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ucm: Introduce "Value {}" section, more implementation work

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- new "Value {}" section is introduced for read-only values
  describing the PCM and control/mixer IDs (or any other
  things)
- more complete implementation for API functions

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2010-09-22 14:31:15 +02:00
parent 1c79fad969
commit 404cd090b2
5 changed files with 855 additions and 1335 deletions
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45
include/use-case.h
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@ -179,9 +179,10 @@ char *snd_use_case_identifier(const char *fmt, ...);
/**
* \brief Free a string list
* \param list The string list to free
* \param items Count of strings
* \return Zero if success, otherwise a negative error code
*/
int snd_use_case_free_list(const char *list[]);
int snd_use_case_free_list(const char *list[], int items);
/**
* \brief Obtain a list of entries
@ -192,14 +193,14 @@ int snd_use_case_free_list(const char *list[]);
*
* Defined identifiers:
* NULL - get card list
* (in pair verb+comment)
* (in pair cardname+comment)
* _verbs - get verb list
* (in pair verb+comment)
* _devices[/<verb>] - get list of supported devices
* (in pair device+comment)
* _modifiers[/<verb>]- get list of supported modifiers
* (in pair modifier+comment)
* _tqs[/<verb>] - get list of QoS identifiers
* TQ[/<verb>] - get list of TQ identifiers
* _enadevs - get list of enabled devices
* _enamods - get list of enabled modifiers
*
@ -222,20 +223,19 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
* Known identifiers:
* NULL - return current card
* _verb - return current verb
* _tq - return current Tone Quality
* _tq/<modifier> - return Tone Quality for given modifier
* _pcm_/_pdevice[/<modifier>] - full PCM playback device name
* _pcm_/_cdevice[/<modifier>] - full PCM capture device name
* _ctl_/_pctl_[/<modifier>] - playback control device name
* _ctl_/_pctlvol[/<modifier>] - playback control volume ID string
* _ctl_/_pctlsw[/<modifier>] - playback control switch ID string
* _ctl_/_cctl[/<modifier>] - capture control device name
* _ctl_/_cctlvol[/<modifier>] - capture control volume ID string
* _ctl_/_cctlsw[/<modifier>] - capture control switch ID string
* _mixer_/_pname[/<modifier>] - name of playback mixer
* _mixer_/_pid[/<modifier>] - mixer playback ID
* _mixer_/_cname[/<modifier>] - name of capture mixer
* _mixer_/_cid[/<modifier>] - mixer capture ID
* TQ[/<modifier>] - Tone Quality [for given modifier]
* PlaybackPCM[/<modifier>] - full PCM playback device name
* CapturePCM[/<modifier>] - full PCM capture device name
* PlaybackCTL[/<modifier>] - playback control device name
* PlaybackVolume[/<modifier>] - playback control volume ID string
* PlaybackSwitch[/<modifier>] - playback control switch ID string
* CaptureCTL[/<modifier>] - capture control device name
* CaptureVolume[/<modifier>] - capture control volume ID string
* CaptureSwitch[/<modifier>] - capture control switch ID string
* PlaybackMixer[/<modifier>] - name of playback mixer
* PlaybackMixerID[/<modifier>] - mixer playback ID
* CaptureMixer[/<modifier>] - name of capture mixer
* CaptureMixerID[/<modifier>] - mixer capture ID
*/
int snd_use_case_get(snd_use_case_mgr_t *uc_mgr,
const char *identifier,
@ -251,8 +251,8 @@ int snd_use_case_get(snd_use_case_mgr_t *uc_mgr,
* _devstatus/<device> - return status for given device
* _modstatus/<modifier> - return status for given modifier
*/
int snd_use_case_geti(snd_use_case_mgr_t *uc_mgr,
const char *identifier);
long snd_use_case_geti(snd_use_case_mgr_t *uc_mgr,
const char *identifier);
/**
* \brief Set new
@ -310,13 +310,6 @@ int snd_use_case_mgr_close(snd_use_case_mgr_t *uc_mgr);
*/
int snd_use_case_mgr_reset(snd_use_case_mgr_t *uc_mgr);
/**
* \brief Dump current sound card use case control settings
* \param card_name Sound card name
* \return zero if success, otherwise a negative error code
*/
int snd_use_case_dump(const char *card_name);
/**
* \}
*/