V4L/DVB (11449): gspca - zc3xx: Bad probe of many webcams since adcm2700 addition.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 4fe01d8..c4684b9 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -6868,7 +6868,6 @@
{0x8001, 0x13},
{0x8000, 0x14}, /* CS2102K */
{0x8400, 0x15}, /* TAS5130K */
- {0x4001, 0x16}, /* ADCM2700 */
};
static int vga_3wr_probe(struct gspca_dev *gspca_dev)
@@ -6904,12 +6903,15 @@
retword |= reg_r(gspca_dev, 0x000a);
PDEBUG(D_PROBE, "probe 3wr vga 1 0x%04x", retword);
reg_r(gspca_dev, 0x0010);
- /* this is tested only once anyway */
- for (i = 0; i < ARRAY_SIZE(chipset_revision_sensor); i++) {
- if (chipset_revision_sensor[i].revision == retword) {
- sd->chip_revision = retword;
- send_unknown(dev, SENSOR_PB0330);
- return chipset_revision_sensor[i].internal_sensor_id;
+ /* value 0x4001 is meaningless */
+ if (retword != 0x4001) {
+ for (i = 0; i < ARRAY_SIZE(chipset_revision_sensor); i++) {
+ if (chipset_revision_sensor[i].revision == retword) {
+ sd->chip_revision = retword;
+ send_unknown(dev, SENSOR_PB0330);
+ return chipset_revision_sensor[i]
+ .internal_sensor_id;
+ }
}
}
@@ -6980,12 +6982,12 @@
reg_w(dev, 0x01, 0x0001);
reg_w(dev, 0x03, 0x0012);
reg_w(dev, 0x01, 0x0012);
- reg_w(dev, 0x05, 0x0001);
+ reg_w(dev, 0x05, 0x0012);
reg_w(dev, 0xd3, 0x008b);
retword = i2c_read(gspca_dev, 0x01);
if (retword != 0) {
PDEBUG(D_PROBE, "probe 3wr vga type 0a ? ret: %04x", retword);
- return retword;
+ return 0x16; /* adcm2700 (6100/6200) */
}
return -1;
}