OpenWrt – Rev 1
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From 7fff5af1dafbcc5d21d22ea35249ca4dc26999d9 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 21 Feb 2018 13:49:32 +0000
Subject: [PATCH 395/454] staging: bcm2835-camera: Fix comment style
violations.
Fix comment style violations in the header files.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
.../bcm2835-camera/mmal-msg-format.h | 95 ++++++------
.../bcm2835-camera/mmal-msg-port.h | 124 ++++++++--------
.../vc04_services/bcm2835-camera/mmal-msg.h | 135 +++++++++---------
3 files changed, 185 insertions(+), 169 deletions(-)
--- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg-format.h
+++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-msg-format.h
@@ -22,22 +22,23 @@
/* MMAL_ES_FORMAT_T */
struct mmal_audio_format {
- u32 channels; /**< Number of audio channels */
- u32 sample_rate; /**< Sample rate */
+ u32 channels; /* Number of audio channels */
+ u32 sample_rate; /* Sample rate */
- u32 bits_per_sample; /**< Bits per sample */
- u32 block_align; /**< Size of a block of data */
+ u32 bits_per_sample; /* Bits per sample */
+ u32 block_align; /* Size of a block of data */
};
struct mmal_video_format {
- u32 width; /**< Width of frame in pixels */
- u32 height; /**< Height of frame in rows of pixels */
- struct mmal_rect crop; /**< Visible region of the frame */
- struct mmal_rational frame_rate; /**< Frame rate */
- struct mmal_rational par; /**< Pixel aspect ratio */
-
- /* FourCC specifying the color space of the video stream. See the
- * \ref MmalColorSpace "pre-defined color spaces" for some examples.
+ u32 width; /* Width of frame in pixels */
+ u32 height; /* Height of frame in rows of pixels */
+ struct mmal_rect crop; /* Visible region of the frame */
+ struct mmal_rational frame_rate; /* Frame rate */
+ struct mmal_rational par; /* Pixel aspect ratio */
+
+ /*
+ * FourCC specifying the color space of the video stream. See the
+ * MmalColorSpace "pre-defined color spaces" for some examples.
*/
u32 color_space;
};
@@ -53,48 +54,56 @@ union mmal_es_specific_format {
struct mmal_subpicture_format subpicture;
};
-/** Definition of an elementary stream format (MMAL_ES_FORMAT_T) */
+/* Definition of an elementary stream format (MMAL_ES_FORMAT_T) */
struct mmal_es_format_local {
- u32 type; /* enum mmal_es_type */
-
- u32 encoding; /* FourCC specifying encoding of the elementary stream.*/
- u32 encoding_variant; /* FourCC specifying the specific
- * encoding variant of the elementary
- * stream.
- */
-
- union mmal_es_specific_format *es; /* Type specific
- * information for the
- * elementary stream
- */
+ u32 type; /* enum mmal_es_type */
- u32 bitrate; /**< Bitrate in bits per second */
- u32 flags; /**< Flags describing properties of the elementary stream. */
+ u32 encoding; /* FourCC specifying encoding of the elementary
+ * stream.
+ */
+ u32 encoding_variant; /* FourCC specifying the specific
+ * encoding variant of the elementary
+ * stream.
+ */
+
+ union mmal_es_specific_format *es; /* Type specific
+ * information for the
+ * elementary stream
+ */
+
+ u32 bitrate; /* Bitrate in bits per second */
+ u32 flags; /* Flags describing properties of the elementary
+ * stream.
+ */
- u32 extradata_size; /**< Size of the codec specific data */
- u8 *extradata; /**< Codec specific data */
+ u32 extradata_size; /* Size of the codec specific data */
+ u8 *extradata; /* Codec specific data */
};
-/** Remote definition of an elementary stream format (MMAL_ES_FORMAT_T) */
+/* Remote definition of an elementary stream format (MMAL_ES_FORMAT_T) */
struct mmal_es_format {
- u32 type; /* enum mmal_es_type */
+ u32 type; /* enum mmal_es_type */
- u32 encoding; /* FourCC specifying encoding of the elementary stream.*/
- u32 encoding_variant; /* FourCC specifying the specific
- * encoding variant of the elementary
- * stream.
- */
+ u32 encoding; /* FourCC specifying encoding of the elementary
+ * stream.
+ */
+ u32 encoding_variant; /* FourCC specifying the specific
+ * encoding variant of the elementary
+ * stream.
+ */
- u32 es; /* Type specific
+ u32 es; /* Type specific
* information for the
* elementary stream
*/
- u32 bitrate; /**< Bitrate in bits per second */
- u32 flags; /**< Flags describing properties of the elementary stream. */
+ u32 bitrate; /* Bitrate in bits per second */
+ u32 flags; /* Flags describing properties of the elementary
+ * stream.
+ */
- u32 extradata_size; /**< Size of the codec specific data */
- u32 extradata; /**< Codec specific data */
+ u32 extradata_size; /* Size of the codec specific data */
+ u32 extradata; /* Codec specific data */
};
#endif /* MMAL_MSG_FORMAT_H */
--- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg-port.h
+++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-msg-port.h
@@ -16,28 +16,31 @@
/* MMAL_PORT_TYPE_T */
enum mmal_port_type {
- MMAL_PORT_TYPE_UNKNOWN = 0, /**< Unknown port type */
- MMAL_PORT_TYPE_CONTROL, /**< Control port */
- MMAL_PORT_TYPE_INPUT, /**< Input port */
- MMAL_PORT_TYPE_OUTPUT, /**< Output port */
- MMAL_PORT_TYPE_CLOCK, /**< Clock port */
+ MMAL_PORT_TYPE_UNKNOWN = 0, /* Unknown port type */
+ MMAL_PORT_TYPE_CONTROL, /* Control port */
+ MMAL_PORT_TYPE_INPUT, /* Input port */
+ MMAL_PORT_TYPE_OUTPUT, /* Output port */
+ MMAL_PORT_TYPE_CLOCK, /* Clock port */
};
-/** The port is pass-through and doesn't need buffer headers allocated */
+/* The port is pass-through and doesn't need buffer headers allocated */
#define MMAL_PORT_CAPABILITY_PASSTHROUGH 0x01
-/** The port wants to allocate the buffer payloads.
+/*
+ *The port wants to allocate the buffer payloads.
* This signals a preference that payload allocation should be done
* on this port for efficiency reasons.
*/
#define MMAL_PORT_CAPABILITY_ALLOCATION 0x02
-/** The port supports format change events.
+/*
+ * The port supports format change events.
* This applies to input ports and is used to let the client know
* whether the port supports being reconfigured via a format
* change event (i.e. without having to disable the port).
*/
#define MMAL_PORT_CAPABILITY_SUPPORTS_EVENT_FORMAT_CHANGE 0x04
-/* mmal port structure (MMAL_PORT_T)
+/*
+ * mmal port structure (MMAL_PORT_T)
*
* most elements are informational only, the pointer values for
* interogation messages are generally provided as additional
@@ -45,50 +48,50 @@ enum mmal_port_type {
* buffer_num, buffer_size and userdata parameters are writable.
*/
struct mmal_port {
- u32 priv; /* Private member used by the framework */
- u32 name; /* Port name. Used for debugging purposes (RO) */
+ u32 priv; /* Private member used by the framework */
+ u32 name; /* Port name. Used for debugging purposes (RO) */
- u32 type; /* Type of the port (RO) enum mmal_port_type */
- u16 index; /* Index of the port in its type list (RO) */
- u16 index_all; /* Index of the port in the list of all ports (RO) */
-
- u32 is_enabled; /* Indicates whether the port is enabled or not (RO) */
- u32 format; /* Format of the elementary stream */
-
- u32 buffer_num_min; /* Minimum number of buffers the port
- * requires (RO). This is set by the
- * component.
- */
-
- u32 buffer_size_min; /* Minimum size of buffers the port
- * requires (RO). This is set by the
- * component.
- */
-
- u32 buffer_alignment_min; /* Minimum alignment requirement for
- * the buffers (RO). A value of
- * zero means no special alignment
- * requirements. This is set by the
- * component.
- */
-
- u32 buffer_num_recommended; /* Number of buffers the port
- * recommends for optimal
- * performance (RO). A value of
- * zero means no special
- * recommendation. This is set
- * by the component.
- */
-
- u32 buffer_size_recommended; /* Size of buffers the port
- * recommends for optimal
- * performance (RO). A value of
- * zero means no special
- * recommendation. This is set
- * by the component.
- */
+ u32 type; /* Type of the port (RO) enum mmal_port_type */
+ u16 index; /* Index of the port in its type list (RO) */
+ u16 index_all; /* Index of the port in the list of all ports (RO) */
+
+ u32 is_enabled; /* Indicates whether the port is enabled or not (RO) */
+ u32 format; /* Format of the elementary stream */
+
+ u32 buffer_num_min; /* Minimum number of buffers the port
+ * requires (RO). This is set by the
+ * component.
+ */
+
+ u32 buffer_size_min; /* Minimum size of buffers the port
+ * requires (RO). This is set by the
+ * component.
+ */
+
+ u32 buffer_alignment_min;/* Minimum alignment requirement for
+ * the buffers (RO). A value of
+ * zero means no special alignment
+ * requirements. This is set by the
+ * component.
+ */
+
+ u32 buffer_num_recommended; /* Number of buffers the port
+ * recommends for optimal
+ * performance (RO). A value of
+ * zero means no special
+ * recommendation. This is set
+ * by the component.
+ */
+
+ u32 buffer_size_recommended; /* Size of buffers the port
+ * recommends for optimal
+ * performance (RO). A value of
+ * zero means no special
+ * recommendation. This is set
+ * by the component.
+ */
- u32 buffer_num; /* Actual number of buffers the port will use.
+ u32 buffer_num; /* Actual number of buffers the port will use.
* This is set by the client.
*/
@@ -97,14 +100,13 @@ struct mmal_port {
* the client.
*/
- u32 component; /* Component this port belongs to (Read Only) */
+ u32 component; /* Component this port belongs to (Read Only) */
- u32 userdata; /* Field reserved for use by the client */
-
- u32 capabilities; /* Flags describing the capabilities of a
- * port (RO). Bitwise combination of \ref
- * portcapabilities "Port capabilities"
- * values.
- */
+ u32 userdata; /* Field reserved for use by the client */
+ u32 capabilities; /* Flags describing the capabilities of a
+ * port (RO). Bitwise combination of \ref
+ * portcapabilities "Port capabilities"
+ * values.
+ */
};
--- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h
+++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h
@@ -14,7 +14,8 @@
* Luke Diamand @ Broadcom
*/
-/* all the data structures which serialise the MMAL protocol. note
+/*
+ * all the data structures which serialise the MMAL protocol. note
* these are directly mapped onto the recived message data.
*
* BEWARE: They seem to *assume* pointers are u32 and that there is no
@@ -44,51 +45,51 @@ enum mmal_msg_type {
MMAL_MSG_TYPE_SERVICE_CLOSED,
MMAL_MSG_TYPE_GET_VERSION,
MMAL_MSG_TYPE_COMPONENT_CREATE,
- MMAL_MSG_TYPE_COMPONENT_DESTROY, /* 5 */
+ MMAL_MSG_TYPE_COMPONENT_DESTROY, /* 5 */
MMAL_MSG_TYPE_COMPONENT_ENABLE,
MMAL_MSG_TYPE_COMPONENT_DISABLE,
MMAL_MSG_TYPE_PORT_INFO_GET,
MMAL_MSG_TYPE_PORT_INFO_SET,
- MMAL_MSG_TYPE_PORT_ACTION, /* 10 */
+ MMAL_MSG_TYPE_PORT_ACTION, /* 10 */
MMAL_MSG_TYPE_BUFFER_FROM_HOST,
MMAL_MSG_TYPE_BUFFER_TO_HOST,
MMAL_MSG_TYPE_GET_STATS,
MMAL_MSG_TYPE_PORT_PARAMETER_SET,
- MMAL_MSG_TYPE_PORT_PARAMETER_GET, /* 15 */
+ MMAL_MSG_TYPE_PORT_PARAMETER_GET, /* 15 */
MMAL_MSG_TYPE_EVENT_TO_HOST,
MMAL_MSG_TYPE_GET_CORE_STATS_FOR_PORT,
MMAL_MSG_TYPE_OPAQUE_ALLOCATOR,
MMAL_MSG_TYPE_CONSUME_MEM,
- MMAL_MSG_TYPE_LMK, /* 20 */
+ MMAL_MSG_TYPE_LMK, /* 20 */
MMAL_MSG_TYPE_OPAQUE_ALLOCATOR_DESC,
MMAL_MSG_TYPE_DRM_GET_LHS32,
MMAL_MSG_TYPE_DRM_GET_TIME,
MMAL_MSG_TYPE_BUFFER_FROM_HOST_ZEROLEN,
- MMAL_MSG_TYPE_PORT_FLUSH, /* 25 */
+ MMAL_MSG_TYPE_PORT_FLUSH, /* 25 */
MMAL_MSG_TYPE_HOST_LOG,
MMAL_MSG_TYPE_MSG_LAST
};
/* port action request messages differ depending on the action type */
enum mmal_msg_port_action_type {
- MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unkown action */
- MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */
- MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable a port */
- MMAL_MSG_PORT_ACTION_TYPE_FLUSH, /* Flush a port */
- MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */
- MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */
+ MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */
+ MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */
+ MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable a port */
+ MMAL_MSG_PORT_ACTION_TYPE_FLUSH, /* Flush a port */
+ MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */
+ MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */
MMAL_MSG_PORT_ACTION_TYPE_SET_REQUIREMENTS, /* Set buffer requirements*/
};
struct mmal_msg_header {
u32 magic;
- u32 type; /** enum mmal_msg_type */
+ u32 type; /* enum mmal_msg_type */
/* Opaque handle to the control service */
u32 control_service;
- u32 context; /** a u32 per message context */
- u32 status; /** The status of the vchiq operation */
+ u32 context; /* a u32 per message context */
+ u32 status; /* The status of the vchiq operation */
u32 padding;
};
@@ -102,9 +103,9 @@ struct mmal_msg_version {
/* request to VC to create component */
struct mmal_msg_component_create {
- u32 client_component; /* component context */
+ u32 client_component; /* component context */
char name[128];
- u32 pid; /* For debug */
+ u32 pid; /* For debug */
};
/* reply from VC to component creation request */
@@ -124,7 +125,7 @@ struct mmal_msg_component_destroy {
};
struct mmal_msg_component_destroy_reply {
- u32 status; /** The component destruction status */
+ u32 status; /* The component destruction status */
};
/* request and reply to VC to enable a component */
@@ -133,7 +134,7 @@ struct mmal_msg_component_enable {
};
struct mmal_msg_component_enable_reply {
- u32 status; /** The component enable status */
+ u32 status; /* The component enable status */
};
/* request and reply to VC to disable a component */
@@ -142,7 +143,7 @@ struct mmal_msg_component_disable {
};
struct mmal_msg_component_disable_reply {
- u32 status; /** The component disable status */
+ u32 status; /* The component disable status */
};
/* request to VC to get port information */
@@ -154,12 +155,12 @@ struct mmal_msg_port_info_get {
/* reply from VC to get port info request */
struct mmal_msg_port_info_get_reply {
- u32 status; /** enum mmal_msg_status */
- u32 component_handle; /* component handle port is associated with */
- u32 port_type; /* enum mmal_msg_port_type */
- u32 port_index; /* port indexed in query */
- s32 found; /* unused */
- u32 port_handle; /**< Handle to use for this port */
+ u32 status; /* enum mmal_msg_status */
+ u32 component_handle; /* component handle port is associated with */
+ u32 port_type; /* enum mmal_msg_port_type */
+ u32 port_index; /* port indexed in query */
+ s32 found; /* unused */
+ u32 port_handle; /* Handle to use for this port */
struct mmal_port port;
struct mmal_es_format format; /* elementary stream format */
union mmal_es_specific_format es; /* es type specific data */
@@ -169,8 +170,8 @@ struct mmal_msg_port_info_get_reply {
/* request to VC to set port information */
struct mmal_msg_port_info_set {
u32 component_handle;
- u32 port_type; /* enum mmal_msg_port_type */
- u32 port_index; /* port indexed in query */
+ u32 port_type; /* enum mmal_msg_port_type */
+ u32 port_index; /* port indexed in query */
struct mmal_port port;
struct mmal_es_format format;
union mmal_es_specific_format es;
@@ -180,11 +181,11 @@ struct mmal_msg_port_info_set {
/* reply from VC to port info set request */
struct mmal_msg_port_info_set_reply {
u32 status;
- u32 component_handle; /* component handle port is associated with */
- u32 port_type; /* enum mmal_msg_port_type */
- u32 index; /* port indexed in query */
- s32 found; /* unused */
- u32 port_handle; /**< Handle to use for this port */
+ u32 component_handle; /* component handle port is associated with */
+ u32 port_type; /* enum mmal_msg_port_type */
+ u32 index; /* port indexed in query */
+ s32 found; /* unused */
+ u32 port_handle; /* Handle to use for this port */
struct mmal_port port;
struct mmal_es_format format;
union mmal_es_specific_format es;
@@ -195,7 +196,7 @@ struct mmal_msg_port_info_set_reply {
struct mmal_msg_port_action_port {
u32 component_handle;
u32 port_handle;
- u32 action; /* enum mmal_msg_port_action_type */
+ u32 action; /* enum mmal_msg_port_action_type */
struct mmal_port port;
};
@@ -203,50 +204,53 @@ struct mmal_msg_port_action_port {
struct mmal_msg_port_action_handle {
u32 component_handle;
u32 port_handle;
- u32 action; /* enum mmal_msg_port_action_type */
+ u32 action; /* enum mmal_msg_port_action_type */
u32 connect_component_handle;
u32 connect_port_handle;
};
struct mmal_msg_port_action_reply {
- u32 status; /** The port action operation status */
+ u32 status; /* The port action operation status */
};
/* MMAL buffer transfer */
-/** Size of space reserved in a buffer message for short messages. */
+/* Size of space reserved in a buffer message for short messages. */
#define MMAL_VC_SHORT_DATA 128
-/** Signals that the current payload is the end of the stream of data */
+/* Signals that the current payload is the end of the stream of data */
#define MMAL_BUFFER_HEADER_FLAG_EOS (1<<0)
-/** Signals that the start of the current payload starts a frame */
+/* Signals that the start of the current payload starts a frame */
#define MMAL_BUFFER_HEADER_FLAG_FRAME_START (1<<1)
-/** Signals that the end of the current payload ends a frame */
+/* Signals that the end of the current payload ends a frame */
#define MMAL_BUFFER_HEADER_FLAG_FRAME_END (1<<2)
-/** Signals that the current payload contains only complete frames (>1) */
+/* Signals that the current payload contains only complete frames (>1) */
#define MMAL_BUFFER_HEADER_FLAG_FRAME \
(MMAL_BUFFER_HEADER_FLAG_FRAME_START|MMAL_BUFFER_HEADER_FLAG_FRAME_END)
-/** Signals that the current payload is a keyframe (i.e. self decodable) */
+/* Signals that the current payload is a keyframe (i.e. self decodable) */
#define MMAL_BUFFER_HEADER_FLAG_KEYFRAME (1<<3)
-/** Signals a discontinuity in the stream of data (e.g. after a seek).
+/*
+ * Signals a discontinuity in the stream of data (e.g. after a seek).
* Can be used for instance by a decoder to reset its state
*/
#define MMAL_BUFFER_HEADER_FLAG_DISCONTINUITY (1<<4)
-/** Signals a buffer containing some kind of config data for the component
+/*
+ * Signals a buffer containing some kind of config data for the component
* (e.g. codec config data)
*/
#define MMAL_BUFFER_HEADER_FLAG_CONFIG (1<<5)
-/** Signals an encrypted payload */
+/* Signals an encrypted payload */
#define MMAL_BUFFER_HEADER_FLAG_ENCRYPTED (1<<6)
-/** Signals a buffer containing side information */
+/* Signals a buffer containing side information */
#define MMAL_BUFFER_HEADER_FLAG_CODECSIDEINFO (1<<7)
-/** Signals a buffer which is the snapshot/postview image from a stills
+/*
+ * Signals a buffer which is the snapshot/postview image from a stills
* capture
*/
#define MMAL_BUFFER_HEADER_FLAGS_SNAPSHOT (1<<8)
-/** Signals a buffer which contains data known to be corrupted */
+/* Signals a buffer which contains data known to be corrupted */
#define MMAL_BUFFER_HEADER_FLAG_CORRUPTED (1<<9)
-/** Signals that a buffer failed to be transmitted */
+/* Signals that a buffer failed to be transmitted */
#define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED (1<<10)
struct mmal_driver_buffer {
@@ -258,8 +262,8 @@ struct mmal_driver_buffer {
/* buffer header */
struct mmal_buffer_header {
- u32 next; /* next header */
- u32 priv; /* framework private data */
+ u32 next; /* next header */
+ u32 priv; /* framework private data */
u32 cmd;
u32 data;
u32 alloc_size;
@@ -284,7 +288,8 @@ struct mmal_buffer_header_type_specific
};
struct mmal_msg_buffer_from_host {
- /* The front 32 bytes of the buffer header are copied
+ /*
+ *The front 32 bytes of the buffer header are copied
* back to us in the reply to allow for context. This
* area is used to store two mmal_driver_buffer structures to
* allow for multiple concurrent service users.
@@ -299,7 +304,7 @@ struct mmal_msg_buffer_from_host {
s32 is_zero_copy;
s32 has_reference;
- /** allows short data to be xfered in control message */
+ /* allows short data to be xfered in control message */
u32 payload_in_message;
u8 short_data[MMAL_VC_SHORT_DATA];
};
@@ -309,10 +314,10 @@ struct mmal_msg_buffer_from_host {
#define MMAL_WORKER_PORT_PARAMETER_SPACE 96
struct mmal_msg_port_parameter_set {
- u32 component_handle; /* component */
- u32 port_handle; /* port */
- u32 id; /* Parameter ID */
- u32 size; /* Parameter size */
+ u32 component_handle; /* component */
+ u32 port_handle; /* port */
+ u32 id; /* Parameter ID */
+ u32 size; /* Parameter size */
uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE];
};
@@ -325,16 +330,16 @@ struct mmal_msg_port_parameter_set_reply
/* port parameter getting */
struct mmal_msg_port_parameter_get {
- u32 component_handle; /* component */
- u32 port_handle; /* port */
- u32 id; /* Parameter ID */
- u32 size; /* Parameter size */
+ u32 component_handle; /* component */
+ u32 port_handle; /* port */
+ u32 id; /* Parameter ID */
+ u32 size; /* Parameter size */
};
struct mmal_msg_port_parameter_get_reply {
- u32 status; /* Status of mmal_port_parameter_get call */
- u32 id; /* Parameter ID */
- u32 size; /* Parameter size */
+ u32 status; /* Status of mmal_port_parameter_get call */
+ u32 id; /* Parameter ID */
+ u32 size; /* Parameter size */
uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE];
};
@@ -342,7 +347,7 @@ struct mmal_msg_port_parameter_get_reply
#define MMAL_WORKER_EVENT_SPACE 256
struct mmal_msg_event_to_host {
- u32 client_component; /* component context */
+ u32 client_component; /* component context */
u32 port_type;
u32 port_num;