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| author |   Heiner Kallweit <hkallweit1@gmail.com> | 2016-03-17 16:39:13 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-05-07 10:34:17 -0300 |
| commit | 5f61ff86116cf637ae926f44c1857716ec89e9fb (patch) | |
| tree | fc8c46bb2e65c6d998e876dbdeccd55db132a324 /include/media | |
| parent | [media] mceusb: add support for SMK eHome receiver (diff) | |
| download | linux-dev-5f61ff86116cf637ae926f44c1857716ec89e9fb.tar.xz linux-dev-5f61ff86116cf637ae926f44c1857716ec89e9fb.zip | |
[media] media: rc: reduce size of struct ir_raw_event
struct ir_raw_event currently has a size of 12 bytes on most (all?)
architectures. This can be reduced to 8 bytes whilst maintaining
full backwards compatibility.
This saves 2KB in size of struct ir_raw_event_ctrl (as element
kfifo is reduced by 512 * 4 bytes) and it allows to copy the
full struct ir_raw_event with a single 64 bit operation.
Successfully tested with the Nuvoton driver and successfully
compile-tested with the ene_ir driver (as it uses the carrier /
duty_cycle elements).
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/rc-core.h | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 0f77b3dffb37..b6586a91129c 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -215,12 +215,9 @@ enum raw_event_type { struct ir_raw_event { union { u32 duration; - - struct { - u32 carrier; - u8 duty_cycle; - }; + u32 carrier; }; + u8 duty_cycle; unsigned pulse:1; unsigned reset:1; @@ -228,13 +225,7 @@ struct ir_raw_event { unsigned carrier_report:1; }; -#define DEFINE_IR_RAW_EVENT(event) \ - struct ir_raw_event event = { \ - { .duration = 0 } , \ - .pulse = 0, \ - .reset = 0, \ - .timeout = 0, \ - .carrier_report = 0 } +#define DEFINE_IR_RAW_EVENT(event) struct ir_raw_event event = {} static inline void init_ir_raw_event(struct ir_raw_event *ev) { @@ -256,8 +247,7 @@ void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); static inline void ir_raw_event_reset(struct rc_dev *dev) { - DEFINE_IR_RAW_EVENT(ev); - ev.reset = true; + struct ir_raw_event ev = { .reset = true }; ir_raw_event_store(dev, &ev); ir_raw_event_handle(dev); |