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rawmidi: clarify no_active_sensing doc: output-only, does not filter input
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Fixes: https://github.com/alsa-project/alsa-lib/issues/29

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2026-05-28 12:16:04 +02:00
parent d2499b16c6
commit 29aa1a26b9
1 changed files with 7 additions and 3 deletions
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10
src/rawmidi/rawmidi.c
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@ -811,11 +811,15 @@ size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params)
}
/**
* \brief set no-active-sensing action on snd_rawmidi_close()
* \brief control whether an Active Sensing byte is sent on output close
* \param rawmidi RawMidi handle
* \param params pointer to snd_rawmidi_params_t structure
* \param val value: 0 = enable to send the active sensing message, 1 = disable
* \param val 0 = send Active Sensing (0xFE) when the output stream is closed,
* 1 = suppress it (default)
* \return 0 on success otherwise a negative error code
*
* This setting applies to the \b output direction only. It does not filter
* or suppress incoming Active Sensing messages received on an input stream.
*/
#ifndef DOXYGEN
int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rawmidi ATTRIBUTE_UNUSED, snd_rawmidi_params_t *params, int val)
@ -831,7 +835,7 @@ int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rawmidi, snd_rawmidi
/**
* \brief get no-active-sensing action status
* \param params pointer to snd_rawmidi_params_t structure
* \return the current status (0 = enable, 1 = disable the active sensing message)
* \return 0 if an Active Sensing byte will be sent on output close, 1 if suppressed
*/
int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params)
{