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authorHeiner Kallweit <hkallweit1@gmail.com>2016-06-24 08:39:04 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-08 23:13:37 +0300
commit594ccee6f09bc5253dbeddcc7904f0b7509f00f9 (patch)
tree5cd23fb130af3060384c8d1db82232c3106d069e /drivers/media/rc/nuvoton-cir.c
parentcb48b3698f9d827039cebd9ede29b8ef84b2cbba (diff)
downloadlinux-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.c25
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);