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path: root/drivers/media/video/gspca/w996Xcf.c
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Diffstat (limited to 'drivers/media/video/gspca/w996Xcf.c')
-rw-r--r--drivers/media/video/gspca/w996Xcf.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/media/video/gspca/w996Xcf.c b/drivers/media/video/gspca/w996Xcf.c
index 27d2cef0692a..9e3a909e0a00 100644
--- a/drivers/media/video/gspca/w996Xcf.c
+++ b/drivers/media/video/gspca/w996Xcf.c
@@ -404,9 +404,14 @@ static void w9968cf_set_crop_window(struct sd *sd)
}
if (sd->sensor == SEN_OV7620) {
- /* Sigh, this is dependend on the clock / framerate changes
- made by the frequency control, sick. */
- if (sd->ctrls[FREQ].val == 1) {
+ /*
+ * Sigh, this is dependend on the clock / framerate changes
+ * made by the frequency control, sick.
+ *
+ * Note we cannot use v4l2_ctrl_g_ctrl here, as we get called
+ * from ov519.c:setfreq() with the ctrl lock held!
+ */
+ if (sd->freq->val == 1) {
start_cropx = 277;
start_cropy = 37;
} else {
@@ -474,8 +479,9 @@ static void w9968cf_mode_init_regs(struct sd *sd)
/* We may get called multiple times (usb isoc bw negotiat.) */
jpeg_define(sd->jpeg_hdr, sd->gspca_dev.height,
sd->gspca_dev.width, 0x22); /* JPEG 420 */
- jpeg_set_qual(sd->jpeg_hdr, sd->quality);
+ jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));
w9968cf_upload_quantizationtables(sd);
+ v4l2_ctrl_grab(sd->jpegqual, true);
}
/* Video Capture Control Register */
@@ -514,6 +520,7 @@ static void w9968cf_mode_init_regs(struct sd *sd)
static void w9968cf_stop0(struct sd *sd)
{
+ v4l2_ctrl_grab(sd->jpegqual, false);
reg_w(sd, 0x39, 0x0000); /* disable JPEG encoder */
reg_w(sd, 0x16, 0x0000); /* stop video capture */
}