From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Tue, 14 Jul 2009 15:33:25 +0000 (-0300)
Subject: V4L/DVB (12244): em28xx: adjust vinmode/vinctl based on the stream input format
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=579d315218e8a3f696e375c5f6917da6488bec8a;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

V4L/DVB (12244): em28xx: adjust vinmode/vinctl based on the stream input format

Depending on the video input format, vinmode/vinctl needs adjustments.
For TV, this is not relevant, since the supported decoders output data
at the same format. However, webcam sensors may have different formats,
so, this needs to be adjusted based on the device.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 82536dd6b0fd..e793aee16726 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1735,6 +1735,11 @@ static int em28xx_hint_sensor(struct em28xx *dev)
 		dev->sensor_xres = 640;
 		dev->sensor_yres = 480;
 		dev->sensor_xtal = 6300000;
+
+		/* probably means GRGB 16 bit bayer */
+		dev->vinmode = 0x0d;
+		dev->vinctl = 0x00;
+
 		break;
 	default:
 		printk("Unknown Micron Sensor 0x%04x\n", be16_to_cpu(version));
@@ -2415,6 +2420,12 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 	}
 
 	/*
+	 * Default format, used for tvp5150 or saa711x output formats
+	 */
+	dev->vinmode = 0x10;
+	dev->vinctl  = 0x11;
+
+	/*
 	 * If the device can be a webcam, seek for a sensor.
 	 * If sensor is not found, then it isn't a webcam.
 	 */
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index c7fcce713945..5b78e199abd1 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -648,28 +648,17 @@ int em28xx_capture_start(struct em28xx *dev, int start)
 int em28xx_set_outfmt(struct em28xx *dev)
 {
 	int ret;
-	int vinmode, vinctl, outfmt;
-
-	outfmt  = dev->format->reg;
-
-	if (dev->board.is_webcam) {
-		vinmode = 0x0d;
-		vinctl  = 0x00;
-	} else {
-		vinmode = 0x10;
-		vinctl  = 0x11;
-	}
 
 	ret = em28xx_write_reg_bits(dev, EM28XX_R27_OUTFMT,
-				outfmt | 0x20, 0xff);
+				dev->format->reg | 0x20, 0xff);
 	if (ret < 0)
 			return ret;
 
-	ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, vinmode);
+	ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, dev->vinmode);
 	if (ret < 0)
 		return ret;
 
-	return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctl);
+	return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, dev->vinctl);
 }
 
 static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax,
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index ce76633786c8..766ab59b8d59 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -483,6 +483,9 @@ struct em28xx {
 	int sensor_xres, sensor_yres;
 	int sensor_xtal;
 
+	/* Vinmode/Vinctl used at the driver */
+	int vinmode, vinctl;
+
 	unsigned int stream_on:1;	/* Locks streams */
 	unsigned int has_audio_class:1;
 	unsigned int has_alsa_audio:1;