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Greyscale library: Put the backlight status on 1st/2nd Gen into the flags, saving a separate global.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16964 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-04-04 19:14:19 +00:00
parent 1b335ae961
commit 3183b9e534
2 changed files with 9 additions and 8 deletions
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16
apps/plugins/lib/grey_core.c
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@ -242,10 +242,8 @@ static unsigned long _grey_get_pixel(int x, int y);
static void _timer_isr(void);
#endif
#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
static bool backlight_state;
static void invert_gvalues(void)
{
unsigned char *val, *end;
@ -339,11 +337,12 @@ static unsigned long _grey_get_pixel(int x, int y)
static void _timer_isr(void)
{
#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
bool bls = _grey_info.rb->is_backlight_on(true);
unsigned long check = _grey_info.rb->is_backlight_on(true)
? 0 : _GREY_BACKLIGHT_ON;
if ((backlight_state != bls) && !(_grey_info.flags & GREY_RAWMAPPED))
if ((_grey_info.flags & (_GREY_BACKLIGHT_ON|GREY_RAWMAPPED)) == check)
{
backlight_state = bls;
_grey_info.flags ^= _GREY_BACKLIGHT_ON;
invert_gvalues();
return; /* don't overload this timer slot */
}
@ -422,7 +421,7 @@ static void fill_gvalues(void)
unsigned data;
#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
unsigned imask = backlight_state ? 0xff : 0;
unsigned imask = (_grey_info.flags & _GREY_BACKLIGHT_ON) ? 0xff : 0;
#else
const unsigned imask = 0;
#endif
@ -561,7 +560,8 @@ bool grey_init(struct plugin_api* newrb, unsigned char *gbuf, long gbuf_size,
else
{
#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
backlight_state = _grey_info.rb->is_backlight_on(true);
if (_grey_info.rb->is_backlight_on(true))
_grey_info.flags |= _GREY_BACKLIGHT_ON;
#endif
fill_gvalues();
}