diff options
| author | Sean Young <sean@mess.org> | 2022-01-15 13:19:11 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-01-28 21:32:50 +0300 |
| commit | 68a99f6a0ebfe9101ea79ba5af1c407a5ad4f629 (patch) | |
| tree | b69aadd1e508be6ab565b8da568edc3e812e8484 /Documentation/userspace-api | |
| parent | 950170d6d2a5d3c0c959696d2440e5c8dfd02896 (diff) | |
| download | linux-68a99f6a0ebfe9101ea79ba5af1c407a5ad4f629.tar.xz | |
media: lirc: report ir receiver overflow
If the driver reports that the hardware had an overflow, report this to
userspace. It would be nice to know when this happens, and not just get
a long space.
This change has been tested with lircd, ir-ctl, and ir-keytable.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/media/lirc.h.rst.exceptions | 3 | ||||
| -rw-r--r-- | Documentation/userspace-api/media/rc/lirc-dev-intro.rst | 11 |
2 files changed, 12 insertions, 2 deletions
diff --git a/Documentation/userspace-api/media/lirc.h.rst.exceptions b/Documentation/userspace-api/media/lirc.h.rst.exceptions index ec86e82d026d..5f31e967bc50 100644 --- a/Documentation/userspace-api/media/lirc.h.rst.exceptions +++ b/Documentation/userspace-api/media/lirc.h.rst.exceptions @@ -11,12 +11,14 @@ ignore define LIRC_SPACE ignore define LIRC_PULSE ignore define LIRC_FREQUENCY ignore define LIRC_TIMEOUT +ignore define LIRC_OVERFLOW ignore define LIRC_VALUE ignore define LIRC_MODE2 ignore define LIRC_IS_SPACE ignore define LIRC_IS_PULSE ignore define LIRC_IS_FREQUENCY ignore define LIRC_IS_TIMEOUT +ignore define LIRC_IS_OVERFLOW ignore define LIRC_MODE2SEND ignore define LIRC_SEND2MODE @@ -75,6 +77,7 @@ ignore define PULSE_MASK ignore define LIRC_MODE2_SPACE ignore define LIRC_MODE2_PULSE ignore define LIRC_MODE2_TIMEOUT +ignore define LIRC_MODE2_OVERFLOW ignore define LIRC_VALUE_MASK ignore define LIRC_MODE2_MASK diff --git a/Documentation/userspace-api/media/rc/lirc-dev-intro.rst b/Documentation/userspace-api/media/rc/lirc-dev-intro.rst index 9a5e5f0aae11..d899331b943f 100644 --- a/Documentation/userspace-api/media/rc/lirc-dev-intro.rst +++ b/Documentation/userspace-api/media/rc/lirc-dev-intro.rst @@ -103,11 +103,11 @@ on the following table. ``LIRC_MODE2_PULSE`` - Signifies the presence of IR in microseconds. + Signifies the presence of IR in microseconds, also known as *flash*. ``LIRC_MODE2_SPACE`` - Signifies absence of IR in microseconds. + Signifies absence of IR in microseconds, also known as *gap*. ``LIRC_MODE2_FREQUENCY`` @@ -121,6 +121,13 @@ on the following table. to no IR being detected, this packet will be sent, with the number of microseconds with no IR. + ``LIRC_MODE2_OVERFLOW`` + + Signifies that the IR receiver encounter an overflow, and some IR + is missing. The IR data after this should be correct again. The + actual value is not important, but this is set to 0xffffff by the + kernel for compatibility with lircd. + .. _lirc-mode-pulse: ``LIRC_MODE_PULSE`` |