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media: mtk-cir: simplify code

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Re-write without unnecessary shifts.

Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Sean Young 2022-01-15 11:08:14 +01:00 committed by Mauro Carvalho Chehab
parent 6a554bb565
commit 7dc5fc6d3b
1 changed files with 5 additions and 4 deletions
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9
drivers/media/rc/mtk-cir.c
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@ -203,10 +203,10 @@ static inline void mtk_irq_enable(struct mtk_ir *ir, u32 mask)
static irqreturn_t mtk_ir_irq(int irqno, void *dev_id)
{
struct mtk_ir *ir = dev_id;
u8 wid = 0;
u32 i, j, val;
struct ir_raw_event rawir = {};
struct mtk_ir *ir = dev_id;
u32 i, j, val;
u8 wid;
/*
* Each pulse and space is encoded as a single byte, each byte
@ -228,7 +228,8 @@ static irqreturn_t mtk_ir_irq(int irqno, void *dev_id)
dev_dbg(ir->dev, "@reg%d=0x%08x\n", i, val);
for (j = 0 ; j < 4 ; j++) {
wid = (val & (MTK_WIDTH_MASK << j * 8)) >> j * 8;
wid = val & MTK_WIDTH_MASK;
val >>= 8;
rawir.pulse = !rawir.pulse;
rawir.duration = wid * (MTK_IR_SAMPLE + 1);
ir_raw_event_store_with_filter(ir->rc, &rawir);