From 201574d689b9144382bf9dfeb8fbce0565391e86 Mon Sep 17 00:00:00 2001 From: Szymon Dziok Date: Sun, 11 Sep 2011 12:21:01 +0000 Subject: HDD6330: Fix random issues with the button light (MENU button sometimes does not light up). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30505 a1c6a512-1295-4272-9138-f99709370657 --- firmware/drivers/synaptics-mep.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'firmware/drivers') diff --git a/firmware/drivers/synaptics-mep.c b/firmware/drivers/synaptics-mep.c index 98c8829ead..48139534f2 100644 --- a/firmware/drivers/synaptics-mep.c +++ b/firmware/drivers/synaptics-mep.c @@ -590,7 +590,7 @@ int touchpad_read_device(char *data, int len) int touchpad_set_parameter(char mod_nr, char par_nr, unsigned int param) { char data[4]; - int val=0; + int i, val=0; if (syn_status) { @@ -601,7 +601,16 @@ int touchpad_set_parameter(char mod_nr, char par_nr, unsigned int param) data[2]=(param >> 8) & 0xff; /* param_hi */ data[3]=param & 0xff; /* param_lo */ syn_send(data,4); - val=syn_read(data,1); /* get the simple ACK = 0x18 */ + val=syn_read(data,4); /* try to get the simple ACK = 0x18 */ + + /* modules > 0 sometimes don't give ACK immediately but other packets like */ + /* absolute from the scroll strip, so it has to be ignored until we receive ACK */ + if ((mod_nr > 0) && ((data[0] & 7) != 0)) + for (i = 0; i < 2; i++) + { + val=syn_read(data,4); + if (data[0] == 0x18) break; + } syn_enable_int(true); } -- cgit v1.2.3