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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2016-06-24 08:39:04 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-08 23:13:37 +0300 |
| commit | 594ccee6f09bc5253dbeddcc7904f0b7509f00f9 (patch) | |
| tree | 5cd23fb130af3060384c8d1db82232c3106d069e /drivers/media/rc/nuvoton-cir.c | |
| parent | cb48b3698f9d827039cebd9ede29b8ef84b2cbba (diff) | |
| download | linux-594ccee6f09bc5253dbeddcc7904f0b7509f00f9.tar.xz | |
[media] media: rc: nuvoton: clean up initialization of wakeup registers
The registers defining wakeup sequence handling are set when the
wakeup sequence is set via sysfs. There's no need to initialize them
otherwise.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/rc/nuvoton-cir.c')
| -rw-r--r-- | drivers/media/rc/nuvoton-cir.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index 25f9affd7329..c16515f347b9 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -564,34 +564,15 @@ static void nvt_cir_regs_init(struct nvt_dev *nvt) static void nvt_cir_wake_regs_init(struct nvt_dev *nvt) { - /* set number of bytes needed for wake from s3 (default 65) */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_FIFO_CMP_BYTES, - CIR_WAKE_FIFO_CMP_DEEP); - - /* set tolerance/variance allowed per byte during wake compare */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_CMP_TOLERANCE, - CIR_WAKE_FIFO_CMP_TOL); - - /* set sample limit count (PE interrupt raised when reached) */ - nvt_cir_wake_reg_write(nvt, CIR_RX_LIMIT_COUNT >> 8, CIR_WAKE_SLCH); - nvt_cir_wake_reg_write(nvt, CIR_RX_LIMIT_COUNT & 0xff, CIR_WAKE_SLCL); - - /* set cir wake fifo rx trigger level (currently 67) */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_FIFOCON_RX_TRIGGER_LEV, - CIR_WAKE_FIFOCON); - /* - * Enable TX and RX, specific carrier on = low, off = high, and set - * sample period (currently 50us) + * Disable RX, set specific carrier on = low, off = high, + * and sample period (currently 50us) */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_IRCON_MODE0 | CIR_WAKE_IRCON_RXEN | + nvt_cir_wake_reg_write(nvt, CIR_WAKE_IRCON_MODE0 | CIR_WAKE_IRCON_R | CIR_WAKE_IRCON_RXINV | CIR_WAKE_IRCON_SAMPLE_PERIOD_SEL, CIR_WAKE_IRCON); - /* clear cir wake rx fifo */ - nvt_clear_cir_wake_fifo(nvt); - /* clear any and all stray interrupts */ nvt_cir_wake_reg_write(nvt, 0xff, CIR_WAKE_IRSTS); |