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-rw-r--r--drivers/media/usb/gspca/Kconfig1
-rw-r--r--drivers/media/usb/gspca/ov534.c11
-rw-r--r--drivers/media/usb/gspca/topro.c4
3 files changed, 7 insertions, 9 deletions
diff --git a/drivers/media/usb/gspca/Kconfig b/drivers/media/usb/gspca/Kconfig
index 60af3b167f3b..3fd94fe7e1eb 100644
--- a/drivers/media/usb/gspca/Kconfig
+++ b/drivers/media/usb/gspca/Kconfig
@@ -1,6 +1,7 @@
menuconfig USB_GSPCA
tristate "GSPCA based webcams"
depends on VIDEO_V4L2
+ depends on INPUT || INPUT=n
default m
---help---
Say Y here if you want to enable selecting webcams based
diff --git a/drivers/media/usb/gspca/ov534.c b/drivers/media/usb/gspca/ov534.c
index a9c866d6d82d..146071b8e116 100644
--- a/drivers/media/usb/gspca/ov534.c
+++ b/drivers/media/usb/gspca/ov534.c
@@ -816,21 +816,16 @@ static void sethue(struct gspca_dev *gspca_dev, s32 val)
s16 huesin;
s16 huecos;
- /* fixp_sin and fixp_cos accept only positive values, while
- * our val is between -90 and 90
- */
- val += 360;
-
/* According to the datasheet the registers expect HUESIN and
* HUECOS to be the result of the trigonometric functions,
* scaled by 0x80.
*
- * The 0x100 here represents the maximun absolute value
+ * The 0x7fff here represents the maximum absolute value
* returned byt fixp_sin and fixp_cos, so the scaling will
* consider the result like in the interval [-1.0, 1.0].
*/
- huesin = fixp_sin(val) * 0x80 / 0x100;
- huecos = fixp_cos(val) * 0x80 / 0x100;
+ huesin = fixp_sin16(val) * 0x80 / 0x7fff;
+ huecos = fixp_cos16(val) * 0x80 / 0x7fff;
if (huesin < 0) {
sccb_reg_write(gspca_dev, 0xab,
diff --git a/drivers/media/usb/gspca/topro.c b/drivers/media/usb/gspca/topro.c
index 5fcd1eec2004..c70ff406b07a 100644
--- a/drivers/media/usb/gspca/topro.c
+++ b/drivers/media/usb/gspca/topro.c
@@ -969,7 +969,9 @@ static void jpeg_set_qual(u8 *jpeg_hdr,
{
int i, sc;
- if (quality < 50)
+ if (quality <= 0)
+ sc = 5000;
+ else if (quality < 50)
sc = 5000 / quality;
else
sc = 200 - quality * 2;