diff options
author | Lawrence Rust <lvr@softsystem.co.uk> | 2011-04-08 09:50:45 -0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-21 15:13:31 -0700 |
commit | 55285e0fd90b9cf00276f66bb491e28ecdee11d9 (patch) | |
tree | 8f419de10f03582989a6b6504c7b0848eb7f856f | |
parent | c0f0a12212ed64f082b3700dab1f8e72f6227004 (diff) |
Fix cx88 remote control input
commit 2a164d02dd34c6b49a3f0995900e0f8af102b804 upstream.
In the IR interrupt handler of cx88-input.c there's a 32-bit multiply
overflow which causes IR pulse durations to be incorrectly calculated.
This is a regression caused by commit 2997137be8eba.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r-- | drivers/media/video/cx88/cx88-input.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index ac4f8e0750e..67a2b086101 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -523,7 +523,7 @@ void cx88_ir_irq(struct cx88_core *core) for (todo = 32; todo > 0; todo -= bits) { ev.pulse = samples & 0x80000000 ? false : true; bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); - ev.duration = (bits * NSEC_PER_SEC) / (1000 * ir_samplerate); + ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate; ir_raw_event_store_with_filter(ir->dev, &ev); samples <<= bits; } |