V4L/DVB (7341): ivtv: rename tunerhz to tunertype

There are two tuner types: those for M/N standards and those for all others.
However, M/N standards are not always 60 Hz (PAL-N/Nc are 50 Hz), so rename
the module option accordingly.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/ivtv/ivtv-driver.c

@@ -132,7 +132,7 @@ static int ivtv_pci_latency = 1;
 
 int ivtv_debug;
 
-static int tunerhz;
+static int tunertype = -1;
 static int newi2c = -1;
 
 module_param_array(tuner, int, &tuner_c, 0644);
@@ -155,7 +155,7 @@ module_param(dec_mpg_buffers, int, 0644);
 module_param(dec_yuv_buffers, int, 0644);
 module_param(dec_vbi_buffers, int, 0644);
 
-module_param(tunerhz, int, 0644);
+module_param(tunertype, int, 0644);
 module_param(newi2c, int, 0644);
 
 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
@@ -195,11 +195,11 @@ MODULE_PARM_DESC(cardtype,
 MODULE_PARM_DESC(pal, "Set PAL standard: BGH, DK, I, M, N, Nc, 60");
 MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
-MODULE_PARM_DESC(tunerhz,
+MODULE_PARM_DESC(tunertype,
 		"Specify tuner type:\n"
-		"\t\t\t50 = 50 Hz tuner (PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc)\n"
-		"\t\t\t60 = 60 Hz tuner (NTSC-M/J/K, PAL-M/N/Nc/60)\n"
-		"\t\t\t 0 = Autodetect (default)\n");
+		"\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
+		"\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
+		"\t\t\t-1 = Autodetect (default)\n");
 MODULE_PARM_DESC(debug,
 		 "Debug level (bitmask). Default: 0\n"
 		 "\t\t\t   1/0x0001: warning\n"
@@ -497,7 +497,7 @@ static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
 {
 	switch (pal[0]) {
 		case '6':
-			tunerhz = 60;
+			tunertype = 0;
 			return V4L2_STD_PAL_60;
 		case 'b':
 		case 'B':
@@ -505,27 +505,27 @@ static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
 		case 'G':
 		case 'h':
 		case 'H':
-			tunerhz = 50;
+			tunertype = 0;
 			return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
 		case 'n':
 		case 'N':
-			tunerhz = 50;
+			tunertype = 1;
 			if (pal[1] == 'c' || pal[1] == 'C')
 				return V4L2_STD_PAL_Nc;
 			return V4L2_STD_PAL_N;
 		case 'i':
 		case 'I':
-			tunerhz = 50;
+			tunertype = 0;
 			return V4L2_STD_PAL_I;
 		case 'd':
 		case 'D':
 		case 'k':
 		case 'K':
-			tunerhz = 50;
+			tunertype = 0;
 			return V4L2_STD_PAL_DK;
 		case 'M':
 		case 'm':
-			tunerhz = 60;
+			tunertype = 1;
 			return V4L2_STD_PAL_M;
 		case '-':
 			break;
@@ -541,17 +541,17 @@ static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
 		case 'G':
 		case 'h':
 		case 'H':
-			tunerhz = 50;
+			tunertype = 0;
 			return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
 		case 'd':
 		case 'D':
 		case 'k':
 		case 'K':
-			tunerhz = 50;
+			tunertype = 0;
 			return V4L2_STD_SECAM_DK;
 		case 'l':
 		case 'L':
-			tunerhz = 50;
+			tunertype = 0;
 			if (secam[1] == 'C' || secam[1] == 'c')
 				return V4L2_STD_SECAM_LC;
 			return V4L2_STD_SECAM_L;
@@ -565,15 +565,15 @@ static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
 	switch (ntsc[0]) {
 		case 'm':
 		case 'M':
-			tunerhz = 60;
+			tunertype = 1;
 			return V4L2_STD_NTSC_M;
 		case 'j':
 		case 'J':
-			tunerhz = 60;
+			tunertype = 1;
 			return V4L2_STD_NTSC_M_JP;
 		case 'k':
 		case 'K':
-			tunerhz = 60;
+			tunertype = 1;
 			return V4L2_STD_NTSC_M_KR;
 		case '-':
 			break;
@@ -602,13 +602,13 @@ static void ivtv_process_options(struct ivtv *itv)
 	itv->options.tuner = tuner[itv->num];
 	itv->options.radio = radio[itv->num];
 	itv->options.newi2c = newi2c;
-	if (tunerhz != 0 && tunerhz != 50 && tunerhz != 60) {
-		IVTV_WARN("Invalid tunerhz argument, will autodetect instead\n");
-		tunerhz = 0;
+	if (tunertype < -1 || tunertype > 1) {
+		IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
+		tunertype = -1;
 	}
 	itv->std = ivtv_parse_std(itv);
-	if (itv->std == 0 && tunerhz)
-		itv->std = (tunerhz == 60) ? V4L2_STD_525_60 : V4L2_STD_625_50;
+	if (itv->std == 0 && tunertype >= 0)
+		itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
 	itv->has_cx23415 = (itv->dev->device == PCI_DEVICE_ID_IVTV15);
 	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
 	if (itv->options.cardtype == -1) {