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goodixmoc: support power button shield feature

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Some OEM will integrate fingerprint device with powerButton. It's
possible that a user may press the power button during fingerprint
enroll or identify. This would lead to unintended PC shutdown or
hibernation. We add pwr_btn_shield cmd  and related process to shield
the power button function when the fingerprint functionality (enroll and
identify) is used and restore power button function afterwards.
This commit is contained in:
fengqiangguo
2021-02-02 09:04:45 +08:00
committed by bogerwang
parent 6a62d32c81
commit 3bb38e2ff6
6 changed files with 320 additions and 279 deletions
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libfprint/drivers/goodixmoc/goodix_proto.c
+10
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@@ -317,6 +317,16 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint16_t buffer_len, pgxfp_c
/* just check result */
break;
case MOC_CMD0_PWR_BTN_SHIELD:
presp->power_button_shield_resp.resp_cmd1 = LOBYTE (cmd);
if (buffer_len >= 2)
{
uint8_t support_pwr_shield = buffer[1];
if (support_pwr_shield == 0xFF)
g_debug ("Power button shield feature not supported!\n");
}
break;
case MOC_CMD0_GET_VERSION:
if (buffer_len < sizeof (gxfp_version_info_t) + 1)
return -1;