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media: nuvoton-cir: remove setting tx carrier functions

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Since this driver could never transmit IR, setting the tx carrier makes
no sense.

Fixes: 87284271b7 ("media: rc: nuvoton: remove rudimentary transmit functionality")
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sean Young 2020-06-16 11:49:42 +02:00 committed by Mauro Carvalho Chehab
parent 29af79e17b
commit 3fd63734bc
1 changed files with 0 additions and 32 deletions
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32
drivers/media/rc/nuvoton-cir.c
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@ -74,13 +74,6 @@ static inline void nvt_set_reg_bit(struct nvt_dev *nvt, u8 val, u8 reg)
nvt_cr_write(nvt, tmp, reg);
}
/* clear config register bit without changing other bits */
static inline void nvt_clear_reg_bit(struct nvt_dev *nvt, u8 val, u8 reg)
{
u8 tmp = nvt_cr_read(nvt, reg) & ~val;
nvt_cr_write(nvt, tmp, reg);
}
/* enter extended function mode */
static inline int nvt_efm_enable(struct nvt_dev *nvt)
{
@ -631,30 +624,6 @@ static u32 nvt_rx_carrier_detect(struct nvt_dev *nvt)
return carrier;
}
#endif
/*
* set carrier frequency
*
* set carrier on 2 registers: CP & CC
* always set CP as 0x81
* set CC by SPEC, CC = 3MHz/carrier - 1
*/
static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier)
{
struct nvt_dev *nvt = dev->priv;
u16 val;
if (carrier == 0)
return -EINVAL;
nvt_cir_reg_write(nvt, 1, CIR_CP);
val = 3000000 / (carrier) - 1;
nvt_cir_reg_write(nvt, val & 0xff, CIR_CC);
nvt_dbg("cp: 0x%x cc: 0x%x\n",
nvt_cir_reg_read(nvt, CIR_CP), nvt_cir_reg_read(nvt, CIR_CC));
return 0;
}
static int nvt_ir_raw_set_wakeup_filter(struct rc_dev *dev,
struct rc_scancode_filter *sc_filter)
@ -1022,7 +991,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
rdev->encode_wakeup = true;
rdev->open = nvt_open;
rdev->close = nvt_close;
rdev->s_tx_carrier = nvt_set_tx_carrier;
rdev->s_wakeup_filter = nvt_ir_raw_set_wakeup_filter;
rdev->device_name = "Nuvoton w836x7hg Infrared Remote Transceiver";
rdev->input_phys = "nuvoton/cir0";