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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-24 17:21:51 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-24 17:21:51 (GMT)
commitab11ca34eea8fda7a1a9302d86f6ef6108ffd68f (patch)
tree987ec6c263f3dfa4a7a6f9ce4d5ece47cbc12e29 /drivers/media/video/bw-qcam.c
parentf9369910a6225b8d4892c3f20ae740a711cd5ace (diff)
parent71006fb22b0f5a2045605b3887ee99a0e9adafe4 (diff)
downloadlinux-ab11ca34eea8fda7a1a9302d86f6ef6108ffd68f.tar.xz
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - some V4L2 API updates needed by embedded devices - DVB API extensions for ATSC-MH delivery system, used in US for mobile TV - new tuners for fc0011/0012/0013 and tua9001 - a new dvb driver for af9033/9035 - a new ATSC-MH frontend (lg2160) - new remote controller keymaps - Removal of a few legacy webcam driver that got replaced by gspca on several kernel versions ago - a new driver for Exynos 4/5 webcams(s5pp fimc-lite) - a new webcam sensor driver (smiapp) - a new video input driver for embedded (sta2x1xx) - several improvements, fixes, cleanups, etc inside the drivers. Manually fix up conflicts due to err() -> dev_err() conversion in drivers/staging/media/easycap/easycap_main.c * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (484 commits) [media] saa7134-cards: Remove a PCI entry added by mistake [media] radio-sf16fmi: add support for SF16-FMD [media] rc-loopback: remove duplicate line [media] patch for Asus My Cinema PS3-100 (1043:48cd) [media] au0828: Move the Kconfig knob under V4L_USB_DRIVERS [media] em28xx: simple comment fix [media] [resend] radio-sf16fmr2: add PnP support for SF16-FMD2 [media] smiapp: Use v4l2_ctrl_new_int_menu() instead of v4l2_ctrl_new_custom() [media] smiapp: Add support for 8-bit uncompressed formats [media] smiapp: Allow generic quirk registers [media] smiapp: Use non-binning limits if the binning limit is zero [media] smiapp: Initialise rval in smiapp_read_nvm() [media] smiapp: Round minimum pre_pll up rather than down in ip_clk_freq check [media] smiapp: Use 8-bit reads only before identifying the sensor [media] smiapp: Quirk for sensors that only do 8-bit reads [media] smiapp: Pass struct sensor to register writing commands instead of i2c_client [media] smiapp: Allow using external clock from the clock framework [media] zl10353: change .read_snr() to report SNR as a 0.1 dB [media] media: add support to gspca/pac7302.c for 093a:2627 (Genius FaceCam 300) [media] m88rs2000 - only flip bit 2 on reg 0x70 on 16th try ...
Diffstat (limited to 'drivers/media/video/bw-qcam.c')
-rw-r--r--drivers/media/video/bw-qcam.c132
1 files changed, 62 insertions, 70 deletions
diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c
index f09df9d..2520219 100644
--- a/drivers/media/video/bw-qcam.c
+++ b/drivers/media/video/bw-qcam.c
@@ -77,6 +77,9 @@ OTHER DEALINGS IN THE SOFTWARE.
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
+#include <media/v4l2-fh.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
/* One from column A... */
#define QC_NOTSET 0
@@ -103,6 +106,7 @@ OTHER DEALINGS IN THE SOFTWARE.
struct qcam {
struct v4l2_device v4l2_dev;
struct video_device vdev;
+ struct v4l2_ctrl_handler hdl;
struct pardevice *pdev;
struct parport *pport;
struct mutex lock;
@@ -646,7 +650,8 @@ static int qcam_querycap(struct file *file, void *priv,
strlcpy(vcap->driver, qcam->v4l2_dev.name, sizeof(vcap->driver));
strlcpy(vcap->card, "B&W Quickcam", sizeof(vcap->card));
strlcpy(vcap->bus_info, "parport", sizeof(vcap->bus_info));
- vcap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
+ vcap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
+ vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -674,72 +679,6 @@ static int qcam_s_input(struct file *file, void *fh, unsigned int inp)
return (inp > 0) ? -EINVAL : 0;
}
-static int qcam_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qc)
-{
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 180);
- case V4L2_CID_CONTRAST:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 192);
- case V4L2_CID_GAMMA:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 105);
- }
- return -EINVAL;
-}
-
-static int qcam_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct qcam *qcam = video_drvdata(file);
- int ret = 0;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- ctrl->value = qcam->brightness;
- break;
- case V4L2_CID_CONTRAST:
- ctrl->value = qcam->contrast;
- break;
- case V4L2_CID_GAMMA:
- ctrl->value = qcam->whitebal;
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
-}
-
-static int qcam_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct qcam *qcam = video_drvdata(file);
- int ret = 0;
-
- mutex_lock(&qcam->lock);
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- qcam->brightness = ctrl->value;
- break;
- case V4L2_CID_CONTRAST:
- qcam->contrast = ctrl->value;
- break;
- case V4L2_CID_GAMMA:
- qcam->whitebal = ctrl->value;
- break;
- default:
- ret = -EINVAL;
- break;
- }
- if (ret == 0) {
- qc_setscanmode(qcam);
- qcam->status |= QC_PARAM_CHANGE;
- }
- mutex_unlock(&qcam->lock);
- return ret;
-}
-
static int qcam_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct qcam *qcam = video_drvdata(file);
@@ -856,8 +795,40 @@ static ssize_t qcam_read(struct file *file, char __user *buf,
return len;
}
+static int qcam_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct qcam *qcam =
+ container_of(ctrl->handler, struct qcam, hdl);
+ int ret = 0;
+
+ mutex_lock(&qcam->lock);
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ qcam->brightness = ctrl->val;
+ break;
+ case V4L2_CID_CONTRAST:
+ qcam->contrast = ctrl->val;
+ break;
+ case V4L2_CID_GAMMA:
+ qcam->whitebal = ctrl->val;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ if (ret == 0) {
+ qc_setscanmode(qcam);
+ qcam->status |= QC_PARAM_CHANGE;
+ }
+ mutex_unlock(&qcam->lock);
+ return ret;
+}
+
static const struct v4l2_file_operations qcam_fops = {
.owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = v4l2_fh_release,
+ .poll = v4l2_ctrl_poll,
.unlocked_ioctl = video_ioctl2,
.read = qcam_read,
};
@@ -867,13 +838,17 @@ static const struct v4l2_ioctl_ops qcam_ioctl_ops = {
.vidioc_g_input = qcam_g_input,
.vidioc_s_input = qcam_s_input,
.vidioc_enum_input = qcam_enum_input,
- .vidioc_queryctrl = qcam_queryctrl,
- .vidioc_g_ctrl = qcam_g_ctrl,
- .vidioc_s_ctrl = qcam_s_ctrl,
.vidioc_enum_fmt_vid_cap = qcam_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = qcam_g_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = qcam_s_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = qcam_try_fmt_vid_cap,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static const struct v4l2_ctrl_ops qcam_ctrl_ops = {
+ .s_ctrl = qcam_s_ctrl,
};
/* Initialize the QuickCam driver control structure. This is where
@@ -897,19 +872,35 @@ static struct qcam *qcam_init(struct parport *port)
return NULL;
}
+ v4l2_ctrl_handler_init(&qcam->hdl, 3);
+ v4l2_ctrl_new_std(&qcam->hdl, &qcam_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 180);
+ v4l2_ctrl_new_std(&qcam->hdl, &qcam_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 255, 1, 192);
+ v4l2_ctrl_new_std(&qcam->hdl, &qcam_ctrl_ops,
+ V4L2_CID_GAMMA, 0, 255, 1, 105);
+ if (qcam->hdl.error) {
+ v4l2_err(v4l2_dev, "couldn't register controls\n");
+ v4l2_ctrl_handler_free(&qcam->hdl);
+ kfree(qcam);
+ return NULL;
+ }
qcam->pport = port;
qcam->pdev = parport_register_device(port, "bw-qcam", NULL, NULL,
NULL, 0, NULL);
if (qcam->pdev == NULL) {
v4l2_err(v4l2_dev, "couldn't register for %s.\n", port->name);
+ v4l2_ctrl_handler_free(&qcam->hdl);
kfree(qcam);
return NULL;
}
strlcpy(qcam->vdev.name, "Connectix QuickCam", sizeof(qcam->vdev.name));
qcam->vdev.v4l2_dev = v4l2_dev;
+ qcam->vdev.ctrl_handler = &qcam->hdl;
qcam->vdev.fops = &qcam_fops;
qcam->vdev.ioctl_ops = &qcam_ioctl_ops;
+ set_bit(V4L2_FL_USE_FH_PRIO, &qcam->vdev.flags);
qcam->vdev.release = video_device_release_empty;
video_set_drvdata(&qcam->vdev, qcam);
@@ -1003,6 +994,7 @@ static int init_bwqcam(struct parport *port)
static void close_bwqcam(struct qcam *qcam)
{
video_unregister_device(&qcam->vdev);
+ v4l2_ctrl_handler_free(&qcam->hdl);
parport_unregister_device(qcam->pdev);
kfree(qcam);
}