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- What: /sys/class/rc/
- Date: Apr 2010
- KernelVersion: 2.6.35
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- The rc/ class sub-directory belongs to the Remote Controller
- core and provides a sysfs interface for configuring infrared
- remote controller receivers.
- What: /sys/class/rc/rcN/
- Date: Apr 2010
- KernelVersion: 2.6.35
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- A /sys/class/rc/rcN directory is created for each remote
- control receiver device where N is the number of the receiver.
- What: /sys/class/rc/rcN/protocols
- Date: Jun 2010
- KernelVersion: 2.6.36
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- Reading this file returns a list of available protocols,
- something like:
- "rc5 [rc6] nec jvc [sony]"
- Enabled protocols are shown in [] brackets.
- Writing "+proto" will add a protocol to the list of enabled
- protocols.
- Writing "-proto" will remove a protocol from the list of enabled
- protocols.
- Writing "proto" will enable only "proto".
- Writing "none" will disable all protocols.
- Write fails with EINVAL if an invalid protocol combination or
- unknown protocol name is used.
- What: /sys/class/rc/rcN/filter
- Date: Jan 2014
- KernelVersion: 3.15
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- Sets the scancode filter expected value.
- Use in combination with /sys/class/rc/rcN/filter_mask to set the
- expected value of the bits set in the filter mask.
- If the hardware supports it then scancodes which do not match
- the filter will be ignored. Otherwise the write will fail with
- an error.
- This value may be reset to 0 if the current protocol is altered.
- What: /sys/class/rc/rcN/filter_mask
- Date: Jan 2014
- KernelVersion: 3.15
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- Sets the scancode filter mask of bits to compare.
- Use in combination with /sys/class/rc/rcN/filter to set the bits
- of the scancode which should be compared against the expected
- value. A value of 0 disables the filter to allow all valid
- scancodes to be processed.
- If the hardware supports it then scancodes which do not match
- the filter will be ignored. Otherwise the write will fail with
- an error.
- This value may be reset to 0 if the current protocol is altered.
- What: /sys/class/rc/rcN/wakeup_protocols
- Date: Feb 2014
- KernelVersion: 3.15
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- Reading this file returns a list of available protocols to use
- for the wakeup filter, something like:
- "rc5 rc6 nec jvc [sony]"
- The enabled wakeup protocol is shown in [] brackets.
- Writing "+proto" will add a protocol to the list of enabled
- wakeup protocols.
- Writing "-proto" will remove a protocol from the list of enabled
- wakeup protocols.
- Writing "proto" will use "proto" for wakeup events.
- Writing "none" will disable wakeup.
- Write fails with EINVAL if an invalid protocol combination or
- unknown protocol name is used, or if wakeup is not supported by
- the hardware.
- What: /sys/class/rc/rcN/wakeup_filter
- Date: Jan 2014
- KernelVersion: 3.15
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- Sets the scancode wakeup filter expected value.
- Use in combination with /sys/class/rc/rcN/wakeup_filter_mask to
- set the expected value of the bits set in the wakeup filter mask
- to trigger a system wake event.
- If the hardware supports it and wakeup_filter_mask is not 0 then
- scancodes which match the filter will wake the system from e.g.
- suspend to RAM or power off.
- Otherwise the write will fail with an error.
- This value may be reset to 0 if the wakeup protocol is altered.
- What: /sys/class/rc/rcN/wakeup_filter_mask
- Date: Jan 2014
- KernelVersion: 3.15
- Contact: Mauro Carvalho Chehab <m.chehab@samsung.com>
- Description:
- Sets the scancode wakeup filter mask of bits to compare.
- Use in combination with /sys/class/rc/rcN/wakeup_filter to set
- the bits of the scancode which should be compared against the
- expected value to trigger a system wake event.
- If the hardware supports it and wakeup_filter_mask is not 0 then
- scancodes which match the filter will wake the system from e.g.
- suspend to RAM or power off.
- Otherwise the write will fail with an error.
- This value may be reset to 0 if the wakeup protocol is altered.
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