Merge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (101 commits)
  [media] staging/lirc: fix mem leaks and ptr err usage
  [media] hdpvr: reduce latency of i2c read/write w/recycled buffer
  [media] hdpvr: enable IR part
  [media] rc/mceusb: timeout should be in ns, not us
  [media] v4l2-device: fix 'use-after-freed' oops
  [media] v4l2-dev: don't memset video_device.dev
  [media] zoran: use video_device_alloc instead of kmalloc
  [media] w9966: zero device state after a detach
  [media] v4l: Fix a use-before-set in the control framework
  [media] v4l: Include linux/videodev2.h in media/v4l2-ctrls.h
  [media] DocBook/v4l: update V4L2 revision and update copyright years
  [media] DocBook/v4l: fix validation error in dev-rds.xml
  [media] v4l2-ctrls: queryctrl shouldn't attempt to replace V4L2_CID_PRIVATE_BASE IDs
  [media] v4l2-ctrls: fix missing 'read-only' check
  [media] pvrusb2: Provide more information about IR units to lirc_zilog and ir-kbd-i2c
  [media] ir-kbd-i2c: Add back defaults setting for Zilog Z8's at addr 0x71
  [media] lirc_zilog: Update TODO.lirc_zilog
  [media] lirc_zilog: Add Andy Walls to copyright notice and authors list
  [media] lirc_zilog: Remove useless struct i2c_driver.command function
  [media] lirc_zilog: Remove unneeded tests for existence of the IR Tx function
  ...

6 files changed, 45 insertions, 20 deletions

diff --git a/include/media/mt9v011.h b/include/media/mt9v011.h
new file mode 100644
index 000000000000..ea29fc74cd06
--- /dev/null
+++ b/include/media/mt9v011.h
@@ -0,0 +1,17 @@
+/* mt9v011 sensor
+ *
+ * Copyright (C) 2011 Hans Verkuil <hverkuil@xs4all.nl>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __MT9V011_H__
+#define __MT9V011_H__
+
+struct mt9v011_platform_data {
+        unsigned xtal;  /* Hz */
+};
+
+#endif
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index a23c1fc685a1..2963263f31e2 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -183,6 +183,9 @@ static inline void init_ir_raw_event(struct ir_raw_event *ev)
 }
 
 #define IR_MAX_DURATION         0xFFFFFFFF      /* a bit more than 4 seconds */
+#define US_TO_NS(usec)          ((usec) * 1000)
+#define MS_TO_US(msec)          ((msec) * 1000)
+#define MS_TO_NS(msec)          ((msec) * 1000 * 1000)
 
 void ir_raw_event_handle(struct rc_dev *dev);
 int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev);
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index ac7ce00f39cf..79827143d5ac 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -115,7 +115,7 @@ struct saa7146_dev
 
         /* different device locks */
         spinlock_t                      slock;
-        struct mutex                    lock;
+        struct mutex                    v4l2_lock;
 
         unsigned char                   __iomem *mem;           /* pointer to mapped IO memory */
         u32                             revision;       /* chip revision; needed for bug-workarounds*/
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 2d65b35cdab2..a659319e8582 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -138,21 +138,10 @@ struct v4l2_subdev_ops;
 
 /* Load an i2c module and return an initialized v4l2_subdev struct.
    The client_type argument is the name of the chip that's on the adapter. */
-struct v4l2_subdev *v4l2_i2c_new_subdev_cfg(struct v4l2_device *v4l2_dev,
+struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev,
                 struct i2c_adapter *adapter, const char *client_type,
-                int irq, void *platform_data,
                 u8 addr, const unsigned short *probe_addrs);
 
-/* Load an i2c module and return an initialized v4l2_subdev struct.
-   The client_type argument is the name of the chip that's on the adapter. */
-static inline struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev,
-                struct i2c_adapter *adapter, const char *client_type,
-                u8 addr, const unsigned short *probe_addrs)
-{
-        return v4l2_i2c_new_subdev_cfg(v4l2_dev, adapter, client_type, 0, NULL,
-                                       addr, probe_addrs);
-}
-
 struct i2c_board_info;
 
 struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index d69ab4aae032..97d063837b61 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -23,6 +23,7 @@
 
 #include <linux/list.h>
 #include <linux/device.h>
+#include <linux/videodev2.h>
 
 /* forward references */
 struct v4l2_ctrl_handler;
@@ -53,8 +54,10 @@ struct v4l2_ctrl_ops {
   * @handler:   The handler that owns the control.
   * @cluster:   Point to start of cluster array.
   * @ncontrols: Number of controls in cluster array.
-  * @has_new:   Internal flag: set when there is a valid new value.
   * @done:      Internal flag: set for each processed control.
+  * @is_new:    Set when the user specified a new value for this control. It
+  *             is also set when called from v4l2_ctrl_handler_setup. Drivers
+  *             should never set this flag.
   * @is_private: If set, then this control is private to its handler and it
   *             will not be added to any other handlers. Drivers can set
   *             this flag.
@@ -97,9 +100,9 @@ struct v4l2_ctrl {
         struct v4l2_ctrl_handler *handler;
         struct v4l2_ctrl **cluster;
         unsigned ncontrols;
-        unsigned int has_new:1;
         unsigned int done:1;
 
+        unsigned int is_new:1;
         unsigned int is_private:1;
         unsigned int is_volatile:1;
 
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index b0316a7cf08d..daf1e57d9b26 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -106,10 +106,7 @@ struct v4l2_subdev_io_pin_config {
         u8 strength;    /* Pin drive strength */
 };
 
-/* s_config: if set, then it is always called by the v4l2_i2c_new_subdev*
-        functions after the v4l2_subdev was registered. It is used to pass
-        platform data to the subdev which can be used during initialization.
-
+/*
    s_io_pin_config: configure one or more chip I/O pins for chips that
         multiplex different internal signal pads out to IO pins.  This function
         takes a pointer to an array of 'n' pin configuration entries, one for
@@ -141,7 +138,6 @@ struct v4l2_subdev_io_pin_config {
 struct v4l2_subdev_core_ops {
         int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip);
         int (*log_status)(struct v4l2_subdev *sd);
-        int (*s_config)(struct v4l2_subdev *sd, int irq, void *platform_data);
         int (*s_io_pin_config)(struct v4l2_subdev *sd, size_t n,
                                       struct v4l2_subdev_io_pin_config *pincfg);
         int (*init)(struct v4l2_subdev *sd, u32 val);
@@ -415,6 +411,21 @@ struct v4l2_subdev_ops {
         const struct v4l2_subdev_sensor_ops     *sensor;
 };
 
+/*
+ * Internal ops. Never call this from drivers, only the v4l2 framework can call
+ * these ops.
+ *
+ * registered: called when this subdev is registered. When called the v4l2_dev
+ *      field is set to the correct v4l2_device.
+ *
+ * unregistered: called when this subdev is unregistered. When called the
+ *      v4l2_dev field is still set to the correct v4l2_device.
+ */
+struct v4l2_subdev_internal_ops {
+        int (*registered)(struct v4l2_subdev *sd);
+        void (*unregistered)(struct v4l2_subdev *sd);
+};
+
 #define V4L2_SUBDEV_NAME_SIZE 32
 
 /* Set this flag if this subdev is a i2c device. */
@@ -431,6 +442,8 @@ struct v4l2_subdev {
         u32 flags;
         struct v4l2_device *v4l2_dev;
         const struct v4l2_subdev_ops *ops;
+        /* Never call these internal ops from within a driver! */
+        const struct v4l2_subdev_internal_ops *internal_ops;
         /* The control handler of this subdev. May be NULL. */
         struct v4l2_ctrl_handler *ctrl_handler;
         /* name must be unique */