[06/13] IR: nec decoder: fix repeat.

Message ID 1280489933-20865-7-git-send-email-maximlevitsky@gmail.com (mailing list archive)
State Superseded, archived
Headers

Commit Message

Maxim Levitsky July 30, 2010, 11:38 a.m. UTC
  Repeat space is 4 units, not 8.
Current code would never trigger a repeat.

However that isn't true for NECX, so repeat there
must be handled differently.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
---
 drivers/media/IR/ir-nec-decoder.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
  

Comments

Mauro Carvalho Chehab July 30, 2010, 7:36 p.m. UTC | #1
Em 30-07-2010 08:38, Maxim Levitsky escreveu:
> Repeat space is 4 units, not 8.
> Current code would never trigger a repeat.

Yes, this fixed the issue:

Jul 30 16:53:52 agua kernel: [24343.507577] ir_getkeycode: unknown key for scancode 0x0009
Jul 30 16:53:52 agua kernel: [24343.507588] ir_nec_decode: Repeat last key
Jul 30 16:53:52 agua kernel: [24343.507590] ir_nec_decode: NEC scancode 0x0009
Jul 30 16:53:52 agua kernel: [24343.507592] ir_getkeycode: unknown key for scancode 0x0009
Jul 30 16:53:52 agua kernel: [24343.507595] ir_nec_decode: Repeat last key
Jul 30 16:53:52 agua kernel: [24343.724242] ir_nec_decode: NEC scancode 0x0009
Jul 30 16:53:52 agua kernel: [24343.724246] ir_getkeycode: unknown key for scancode 0x0009
Jul 30 16:53:52 agua kernel: [24343.724257] ir_nec_decode: Repeat last key
Jul 30 16:53:52 agua kernel: [24343.724259] ir_nec_decode: NEC scancode 0x0009
Jul 30 16:53:52 agua kernel: [24343.724261] ir_getkeycode: unknown key for scancode 0x0009
Jul 30 16:53:52 agua kernel: [24343.724264] ir_nec_decode: Repeat last key
Jul 30 16:53:53 agua kernel: [24343.937576] ir_nec_decode: NEC scancode 0x0009
Jul 30 16:53:53 agua kernel: [24343.937580] ir_getkeycode: unknown key for scancode 0x0009
Jul 30 16:53:53 agua kernel: [24343.937592] ir_nec_decode: Repeat last key
Jul 30 16:53:53 agua kernel: [24343.937594] ir_nec_decode: NEC scancode 0x0009
Jul 30 16:53:53 agua kernel: [24343.937596] ir_getkeycode: unknown key for scancode 0x0009
Jul 30 16:53:53 agua kernel: [24343.937599] ir_nec_decode: Repeat last key

> 
> However that isn't true for NECX, so repeat there
> must be handled differently.
> 
> Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>

Please preserve Andy's reviewed-by: when re-submitting a patch.

> ---
>  drivers/media/IR/ir-nec-decoder.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
> index 52e0f37..1c0cf03 100644
> --- a/drivers/media/IR/ir-nec-decoder.c
> +++ b/drivers/media/IR/ir-nec-decoder.c
> @@ -20,7 +20,7 @@
>  #define NEC_HEADER_PULSE	(16 * NEC_UNIT)
>  #define NECX_HEADER_PULSE	(8  * NEC_UNIT) /* Less common NEC variant */
>  #define NEC_HEADER_SPACE	(8  * NEC_UNIT)
> -#define NEC_REPEAT_SPACE	(8  * NEC_UNIT)
> +#define NEC_REPEAT_SPACE	(4  * NEC_UNIT)
>  #define NEC_BIT_PULSE		(1  * NEC_UNIT)
>  #define NEC_BIT_0_SPACE		(1  * NEC_UNIT)
>  #define NEC_BIT_1_SPACE		(3  * NEC_UNIT)

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Maxim Levitsky July 30, 2010, 7:54 p.m. UTC | #2
On Fri, 2010-07-30 at 16:36 -0300, Mauro Carvalho Chehab wrote: 
> Em 30-07-2010 08:38, Maxim Levitsky escreveu:
> > Repeat space is 4 units, not 8.
> > Current code would never trigger a repeat.
> 
> Yes, this fixed the issue:
> 
> Jul 30 16:53:52 agua kernel: [24343.507577] ir_getkeycode: unknown key for scancode 0x0009
> Jul 30 16:53:52 agua kernel: [24343.507588] ir_nec_decode: Repeat last key
> Jul 30 16:53:52 agua kernel: [24343.507590] ir_nec_decode: NEC scancode 0x0009
> Jul 30 16:53:52 agua kernel: [24343.507592] ir_getkeycode: unknown key for scancode 0x0009
> Jul 30 16:53:52 agua kernel: [24343.507595] ir_nec_decode: Repeat last key
> Jul 30 16:53:52 agua kernel: [24343.724242] ir_nec_decode: NEC scancode 0x0009
> Jul 30 16:53:52 agua kernel: [24343.724246] ir_getkeycode: unknown key for scancode 0x0009
> Jul 30 16:53:52 agua kernel: [24343.724257] ir_nec_decode: Repeat last key
> Jul 30 16:53:52 agua kernel: [24343.724259] ir_nec_decode: NEC scancode 0x0009
> Jul 30 16:53:52 agua kernel: [24343.724261] ir_getkeycode: unknown key for scancode 0x0009
> Jul 30 16:53:52 agua kernel: [24343.724264] ir_nec_decode: Repeat last key
> Jul 30 16:53:53 agua kernel: [24343.937576] ir_nec_decode: NEC scancode 0x0009
> Jul 30 16:53:53 agua kernel: [24343.937580] ir_getkeycode: unknown key for scancode 0x0009
> Jul 30 16:53:53 agua kernel: [24343.937592] ir_nec_decode: Repeat last key
> Jul 30 16:53:53 agua kernel: [24343.937594] ir_nec_decode: NEC scancode 0x0009
> Jul 30 16:53:53 agua kernel: [24343.937596] ir_getkeycode: unknown key for scancode 0x0009
> Jul 30 16:53:53 agua kernel: [24343.937599] ir_nec_decode: Repeat last key
> 
> > 
> > However that isn't true for NECX, so repeat there
> > must be handled differently.
> > 
> > Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
> 
> Please preserve Andy's reviewed-by: when re-submitting a patch.

Yep, sorry about that!
Although, if I change a patch, I shouldn't preserve signed-off,
reviewed-by, lines, right?

Best regards,
Maxim Levitsky


> 
> > ---
> >  drivers/media/IR/ir-nec-decoder.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
> > index 52e0f37..1c0cf03 100644
> > --- a/drivers/media/IR/ir-nec-decoder.c
> > +++ b/drivers/media/IR/ir-nec-decoder.c
> > @@ -20,7 +20,7 @@
> >  #define NEC_HEADER_PULSE	(16 * NEC_UNIT)
> >  #define NECX_HEADER_PULSE	(8  * NEC_UNIT) /* Less common NEC variant */
> >  #define NEC_HEADER_SPACE	(8  * NEC_UNIT)
> > -#define NEC_REPEAT_SPACE	(8  * NEC_UNIT)
> > +#define NEC_REPEAT_SPACE	(4  * NEC_UNIT)
> >  #define NEC_BIT_PULSE		(1  * NEC_UNIT)
> >  #define NEC_BIT_0_SPACE		(1  * NEC_UNIT)
> >  #define NEC_BIT_1_SPACE		(3  * NEC_UNIT)
> 


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Patch

diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
index 52e0f37..1c0cf03 100644
--- a/drivers/media/IR/ir-nec-decoder.c
+++ b/drivers/media/IR/ir-nec-decoder.c
@@ -20,7 +20,7 @@ 
 #define NEC_HEADER_PULSE	(16 * NEC_UNIT)
 #define NECX_HEADER_PULSE	(8  * NEC_UNIT) /* Less common NEC variant */
 #define NEC_HEADER_SPACE	(8  * NEC_UNIT)
-#define NEC_REPEAT_SPACE	(8  * NEC_UNIT)
+#define NEC_REPEAT_SPACE	(4  * NEC_UNIT)
 #define NEC_BIT_PULSE		(1  * NEC_UNIT)
 #define NEC_BIT_0_SPACE		(1  * NEC_UNIT)
 #define NEC_BIT_1_SPACE		(3  * NEC_UNIT)