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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-21 06:12:35 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-21 06:12:35 -0300
commit676ee36be04985062522804c2de04f0764212be6 (patch)
tree781df135c5a91a04decad1b7d53b5a925dc11522 /drivers/media/usb/gspca
parentb18042a673e88c9457a6d1716219c2367ca447b0 (diff)
parente183201b9e917daf2530b637b2f34f1d5afb934d (diff)
Merge branch 'patchwork' into v4l_for_linus
* patchwork: (404 commits) [media] uvcvideo: add support for VIDIOC_QUERY_EXT_CTRL [media] uvcvideo: fix cropcap v4l2-compliance failure [media] media: omap3isp: remove unused clkdev [media] coda: Add tracing support [media] coda: drop dma_sync_single_for_device in coda_bitstream_queue [media] coda: fix fill bitstream errors in nonstreaming case [media] coda: call SEQ_END when the first queue is stopped [media] coda: fail to start streaming if userspace set invalid formats [media] coda: remove duplicate error messages for buffer allocations [media] coda: move parameter buffer in together with context buffer allocation [media] coda: allocate bitstream buffer from REQBUFS, size depends on the format [media] coda: allocate per-context buffers from REQBUFS [media] coda: use strlcpy instead of snprintf [media] coda: bitstream payload is unsigned [media] coda: fix double call to debugfs_remove [media] coda: check kasprintf return value in coda_open [media] coda: bitrate can only be set in kbps steps [media] v4l2-mem2mem: no need to initialize b in v4l2_m2m_next_buf and v4l2_m2m_buf_remove [media] s5p-mfc: set allow_zero_bytesused flag for vb2_queue_init [media] coda: set allow_zero_bytesused flag for vb2_queue_init ...
Diffstat (limited to 'drivers/media/usb/gspca')
-rw-r--r--drivers/media/usb/gspca/ov534.c11
-rw-r--r--drivers/media/usb/gspca/topro.c4
2 files changed, 6 insertions, 9 deletions
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;