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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-10-18 01:09:09 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-10-18 01:12:33 +0200 |
| commit | 0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch) | |
| tree | 94a8d419a470a4f9852ca397bb9bbe48db92ff5c /drivers/media/video/v4l1-compat.c | |
| parent | dca2d6ac09d9ef59ff46820d4f0c94b08a671202 (diff) | |
| parent | f39cdf25bf77219676ec5360980ac40b1a7e144a (diff) | |
Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts:
kernel/Makefile
kernel/trace/Makefile
kernel/trace/trace.h
samples/Makefile
Merge reason: We need to be uptodate with the perf events development
branch because we plan to rewrite the breakpoints API on top of
perf events.
Diffstat (limited to 'drivers/media/video/v4l1-compat.c')
| -rw-r--r-- | drivers/media/video/v4l1-compat.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index 02f2a6d18b45..0c2105ca611e 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -76,9 +76,8 @@ get_v4l_control(struct file *file, dprintk("VIDIOC_G_CTRL: %d\n", err); return 0; } - return ((ctrl2.value - qctrl2.minimum) * 65535 - + (qctrl2.maximum - qctrl2.minimum) / 2) - / (qctrl2.maximum - qctrl2.minimum); + return DIV_ROUND_CLOSEST((ctrl2.value-qctrl2.minimum) * 65535, + qctrl2.maximum - qctrl2.minimum); } return 0; } @@ -565,10 +564,9 @@ static noinline long v4l1_compat_get_input_info( break; } chan->norm = 0; - err = drv(file, VIDIOC_G_STD, &sid); - if (err < 0) - dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %ld\n", err); - if (err == 0) { + /* Note: G_STD might not be present for radio receivers, + * so we should ignore any errors. */ + if (drv(file, VIDIOC_G_STD, &sid) == 0) { if (sid & V4L2_STD_PAL) chan->norm = VIDEO_MODE_PAL; if (sid & V4L2_STD_NTSC) @@ -777,10 +775,9 @@ static noinline long v4l1_compat_get_tuner( tun->flags |= VIDEO_TUNER_SECAM; } - err = drv(file, VIDIOC_G_STD, &sid); - if (err < 0) - dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %ld\n", err); - if (err == 0) { + /* Note: G_STD might not be present for radio receivers, + * so we should ignore any errors. */ + if (drv(file, VIDIOC_G_STD, &sid) == 0) { if (sid & V4L2_STD_PAL) tun->mode = VIDEO_MODE_PAL; if (sid & V4L2_STD_NTSC) |