[Problem]
In some USB DACs, a terrible pop noise comes to be heard
at the start of DSD playback (in the following situations).
- play first DSD track
- change from PCM track to DSD track
- change from DSD64 track to DSD128 track (and etc...)
- seek DSD track
- Fast-Forward/Rewind DSD track
[Cause]
At the start of playback, there is a little silence.
The silence bit pattern "0x69" is required on DSD mode,
but it is not like that.
[Solution]
This patch adds DSD silence pattern to the endpoint settings.
Change-Id: I173538b84978d4136eb0dca31f12738814375604
Signed-off-by: Nobutaka Okabe <nob77413@gmail.com>
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Adding new kernel command line "enable_wol=<1|0>" will configure the WOL
features on next power off.
Change-Id: I4830aeb1651e90d4699887199000def1163fb6db
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
- set user remote wakeup key
- set ir decode protocol for wakeup
Change-Id: If083545f64d4e0b9c30bed89ce4bc9ecd37ea8ac
Signed-off-by: Joy Cho <joy.cho@hardkernel.com>
This driver helps to register the device of GPIO based IR receiver, "gpio-ir-recv"
with the gpio number and pulse trigger when driver is loading. For example,
# modprobe gpio-ir-recv
# modprobe gpioplug-ir-recv gpio_nr=473 active_low=1
Change-Id: I377be5e1d1926d0e777b7e18feef7f0d4bc45f40
Signed-off-by: Joy Cho <joy.cho@hardkernel.com>
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
This patch is to indicate when CVBS cable is connected or not, '1' as the cable
is attached and '0' otherwise. Currently CVBS cable only can be detected by
U-boot since the detection signal can be read by ADC.
Change-Id: I8fdff0cf0a2cf2bb2a94b296a1e2e5946864513d
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
These functions can be enabled using device-tree-compiler.
Refer to the following locations.
spi
/soc/cbus@ffd00000/spi@13000
/soc/cbus@ffd00000/spi@13000/spidev@0
i2c-2
/soc/cbus@ffd00000/i2c@1d000
i2c-3
/soc/cbus@ffd00000/i2c@1c000
Change-Id: I85f8b3402343a0910b902ac0f8e46f79ae6bf594
In order to access SPI-NOR flash memory from Linux kernel, new node 'spifc' is
added as 'disabled' by default. Since SPI flash memory shares the hardware bus
with eMMC, one can not be enabled when another one is enabled.
Change-Id: I7ae258dcc1b18df59dc33e8473c83f7ff0329461
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
From: Olliver Schinagl <oliver@schinagl.nl>
This patch adds a bit-banging gpio PWM driver. It makes use of hrtimers,
to allow nano-second resolution, though it obviously strongly depends on
the switching speed of the gpio pins, hrtimer and system load.
Each pwm node can have 1 or more "pwm-gpio" entries, which will be
treated as pwm's as part of a pwm chip.
Change-Id: Idd42bf6d79f8ce52275a15965b02af470f28da7c
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
The 'unifykey' is the storage only in an eMMC and not required for
other devices which does not use eMMC. Therefore, deprecated.
Change-Id: Ia59b9b53145038187bacb3f9469078f9f813278c
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
