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IAP: Reset IAP state upon headphone or dock unplug

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Provides a semi-automatic way of recovering from desynchronization

Change-Id: I527b0bacc22ef38c1e7213653e522ea1b0ac155d
This commit is contained in:
Solomon Peachy 2025-08-06 14:26:34 -04:00
parent 80eca90481
commit 472a6a69c6
5 changed files with 93 additions and 15 deletions
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11
firmware/drivers/button.c
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@ -45,6 +45,10 @@
#include "lcd.h" /* lcd_active() prototype */
#endif
#if defined(IPOD_ACCESSORY_PROTOCOL) && (defined(IPOD_COLOR) || defined(IPOD_4G) || defined(IPOD_MINI) || defined(IPOD_MINI2G))
#include "iap.h"
#endif
static long lastbtn; /* Last valid button status */
static long last_read; /* Last button status, for debouncing/filtering */
static bool flipped; /* buttons can be flipped to match the LCD flip */
@ -102,6 +106,12 @@ static int hp_detect_callback(struct timeout *tmo)
/* Try to post only transistions */
const long id = tmo->data ? SYS_PHONE_PLUGGED : SYS_PHONE_UNPLUGGED;
button_queue_post_remove_head(id, 0);
#if defined(IPOD_ACCESSORY_PROTOCOL) && (defined(IPOD_COLOR) || defined(IPOD_4G) || defined(IPOD_MINI) || defined(IPOD_MINI2G))
if (id == SYS_PHONE_UNPLUGGED)
iap_reset_state(1);
#endif
return 0;
/*misc.c:hp_unplug_change*/
}
@ -113,6 +123,7 @@ static int lo_detect_callback(struct timeout *tmo)
/* Try to post only transistions */
const long id = tmo->data ? SYS_LINEOUT_PLUGGED : SYS_LINEOUT_UNPLUGGED;
button_queue_post_remove_head(id, 0);
return 0;
/*misc.c:lo_unplug_change*/
}