The pulse8 dongle has some quirky behaviors when in autonomous mode. Document these. Signed-off-by: Johan Fjeldtvedt <jaffe1@xxxxxxxxx> --- drivers/staging/media/pulse8-cec/pulse8-cec.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/staging/media/pulse8-cec/pulse8-cec.c b/drivers/staging/media/pulse8-cec/pulse8-cec.c index 37c8418..aa679a3 100644 --- a/drivers/staging/media/pulse8-cec/pulse8-cec.c +++ b/drivers/staging/media/pulse8-cec/pulse8-cec.c @@ -10,6 +10,29 @@ * this archive for more details. */ +/* + * Notes: + * + * - Devices with firmware version < 2 do not store their configuration in + * EEPROM. + * + * - In autonomous mode, only messages from a TV will be acknowledged, even + * polling messages. Upon receiving a message from a TV, the dongle will + * respond to messages from any logical address. + * + * - In autonomous mode, the dongle will by default reply Feature Abort + * [Unrecognized Opcode] when it receives Give Device Vendor ID. It will + * however observe vendor ID's reported by other devices and possibly + * alter this behavior. When TV's (and TV's only) report that their vendor ID + * is LG (0x00e091), the dongle will itself reply that it has the same vendor + * ID, and it will respond to at least one vendor specific command. + * + * - In autonomous mode, the dongle is known to attempt wakeup if it receives + * <User Control Pressed> ["Power On"], ["Power] or ["Power Toggle"], or if it + * receives <Set Stream Path> with its own physical address. It also does this + * if it receives <Vendor Specific Command> [0x03 0x00] from an LG TV. + */ + #include <linux/completion.h> #include <linux/init.h> #include <linux/interrupt.h> -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
