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authorHans de Goede <hdegoede@redhat.com>2010-01-07 12:04:04 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-02-26 15:10:39 -0300
commitab269d300ef9fe7e2f60613d0ac160e12b84658e (patch)
tree9c26012bbf9294282d366e51da9d0ed01da6b88d
parent9336960d075839b41bef89a0c68899c4025e8289 (diff)
V4L/DVB (13994): gscpa_stv0680: Fix camera initialization on hotplug
stv0680 cameras currently only work when already plugged in when the system boots (or when manually re-loading the driver after boot). This patch fixes this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/gspca/stv0680.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/stv0680.c b/drivers/media/video/gspca/stv0680.c
index 856675e00e2d..7312bf43113b 100644
--- a/drivers/media/video/gspca/stv0680.c
+++ b/drivers/media/video/gspca/stv0680.c
@@ -138,6 +138,10 @@ static int sd_config(struct gspca_dev *gspca_dev,
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam = &gspca_dev->cam;
+ /* Give the camera some time to settle, otherwise initalization will
+ fail on hotplug, and yes it really needs a full second. */
+ msleep(1000);
+
/* ping camera to be sure STV0680 is present */
if (stv_sndctrl(gspca_dev, 0, 0x88, 0x5678, 0x02) != 0x02 ||
gspca_dev->usb_buf[0] != 0x56 || gspca_dev->usb_buf[1] != 0x78) {