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lcd: allow overriding lcd_get_size()
Remove the redundant lcd_line_length initialisation which
sneaked in when an earlier version of the patch of commit
6d330719
has been rebased.
Some lcd drivers need to setup lcd_line_length not from the
panel_info parameters but by different means. Make the
lcd_get_size() weak to allow setting lcd_line_length in
a driver specific way.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Stephen Warren <swarren@wwwdotorg.org>
This commit is contained in:
parent
e2788afe67
commit
cefa471712
1 changed files with 7 additions and 3 deletions
10
common/lcd.c
10
common/lcd.c
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@ -386,8 +386,13 @@ static void test_pattern(void)
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/************************************************************************/
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/* ** GENERIC Initialization Routines */
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/************************************************************************/
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int lcd_get_size(int *line_length)
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/*
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* With most lcd drivers the line length is set up
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* by calculating it from panel_info parameters. Some
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* drivers need to calculate the line length differently,
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* so make the function weak to allow overriding it.
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*/
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__weak int lcd_get_size(int *line_length)
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{
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*line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
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return *line_length * panel_info.vl_row;
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@ -495,7 +500,6 @@ static int lcd_init(void *lcdbase)
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debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
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lcd_get_size(&lcd_line_length);
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lcd_line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
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lcd_is_enabled = 1;
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lcd_clear();
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lcd_enable();
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