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Subject[PATCH 1/7] Input: document meanings of KEY_SCREEN and KEY_ZOOM
Date
It is hard to say what KEY_SCREEN and KEY_ZOOM mean, but historically DVB
folks have used them to indicate switch to full screen mode. Later, they
converged on using KEY_ZOOM to switch into full screen mode and KEY)SCREEN
to control aspect ratio (see Documentation/media/uapi/rc/rc-tables.rst).

Let's commit to these uses, and define:

- KEY_FULL_SCREEN (and make KEY_ZOOM its alias)
- KEY_ASPECT_RATIO (and make KEY_SCREEN its alias)

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

Please let me know how we want merge this. Some of patches can be applied
independently and I tried marking them as such, but some require new key
names from input.h

include/uapi/linux/input-event-codes.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index ae366b87426a..bc5054e51bef 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -439,10 +439,12 @@
#define KEY_TITLE 0x171
#define KEY_SUBTITLE 0x172
#define KEY_ANGLE 0x173
-#define KEY_ZOOM 0x174
+#define KEY_FULL_SCREEN 0x174 /* AC View Toggle */
+#define KEY_ZOOM KEY_FULL_SCREEN
#define KEY_MODE 0x175
#define KEY_KEYBOARD 0x176
-#define KEY_SCREEN 0x177
+#define KEY_ASPECT_RATIO 0x177 /* HUTRR37: Aspect */
+#define KEY_SCREEN KEY_ASPECT_RATIO
#define KEY_PC 0x178 /* Media Select Computer */
#define KEY_TV 0x179 /* Media Select TV */
#define KEY_TV2 0x17a /* Media Select Cable */
--
2.20.1.321.g9e740568ce-goog
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