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Add HAVE_LINEOUT_DETECTION and associated logic

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This allows targets to automatically switch audio settings when the
line out is plugged/unplugged.

Only hooked up on the xDuoo X3, but there are other potential users.

Change-Id: Ic46a329bc955cca2e2ad0335ca16295eab24ad59
This commit is contained in:
Solomon Peachy 2019-01-03 20:46:54 -05:00
parent 100f4338de
commit d24edc605b
7 changed files with 110 additions and 28 deletions
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13
firmware/target/mips/ingenic_jz47xx/xduoo_x3/sadc-xduoo_x3.c
View file

@ -53,6 +53,13 @@ bool headphones_inserted(void)
return (__gpio_get_pin(PIN_PH_DECT) != 0);
}
bool lineout_inserted(void)
{
/* We want to prevent LO being "enabled" if HP is attached
to avoid potential eardrum damage */
return (__gpio_get_pin(PIN_LO_DECT) == 0) && !headphones_inserted();
}
void button_init_device(void)
{
key_val = 0xfff;
@ -72,11 +79,11 @@ void button_init_device(void)
__gpio_set_pin(PIN_CHARGE_CON); /* 0.7 A */
__gpio_as_output(PIN_CHARGE_CON);
__gpio_as_input(PIN_LO_DECT);
__gpio_as_input(PIN_PH_DECT);
__gpio_disable_pull(PIN_LO_DECT);
__gpio_disable_pull(PIN_PH_DECT);
__gpio_as_input(PIN_LO_DECT);
__gpio_disable_pull(PIN_LO_DECT);
}
bool button_hold(void)