V4L/DVB (13882): gspca - stv06xx-vv6410: Ensure register STV_SCAN_RATE is zero
authorErik Andrén <erik.andren@gmail.com>
Sat, 26 Dec 2009 21:57:21 +0000 (18:57 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 17 Jan 2010 13:31:36 +0000 (11:31 -0200)
The Quickcam Web camera would not produce an image if you removed and inserted the module multiple times without physically power cycling the camera first.
By writing zero to bridge register STV_SCAN_RATE (0x1443) the camera works as intended, regardless of the number of module insertions.

Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h

index 487d405..96c6192 100644 (file)
@@ -228,6 +228,7 @@ static const struct stv_init stv_bridge_init[] = {
        /* This reg is written twice. Some kind of reset? */
        {NULL,  0x1620, 0x80},
        {NULL,  0x1620, 0x00},
+       {NULL,  0x1443, 0x00},
        {NULL,  0x1423, 0x04},
        {x1500, 0x1500, ARRAY_SIZE(x1500)},
        {x1536, 0x1536, ARRAY_SIZE(x1536)},