V4L/DVB (12449): adds webcam for Micron device MT9M111 0x143A to em28xx

[mchehab@redhat.com: fix merge conflict and a few CodingStyle issues]
Signed-off-by: Steve Gotthardt <gotthardt@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 39 insertions, 2 deletions

diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index ed281f565945..494560e82311 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1730,6 +1730,25 @@ static inline void em28xx_set_model(struct em28xx *dev)
                                        EM28XX_I2C_FREQ_100_KHZ;
 }
 
+
+/* FIXME: Should be replaced by a proper mt9m111 driver */
+static int em28xx_initialize_mt9m111(struct em28xx *dev)
+{
+        int i;
+        unsigned char regs[][3] = {
+                { 0x0d, 0x00, 0x01, },  /* reset and use defaults */
+                { 0x0d, 0x00, 0x00, },
+                { 0x0a, 0x00, 0x21, },
+                { 0x21, 0x04, 0x00, },  /* full readout speed, no row/col skipping */
+        };
+
+        for (i = 0; i < ARRAY_SIZE(regs); i++)
+                i2c_master_send(&dev->i2c_client, &regs[i][0], 3);
+
+        return 0;
+}
+
+
 /* FIXME: Should be replaced by a proper mt9m001 driver */
 static int em28xx_initialize_mt9m001(struct em28xx *dev)
 {
@@ -1758,7 +1777,7 @@ static int em28xx_initialize_mt9m001(struct em28xx *dev)
 
 /* HINT method: webcam I2C chips
  *
- * This method work for webcams with Micron sensors
+ * This method works for webcams with Micron sensors
  */
 static int em28xx_hint_sensor(struct em28xx *dev)
 {
@@ -1804,6 +1823,23 @@ static int em28xx_hint_sensor(struct em28xx *dev)
                 dev->vinctl = 0x00;
 
                 break;
+
+        case 0x143a:    /* MT9M111 as found in the ECS G200 */
+                dev->model = EM2750_BOARD_UNKNOWN;
+                em28xx_set_model(dev);
+
+                sensor_name = "mt9m111";
+                dev->board.xclk = EM28XX_XCLK_FREQUENCY_48MHZ;
+                dev->em28xx_sensor = EM28XX_MT9M111;
+                em28xx_initialize_mt9m111(dev);
+                dev->sensor_xres = 640;
+                dev->sensor_yres = 512;
+
+                dev->vinmode = 0x0a;
+                dev->vinctl = 0x00;
+
+                break;
+
         case 0x8431:
                 dev->model = EM2750_BOARD_UNKNOWN;
                 em28xx_set_model(dev);
@@ -1820,7 +1856,7 @@ static int em28xx_hint_sensor(struct em28xx *dev)
 
                 break;
         default:
-                printk("Unknown Micron Sensor 0x%04x\n", be16_to_cpu(version));
+                printk("Unknown Micron Sensor 0x%04x\n", version);
                 return -EINVAL;
         }
 
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 8c2dc38bca9f..a2add61f7d59 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -367,6 +367,7 @@ enum em28xx_sensor {
         EM28XX_NOSENSOR = 0,
         EM28XX_MT9V011,
         EM28XX_MT9M001,
+        EM28XX_MT9M111,
 };
 
 enum em28xx_adecoder {