V4L/DVB (12233): em28xx: rename is_27xx to is_webcam

Just renames the flag, to use a clearer name. Later patches will use
this flag to properly set some drivers behaviors for webcams.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/em28xx/em28xx-cards.c

@@ -450,7 +450,7 @@ struct em28xx_board em28xx_boards[] = {
 	[EM2820_BOARD_SILVERCREST_WEBCAM] = {
 		.name         = "Silvercrest Webcam 1.3mpix",
 		.tuner_type   = TUNER_ABSENT,
-		.is_27xx      = 1,
+		.is_webcam    = 1,
 		.decoder      = EM28XX_MT9V011,
 		.input        = { {
 			.type     = EM28XX_VMUX_COMPOSITE1,
@@ -1772,7 +1772,7 @@ void em28xx_pre_card_setup(struct em28xx *dev)
 			em28xx_info("chip ID is em2750\n");
 			break;
 		case CHIP_ID_EM2820:
-			if (dev->board.is_27xx)
+			if (dev->board.is_webcam)
 				em28xx_info("chip is em2710\n");
 			else
 				em28xx_info("chip ID is em2820\n");

drivers/media/video/em28xx/em28xx-core.c

@@ -652,7 +652,7 @@ int em28xx_set_outfmt(struct em28xx *dev)
 
 	outfmt  = dev->format->reg;
 
-	if (dev->board.is_27xx) {
+	if (dev->board.is_webcam) {
 		vinmode = 0x0d;
 		vinctl  = 0x00;
 	} else {
@@ -707,7 +707,7 @@ static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
 	u8 mode;
 	/* the em2800 scaler only supports scaling down to 50% */
 
-	if (dev->board.is_27xx) {
+	if (dev->board.is_webcam) {
 		/* FIXME: Don't use the scaler yet */
 		mode = 0;
 	} else if (dev->board.is_em2800) {

drivers/media/video/em28xx/em28xx-video.c

@@ -726,7 +726,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 		return -EINVAL;
 	}
 
-	if (dev->board.is_27xx) {
+	if (dev->board.is_webcam) {
 		/* FIXME: This is the only supported fmt */
 		width  = 640;
 		height = 480;
@@ -768,7 +768,7 @@ static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc,
 	struct em28xx_fmt     *fmt;
 
 	/* FIXME: This is the only supported fmt */
-	if (dev->board.is_27xx) {
+	if (dev->board.is_webcam) {
 		width  = 640;
 		height = 480;
 	}

drivers/media/video/em28xx/em28xx.h

@@ -390,7 +390,7 @@ struct em28xx_board {
 	unsigned int max_range_640_480:1;
 	unsigned int has_dvb:1;
 	unsigned int has_snapshot_button:1;
-	unsigned int is_27xx:1;
+	unsigned int is_webcam:1;
 	unsigned int valid:1;
 
 	unsigned char xclk, i2c_speed;