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path: root/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-13 14:03:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-13 14:03:59 -0700
commitcf2fa66055d718ae13e62451bb546505f63906a2 (patch)
treee206d3f04e74a34e9aa88d21af6c26eea21d4121 /drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
parent4501a466f28788485604ee42641d7a5fe7258d16 (diff)
parent57f51dbc45f65f7ee1e8c8f77200bb8000e3e271 (diff)
downloadblackbird-op-linux-cf2fa66055d718ae13e62451bb546505f63906a2.tar.gz
blackbird-op-linux-cf2fa66055d718ae13e62451bb546505f63906a2.zip
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (313 commits) V4L/DVB (9186): Added support for Prof 7300 DVB-S/S2 cards V4L/DVB (9185): S2API: Ensure we have a reasonable ROLLOFF default V4L/DVB (9184): cx24116: Change the default SNR units back to percentage by default. V4L/DVB (9183): S2API: Return error of the caller provides 0 commands. V4L/DVB (9182): S2API: Added support for DTV_HIERARCHY V4L/DVB (9181): S2API: Add support fot DTV_GUARD_INTERVAL and DTV_TRANSMISSION_MODE V4L/DVB (9180): S2API: Added support for DTV_CODE_RATE_HP/LP V4L/DVB (9179): S2API: frontend.h cleanup V4L/DVB (9178): cx24116: Add module parameter to return SNR as ESNO. V4L/DVB (9177): S2API: Change _8PSK / _16APSK to PSK_8 and APSK_16 V4L/DVB (9176): Add support for DvbWorld USB cards with STV0288 demodulator. V4L/DVB (9175): Remove NULL pointer in stb6000 driver. V4L/DVB (9174): Allow custom inittab for ST STV0288 demodulator. V4L/DVB (9173): S2API: Remove the hardcoded command limit during validation V4L/DVB (9172): S2API: Bugfix related to DVB-S / DVB-S2 tuning for the legacy API. V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API. V4L/DVB (9170): cx24116: Sanity checking to data input via S2API to the cx24116 demod. V4L/DVB (9169): uvcvideo: Support two new Bison Electronics webcams. V4L/DVB (9168): Add support for MSI TV@nywhere Plus remote V4L/DVB: v4l2-dev: remove duplicated #include ...
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c46
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
index 55f04a0b2047..16bb11902a52 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
@@ -37,6 +37,7 @@ static void set_standard(struct pvr2_hdw *hdw)
pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
}
hdw->tuner_signal_stale = !0;
+ hdw->cropcap_stale = !0;
}
@@ -233,6 +234,37 @@ const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
};
+static void set_crop(struct pvr2_hdw *hdw)
+{
+ struct v4l2_crop crop;
+
+ memset(&crop, 0, sizeof crop);
+ crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ crop.c.left = hdw->cropl_val;
+ crop.c.top = hdw->cropt_val;
+ crop.c.height = hdw->croph_val;
+ crop.c.width = hdw->cropw_val;
+
+ pvr2_trace(PVR2_TRACE_CHIPS,
+ "i2c v4l2 set_crop crop=%d:%d:%d:%d",
+ crop.c.width, crop.c.height, crop.c.left, crop.c.top);
+
+ pvr2_i2c_core_cmd(hdw, VIDIOC_S_CROP, &crop);
+}
+
+static int check_crop(struct pvr2_hdw *hdw)
+{
+ return (hdw->cropl_dirty || hdw->cropt_dirty ||
+ hdw->cropw_dirty || hdw->croph_dirty);
+}
+
+const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop = {
+ .check = check_crop,
+ .update = set_crop,
+ .name = "v4l2_crop",
+};
+
+
static void do_log(struct pvr2_hdw *hdw)
{
pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
@@ -263,7 +295,19 @@ void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp)
{
- pvr2_i2c_client_cmd(cp,VIDIOC_G_TUNER,&cp->hdw->tuner_signal_info);
+ int stat;
+ struct pvr2_hdw *hdw = cp->hdw;
+ if (hdw->cropcap_stale) {
+ hdw->cropcap_info.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ stat = pvr2_i2c_client_cmd(cp, VIDIOC_CROPCAP,
+ &hdw->cropcap_info);
+ if (stat == 0) {
+ /* Check was successful, so the data is no
+ longer considered stale. */
+ hdw->cropcap_stale = 0;
+ }
+ }
+ pvr2_i2c_client_cmd(cp, VIDIOC_G_TUNER, &hdw->tuner_signal_info);
}
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