[PATCH 4/8] input: Documentation: corrections for gameport-programming.rst

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Use "E.g." instead of "Eg.".
Use correct index for buttons[] array.
Update all of struct gameport's descriptions.

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Cc: linux-input@xxxxxxxxxxxxxxx
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
---
 Documentation/input/gameport-programming.rst |   35 +++++++++++------
 1 file changed, 23 insertions(+), 12 deletions(-)

--- linux-next-20210202.orig/Documentation/input/gameport-programming.rst
+++ linux-next-20210202/Documentation/input/gameport-programming.rst
@@ -21,7 +21,7 @@ choose which one to program the hardware
 addresses is preferred, because the likelihood of clashing with the standard
 0x201 address is smaller.
 
-Eg. if your driver supports addresses 0x200, 0x208, 0x210 and 0x218, then
+E.g. if your driver supports addresses 0x200, 0x208, 0x210 and 0x218, then
 0x218 would be the address of first choice.
 
 If your hardware supports a gameport address that is not mapped to ISA io
@@ -78,7 +78,7 @@ the gameport. To register a cooked gamep
 
 		for (i = 0; i < 4; i++)
 			axes[i] = my_mmio[i];
-		buttons[i] = my_mmio[4];
+		buttons[0] = my_mmio[4];
 	}
 
 	int my_open(struct gameport *gameport, int mode)
@@ -117,25 +117,28 @@ Simple::
 The gameport structure
 ~~~~~~~~~~~~~~~~~~~~~~
 
-.. note::
-
-    This section is outdated. There are several fields here that don't
-    match what's there at include/linux/gameport.h.
-
 ::
 
     struct gameport {
 
-	void *private;
+	void *port_data;
 
 A private pointer for free use in the gameport driver. (Not the joystick
 driver!)
 
 ::
 
-	int number;
+	char name[32];
+
+Driver's name as set by driver calling gameport_set_name(). Informational
+purpose only.
+
+::
+
+	char phys[32];
 
-Number assigned to the gameport when registered. Informational purpose only.
+gameport's physical name/description as set by driver calling gameport_set_phys().
+Informational purpose only.
 
 ::
 
@@ -210,8 +213,16 @@ gameport.
 
 ::
 
-	struct gameport_dev *dev;
-	struct gameport *next;
+	struct timer_list poll_timer;
+	unsigned int poll_interval;     /* in msecs */
+	spinlock_t timer_lock;
+	unsigned int poll_cnt;
+	void (*poll_handler)(struct gameport *);
+	struct gameport *parent, *child;
+	struct gameport_driver *drv;
+	struct mutex drv_mutex;		/* protects serio->drv so attributes can pin driver */
+	struct device dev;
+	struct list_head node;
 
 For internal use by the gameport layer.
 



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