V4L/DVB (12235): em28xx: detects sensors also with the generic em2750/2750 entry
authorMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 12 Jul 2009 13:56:21 +0000 (10:56 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Fri, 24 Jul 2009 17:03:23 +0000 (14:03 -0300)
Webcams in general don't have eeprom. So, the sensor hint code should be
called to properly detect what sensor is inside.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Documentation/video4linux/CARDLIST.em28xx
drivers/media/video/em28xx/em28xx-cards.c

index 014d255..68c236c 100644 (file)
@@ -20,7 +20,7 @@
  19 -> EM2860/SAA711X Reference Design          (em2860)
  20 -> AMD ATI TV Wonder HD 600                 (em2880)        [0438:b002]
  21 -> eMPIA Technology, Inc. GrabBeeX+ Video Encoder (em2800)        [eb1a:2801]
- 22 -> Unknown EM2750/EM2751 webcam grabber     (em2750)        [eb1a:2750,eb1a:2751]
+ 22 -> EM2710/EM2750/EM2751 webcam grabber      (em2750)        [eb1a:2750,eb1a:2751]
  23 -> Huaqi DLCW-130                           (em2750)
  24 -> D-Link DUB-T210 TV Tuner                 (em2820/em2840) [2001:f112]
  25 -> Gadmei UTV310                            (em2820/em2840)
index 9e71f03..e64e124 100644 (file)
@@ -205,7 +205,7 @@ static struct em28xx_reg_seq silvercrest_reg_seq[] = {
  */
 struct em28xx_board em28xx_boards[] = {
        [EM2750_BOARD_UNKNOWN] = {
-               .name          = "Unknown EM2750/EM2751 webcam grabber",
+               .name          = "EM2710/EM2750/EM2751 webcam grabber",
                .xclk          = EM28XX_XCLK_FREQUENCY_48MHZ,
                .tuner_type    = TUNER_ABSENT,
                .is_webcam     = 1,
@@ -1720,7 +1720,8 @@ static int em28xx_hint_sensor(struct em28xx *dev)
        __be16 version_be;
        u16 version;
 
-       if (dev->model != EM2820_BOARD_UNKNOWN)
+       if (dev->model != EM2820_BOARD_UNKNOWN &&
+           dev->model != EM2750_BOARD_UNKNOWN)
                return 0;
 
        dev->i2c_client.addr = 0xba >> 1;
@@ -1738,11 +1739,11 @@ static int em28xx_hint_sensor(struct em28xx *dev)
                sensor_name = "mt9v011";
                break;
        default:
-               printk("Unknown Sensor 0x%04x\n", be16_to_cpu(version));
+               printk("Unknown Micron Sensor 0x%04x\n", be16_to_cpu(version));
                return -EINVAL;
        }
 
-       em28xx_errdev("Sensor is %s, assuming that webcam is %s\n",
+       em28xx_errdev("Sensor is %s, using model %s entry.\n",
                      sensor_name, em28xx_boards[dev->model].name);
 
        return 0;