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audio_device: Store rhport in interface data

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Some API uses interface number as argument, some wants to have
rhport.
To accommodate need of rhport for functions that don't have it
rhport can be extracted from interface data.
This commit is contained in:
Jerzy Kasenberg 2020-09-11 13:13:25 +02:00
parent f4a44ee063
commit e67fc808aa
1 changed files with 2 additions and 0 deletions
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2
src/class/audio/audio_device.c
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@ -48,6 +48,7 @@
//--------------------------------------------------------------------+
typedef struct
{
uint8_t rhport;
uint8_t const * p_desc; // Pointer pointing to Standard AC Interface Descriptor(4.7.1) - Audio Control descriptor defining audio function
#if CFG_TUD_AUDIO_EPSIZE_IN
@ -673,6 +674,7 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
if (!_audiod_itf[i].p_desc)
{
_audiod_itf[i].p_desc = (uint8_t const *)itf_desc; // Save pointer to AC descriptor which is by specification always the first one
_audiod_itf[i].rhport = rhport;
break;
}
}