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authorHans de Goede <hdegoede@redhat.com>2009-09-02 09:55:16 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-12 12:20:00 -0300
commit780287061b844aa44833b3e7d1a6b760e7aff2f6 (patch)
treed36fe48e2edc1524ca2864ef55ea32ae381722f8 /drivers/media
parent1e3c1f7695a446742e24ea1f0c80715be98edbc4 (diff)
V4L/DVB (12626): gspca_mr97310a: Allow overriding of detected sensor type
gspca_mr97310a: Allow overriding of detected sensor type Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/gspca/mr97310a.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c
index 8190a1d4dc8..169cdb65c14 100644
--- a/drivers/media/video/gspca/mr97310a.c
+++ b/drivers/media/video/gspca/mr97310a.c
@@ -57,6 +57,11 @@ MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>,"
MODULE_DESCRIPTION("GSPCA/Mars-Semi MR97310A USB Camera Driver");
MODULE_LICENSE("GPL");
+/* global parameters */
+int force_sensor_type = -1;
+module_param(force_sensor_type, int, 0644);
+MODULE_PARM_DESC(force_sensor_type, "Force sensor type (-1 (auto), 0 or 1)");
+
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
@@ -401,6 +406,12 @@ static int sd_config(struct gspca_dev *gspca_dev,
PDEBUG(D_PROBE, "MR97310A CIF camera detected, sensor: %d",
sd->sensor_type);
+ if (force_sensor_type != -1) {
+ sd->sensor_type = !! force_sensor_type;
+ PDEBUG(D_PROBE, "Forcing sensor type to: %d",
+ sd->sensor_type);
+ }
+
if (sd->sensor_type == 0)
gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX);
} else {
@@ -606,6 +617,12 @@ static int start_vga_cam(struct gspca_dev *gspca_dev)
msleep(200);
}
+ if (force_sensor_type != -1) {
+ sd->sensor_type = !! force_sensor_type;
+ PDEBUG(D_PROBE, "Forcing sensor type to: %d",
+ sd->sensor_type);
+ }
+
/*
* Known VGA cameras.
* This test is only run if the previous test returned 0x30, but