From 5dd4b89dc098bf22cd13e82a308f42a02c102b2b Mon Sep 17 00:00:00 2001 From: Sean Young Date: Fri, 12 Jul 2019 18:47:00 -0400 Subject: media: mtk-cir: lower de-glitch counter for rc-mm protocol The rc-mm protocol can't be decoded by the mtk-cir since the de-glitch filter removes pulses/spaces shorter than 294 microseconds. Tested on a BananaPi R2. Signed-off-by: Sean Young Acked-by: Sean Wang Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/mtk-cir.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/media/rc') diff --git a/drivers/media/rc/mtk-cir.c b/drivers/media/rc/mtk-cir.c index de4e411bd22a..99a3f1e773c6 100644 --- a/drivers/media/rc/mtk-cir.c +++ b/drivers/media/rc/mtk-cir.c @@ -35,6 +35,11 @@ /* Fields containing pulse width data */ #define MTK_WIDTH_MASK (GENMASK(7, 0)) +/* IR threshold */ +#define MTK_IRTHD 0x14 +#define MTK_DG_CNT_MASK (GENMASK(12, 8)) +#define MTK_DG_CNT(x) ((x) << 8) + /* Bit to enable interrupt */ #define MTK_IRINT_EN BIT(0) @@ -398,6 +403,9 @@ static int mtk_ir_probe(struct platform_device *pdev) mtk_w32_mask(ir, val, ir->data->fields[MTK_HW_PERIOD].mask, ir->data->fields[MTK_HW_PERIOD].reg); + /* Set de-glitch counter */ + mtk_w32_mask(ir, MTK_DG_CNT(1), MTK_DG_CNT_MASK, MTK_IRTHD); + /* Enable IR and PWM */ val = mtk_r32(ir, MTK_CONFIG_HIGH_REG); val |= MTK_OK_COUNT(ir->data->ok_count) | MTK_PWM_EN | MTK_IR_EN; -- cgit v1.2.3