[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>

diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 25f9affd73297c9d5f6d4d65203ae1dc4b09166f..c16515f347b979bf5197ecf9849850833ffca2a1 100644 (file)
--- 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);