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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-28 09:35:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-28 09:35:11 -0700
commit0851668fdd97e526b2a41f794b785c204dd3d3e0 (patch)
tree4ef7c20a8be8393006c6fe9627eb29dd30877d61 /drivers/media/video/v4l2-common.c
parent00ebb6382b8d9c7c15b5f8ad230670d8161d38dd (diff)
parent7655e594945289b418af39f6669fea4666a7b520 (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (505 commits) [media] af9015: Fix max I2C message size when used with tda18271 [media] IR: initialize ir_raw_event in few more drivers [media] Guard a divide in v4l1 compat layer [media] imon: fix nomouse modprobe option [media] imon: remove redundant change_protocol call [media] imon: fix my egregious brown paper bag w/rdev/idev split [media] cafe_ccic: Configure ov7670 correctly [media] ov7670: allow configuration of image size, clock speed, and I/O method [media] af9015: support for DigitalNow TinyTwin v3 [1f4d:9016] [media] af9015: map DigitalNow TinyTwin v2 remote [media] DigitalNow TinyTwin remote controller [media] af9015: RC fixes and improvements videodev2.h.xml: Update to reflect the latest changes at videodev2.h [media] v4l: document new Bayer and monochrome pixel formats [media] DocBook/v4l: Add missing formats used on gspca cpia1 and sn9c2028 [media] firedtv: add parameter to fake ca_system_ids in CA_INFO [media] tm6000: fix a macro coding style issue tm6000: Remove some ugly debug code [media] Nova-S-Plus audio line input [media] [RFC,1/1] V4L2: Use new CAP bits in existing RDS capable drivers ...
Diffstat (limited to 'drivers/media/video/v4l2-common.c')
-rw-r--r--drivers/media/video/v4l2-common.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 8ee1179be926..9294282b5add 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -378,6 +378,8 @@ struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
if (module_name)
request_module(module_name);
+ else
+ request_module(I2C_MODULE_PREFIX "%s", info->type);
/* Create the i2c client */
if (info->addr == 0 && probe_addrs)
@@ -676,3 +678,28 @@ int v4l_fill_dv_preset_info(u32 preset, struct v4l2_dv_enum_preset *info)
return 0;
}
EXPORT_SYMBOL_GPL(v4l_fill_dv_preset_info);
+
+const struct v4l2_frmsize_discrete *v4l2_find_nearest_format(
+ const struct v4l2_discrete_probe *probe,
+ s32 width, s32 height)
+{
+ int i;
+ u32 error, min_error = UINT_MAX;
+ const struct v4l2_frmsize_discrete *size, *best = NULL;
+
+ if (!probe)
+ return best;
+
+ for (i = 0, size = probe->sizes; i < probe->num_sizes; i++, size++) {
+ error = abs(size->width - width) + abs(size->height - height);
+ if (error < min_error) {
+ min_error = error;
+ best = size;
+ }
+ if (!error)
+ break;
+ }
+
+ return best;
+}
+EXPORT_SYMBOL_GPL(v4l2_find_nearest_format);