diff options
| author | Sean Young <sean@mess.org> | 2019-07-12 18:47:00 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-05 12:47:45 +0200 |
| commit | 24b7def892db0ba4aec20a90d7a0ce459cdaa7a4 (patch) | |
| tree | fd88f0a731c014c3aecdf945a637e51366f5f102 /drivers/media/rc | |
| parent | b53a9663522841231af02521c58db5081d8a1854 (diff) | |
media: mtk-cir: lower de-glitch counter for rc-mm protocol
[ Upstream commit 5dd4b89dc098bf22cd13e82a308f42a02c102b2b ]
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 <sean@mess.org>
Acked-by: Sean Wang <sean.wang@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media/rc')
| -rw-r--r-- | drivers/media/rc/mtk-cir.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/rc/mtk-cir.c b/drivers/media/rc/mtk-cir.c index e88eb64e8e69..00a4a0dfcab8 100644 --- a/drivers/media/rc/mtk-cir.c +++ b/drivers/media/rc/mtk-cir.c @@ -44,6 +44,11 @@ /* 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) @@ -411,6 +416,9 @@ 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; |