diff options
Diffstat (limited to 'HAL-afb/HDA-intel/IntelHdaHAL.c')
| -rw-r--r-- | HAL-afb/HDA-intel/IntelHdaHAL.c | 73 |
1 files changed, 32 insertions, 41 deletions
diff --git a/HAL-afb/HDA-intel/IntelHdaHAL.c b/HAL-afb/HDA-intel/IntelHdaHAL.c index 98ac442..f394fd6 100644 --- a/HAL-afb/HDA-intel/IntelHdaHAL.c +++ b/HAL-afb/HDA-intel/IntelHdaHAL.c @@ -13,42 +13,33 @@ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. + * + * + * To find out which control your sound card uses + * aplay -l # Check sndcard name name in between [] + * amixer -D hw:xx controls # get supported controls + * amixer -D "hw:3" cget numid=xx # get control settings + * */ #define _GNU_SOURCE #include "hal-interface.h" #include "audio-interface.h" -// Init is call after all binding are loaded -STATIC int IntelHalInit (void) { - DEBUG ("IntelHalBinding Initialised"); - - return 0; // 0=OK -} - -STATIC void MasterOnOff (alsaHalCtlMapT *control, void* handle) { +STATIC struct json_object* MasterOnOff (alsaHalCtlMapT *control, void* handle) { static int powerStatus=0; if (! powerStatus) { powerStatus = 1; - DEBUG ("Power Set to On"); + AFB_DEBUG ("Power Set to On"); } else { powerStatus = 0; - DEBUG ("Power Set to Off"); + AFB_DEBUG ("Power Set to Off"); } + + return NULL; } -/****************************************************************************************** - * alsaCtlsMap link hight level sound control with low level Alsa numid ctls. - * - * To find out which control your sound card uses - * aplay -l - * amixer -D hw:xx controls - * amixer -D hw:xx contents - * amixer -D "hw:3" cget numid=xx - * - * When automatic mapping to Alsa numid is not enough a custom callback might be used - * .cb={.handle=xxxx, .callback=(json_object)MyCtlFunction(struct afb_service service, int controle, int value, const struct alsaHalCtlMapS *map)}; - ********************************************************************************************/ +// Map HAL hight sndctl with Alsa numid and optionally with a custom callback for non Alsa supported functionalities. STATIC alsaHalMapT alsaHalMap[]= { { .alsa={.control=Master_Playback_Volume,.numid=16, .name="Master-Vol" , .values=1,.minval=0,.maxval= 87 ,.step=0}, .info= "Master Playback Volume" }, { .alsa={.control=PCM_Playback_Volume ,.numid=27, .name="Play-Vol" , .values=2,.minval=0,.maxval= 255,.step=0}, .info= "PCM Playback Volume" }, @@ -58,26 +49,26 @@ STATIC alsaHalMapT alsaHalMap[]= { { .alsa={.numid=0}, .cb={.callback=NULL, .handle=NULL}} /* marker for end of the array */ } ; -/*********************************************************************************** - * AlsaHalSndT provides - * - cardname used to map a given card to its HAL - * - ctls previously defined AlsaHalMapT control maps - * - info free text - * - * WARNING: name should fit with 'aplay -l' as it used to map from devid to HAL - * you may also retreive shortname when AudioBinder is running from a browser - * http://localhost:1234/api/alsacore/getcardid?devid=hw:xxx - * - ***********************************************************************************/ - -// API prefix should be unique for each snd card -PUBLIC const char sndCardApiPrefix[] = "intel-hda"; - -// HAL sound card controls mapping -PUBLIC alsaHalSndCardT alsaHalSndCard = { - .name = "HDA Intel PCH", +// HAL sound card mapping info +STATIC alsaHalSndCardT alsaHalSndCard = { + .name = "HDA Intel PCH", // WARNING: name MUST match with 'aplay -l' .info = "Hardware Abstraction Layer for IntelHDA sound card", .ctls = alsaHalMap, - .initCB=IntelHalInit, // if NULL no initcallback }; + +STATIC int sndServiceInit () { + int err; + AFB_DEBUG ("IntelHalBinding Init"); + + err = halServiceInit (afbBindingV2.api, &alsaHalSndCard); + return err; +} + +// API prefix should be unique for each snd card +PUBLIC const struct afb_binding_v2 afbBindingV2 = { + .api = "intel-hda", + .init = sndServiceInit, + .verbs = halServiceApi, + .onevent = halServiceEvent, +}; |