23885: Add generic cx23417 hardware encoder support
  V4L/DVB (7723): pvrusb2: Clean up input selection list generation in V4L interface
  V4L/DVB (7722): pvrusb2: Implement FM radio support for Gotview USB2.0 DVD 2
  V4L/DVB (7721): pvrusb2: Restructure cx23416 firmware loading to have a common exit point
  V4L/DVB (7720): pvrusb2: Fix bad error code on cx23416 firmware load failure
  V4L/DVB (7719): pvrusb2: Implement input selection enforcement
  V4L/DVB (7718): pvrusb2-dvb: update Kbuild selections
  V4L/DVB (7717): pvrusb2-dvb: add DVB-T support for Hauppauge pvrusb2 model 73xxx
  V4L/DVB (7716): pvrusb2: clean up global functions
  V4L/DVB (7715): pvrusb2: Clean out all use of __FUNCTION__
  V4L/DVB (7714): pvrusb2: Fix hang on module removal
  V4L/DVB (7713): pvrusb2: Implement cleaner DVB kernel thread shutdown
  V4L/DVB (7712): pvrusb2: Close connect/disconnect race
  V4L/DVB (7711): pvrusb2: Fix race on module unload
  V4L/DVB (7710): pvrusb2: Implement critical digital streaming quirk for onair devices
  ...

1 files changed, 18 insertions, 7 deletions

diff --git a/drivers/media/dvb/frontends/tda826x.c b/drivers/media/dvb/frontends/tda826x.c
index bd3ebc28483..a051554b5e2 100644
--- a/drivers/media/dvb/frontends/tda826x.c
+++ b/drivers/media/dvb/frontends/tda826x.c
@@ -26,7 +26,7 @@
 
 #include "tda826x.h"
 
-static int debug = 0;
+static int debug;
 #define dprintk(args...) \
 	do { \
 		if (debug) printk(KERN_DEBUG "tda826x: " args); \
@@ -54,7 +54,7 @@ static int tda826x_sleep(struct dvb_frontend *fe)
 	u8 buf [] = { 0x00, 0x8d };
 	struct i2c_msg msg = { .addr = priv->i2c_address, .flags = 0, .buf = buf, .len = 2 };
 
-	dprintk("%s:\n", __FUNCTION__);
+	dprintk("%s:\n", __func__);
 
 	if (!priv->has_loopthrough)
 		buf[1] = 0xad;
@@ -62,7 +62,7 @@ static int tda826x_sleep(struct dvb_frontend *fe)
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 1);
 	if ((ret = i2c_transfer (priv->i2c, &msg, 1)) != 1) {
-		dprintk("%s: i2c error\n", __FUNCTION__);
+		dprintk("%s: i2c error\n", __func__);
 	}
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 0);
@@ -75,13 +75,24 @@ static int tda826x_set_params(struct dvb_frontend *fe, struct dvb_frontend_param
 	struct tda826x_priv *priv = fe->tuner_priv;
 	int ret;
 	u32 div;
+	u32 ksyms;
+	u32 bandwidth;
 	u8 buf [11];
 	struct i2c_msg msg = { .addr = priv->i2c_address, .flags = 0, .buf = buf, .len = 11 };
 
-	dprintk("%s:\n", __FUNCTION__);
+	dprintk("%s:\n", __func__);
 
 	div = (params->frequency + (1000-1)) / 1000;
 
+	/* BW = ((1 + RO) * SR/2 + 5) * 1.3      [SR in MSPS, BW in MHz] */
+	/* with R0 = 0.35 and some transformations: */
+	ksyms = params->u.qpsk.symbol_rate / 1000;
+	bandwidth = (878 * ksyms + 6500000) / 1000000 + 1;
+	if (bandwidth < 5)
+		bandwidth = 5;
+	else if (bandwidth > 36)
+		bandwidth = 36;
+
 	buf[0] = 0x00; // subaddress
 	buf[1] = 0x09; // powerdown RSSI + the magic value 1
 	if (!priv->has_loopthrough)
@@ -89,7 +100,7 @@ static int tda826x_set_params(struct dvb_frontend *fe, struct dvb_frontend_param
 	buf[2] = (1<<5) | 0x0b; // 1Mhz + 0.45 VCO
 	buf[3] = div >> 7;
 	buf[4] = div << 1;
-	buf[5] = 0x77; // baseband cut-off 19 MHz
+	buf[5] = ((bandwidth - 5) << 3) | 7; /* baseband cut-off */
 	buf[6] = 0xfe; // baseband gain 9 db + no RF attenuation
 	buf[7] = 0x83; // charge pumps at high, tests off
 	buf[8] = 0x80; // recommended value 4 for AMPVCO + disable ports.
@@ -99,7 +110,7 @@ static int tda826x_set_params(struct dvb_frontend *fe, struct dvb_frontend_param
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 1);
 	if ((ret = i2c_transfer (priv->i2c, &msg, 1)) != 1) {
-		dprintk("%s: i2c error\n", __FUNCTION__);
+		dprintk("%s: i2c error\n", __func__);
 	}
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 0);
@@ -138,7 +149,7 @@ struct dvb_frontend *tda826x_attach(struct dvb_frontend *fe, int addr, struct i2
 	};
 	int ret;
 
-	dprintk("%s:\n", __FUNCTION__);
+	dprintk("%s:\n", __func__);
 
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 1);