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keypad boot init overhaul: handle initially held-down keys This change fixes two previous behavioural defects: 1) On Compal phones, the PWR key had to be released before the boot sequence would proceed at all - it was stuck in an endless IRQ loop at the point of Nucleus enabling interrupts, before anything else. 2) On both Compal and sane platforms including Luna, if some regular non-PWR key was held down at boot time, the boot sequence would proceed and complete normally, but all non-PWR keypad buttons would be dead for the remainder of that boot cycle. The fix is a generic solution - no Compal-specific hack ended up being needed for the special case of their idiotic PWON-to-ROW4 hw wiring.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 24 Sep 2021 00:47:12 +0000
parents 35f7a1dc9f7d
children
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;********************************************************************************
;*** File           : cci.pdf
;*** Creation       : Wed Mar 11 09:57:44 CST 2009
;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1
;*** Copyright      : (c) Texas Instruments AG, Berlin Germany 2002
;********************************************************************************
;*** Document Type  : Service Access Point Specification
;*** Document Name  : cci
;*** Document No.   : 8441.118.00.017
;*** Document Date  : 2003-01-13
;*** Document Status: BEING_PROCESSED
;*** Document Author: UT
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:37:42 2007"
PRAGMA 	LAST_MODIFIED 	"2003-01-13"
PRAGMA 	ID_AND_VERSION 	"8441.118.00.017"






VALTAB 	VAL_algo_type
VAL 	0 	CCI_ALGO_V42 	"V42bis algorithm"

VALTAB 	VAL_comp_inst
VAL 	0 	CCI_COMP_INST_V42_0 	"first instance for V42bis"




VAR 	algo_type 	"algorithm type" 	B

VAL 	@p_cci - VAL_algo_type@ 	

VAR 	comp_inst 	"compressor instance" 	B

VAL 	@p_cci - VAL_comp_inst@ 	







; CCI_INIT_REQ 	0x3604



PRIM 	CCI_INIT_REQ 	0x3604
{
 	algo_type 	 ; algorithm type
 	comp_inst 	 ; compressor instance
}