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Subject: media: mtk-cir: simplify code Author: Sean Young <[email protected]> Date: Sat Jan 15 11:08:14 2022 +0100 Re-write without unnecessary shifts. Cc: Sean Wang <[email protected]> Cc: Matthias Brugger <[email protected]> Signed-off-by: Sean Young <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/rc/mtk-cir.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- diff --git a/drivers/media/rc/mtk-cir.c b/drivers/media/rc/mtk-cir.c index 1255e3afb032..27b7412d02a5 100644 --- a/drivers/media/rc/mtk-cir.c +++ b/drivers/media/rc/mtk-cir.c @@ -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 ir_raw_event rawir = {}; struct mtk_ir *ir = dev_id; - u8 wid = 0; u32 i, j, val; - struct ir_raw_event rawir = {}; + 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); _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
