From 8a36f0bad4846b9e7d49b2c598c23c0443c2d1b5 Mon Sep 17 00:00:00 2001
From: Szymon Dziok <b0hoon@o2.pl>
Date: Sat, 6 Feb 2010 19:15:43 +0000
Subject: Packard Bell Vibe 500: touchpad code rework. Improve touch sensivity
 a bit by setting the MEP parameters in the power_init() function. Implement
 new function in synaptics-mep driver (touchpad_set_parameter) necessary for
 it. Move the button lights code to the target backlight file.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24541 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/synaptics-mep.c | 42 +++++++++++++++++++++-------------------
 1 file changed, 22 insertions(+), 20 deletions(-)

(limited to 'firmware/drivers/synaptics-mep.c')

diff --git a/firmware/drivers/synaptics-mep.c b/firmware/drivers/synaptics-mep.c
index 87b78d09c1..d200e7ca79 100644
--- a/firmware/drivers/synaptics-mep.c
+++ b/firmware/drivers/synaptics-mep.c
@@ -580,6 +580,27 @@ int touchpad_read_device(char *data, int len)
     return val;
 }
 
+int touchpad_set_parameter(char par_nr, unsigned int param)
+{
+    char data[4];
+    int val=0;
+
+    if (syn_status)
+    {
+        syn_enable_int(false);
+
+        data[0]=0x03; /* header - addr:0,global:0,control:0,len:3 */
+        data[1]=0x40+par_nr; /* parameter number */
+        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 */
+
+        syn_enable_int(true);
+    }
+    return val;
+}
+
 int touchpad_set_buttonlights(unsigned int led_mask, char brightness)
 {
     char data[6];
@@ -588,26 +609,7 @@ int touchpad_set_buttonlights(unsigned int led_mask, char brightness)
     if (syn_status)
     {
         syn_enable_int(false);
-#if defined(PBELL_VIBE500)
-        /* In Packard Bell Vibe 500 leds are controlled through the MEP parameters 0x62 - 0x63 
-           There is no 0x31 order - grup led control */
-
-        /* Make sure we have a led_block_mask = 0 - obtained experimentally */
-        data[0] = 0x03; /* header - addr:0,global:0,control:0,len:3 */
-        data[1] = 0x63; /* parameter nr: 0x23 (-0x40) - led_block_mask */
-        data[2] = 0x00; /* par_hi = 0 */
-        data[3] = 0x00; /* par_lo = 0 */
-        syn_send(data,4);
-        val = syn_read(data, 1); /* get the simple ACK = 0x18 */
 
-        /* Turn on/off the lights (there is no brightness control) - obtained experimentally */
-        data[0] = 0x03; /* header - addr:0,global:0,control:0,len:3 */
-        data[1] = 0x62; /* parameter nr: 0x22 (-0x40) - led_mask */
-        data[2] = 0x00; /* par_hi = 0 */
-        data[3] = (led_mask & 0x0f) | (brightness&0);  /* par_lo = led_mask */ 
-        syn_send(data,4);
-        val = syn_read(data, 1); /* get the simple ACK = 0x18 */
-#else
         /* turn on all touchpad leds */
         data[0] = 0x05;
         data[1] = 0x31;
@@ -619,7 +621,7 @@ int touchpad_set_buttonlights(unsigned int led_mask, char brightness)
 
         /* device responds with a single-byte ACK packet */
         val = syn_read(data, 2);
-#endif
+
         syn_enable_int(true);
     }
 
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