From 71a62f9e0c4e6fba179e06d95a481fc9cce24e86 Mon Sep 17 00:00:00 2001
From: Philipp Zabel <philipp.zabel@gmail.com>
Date: Sun, 26 Oct 2014 12:57:34 +0100
Subject: [PATCH] mensactrl: Remove superfluous brightness subframe offset
offs only contributes to the row address, which is the same regardless
of the selected brightness subframe.
---
src/mensactrl.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/src/mensactrl.c b/src/mensactrl.c
index c8e70ee..817ae54 100644
--- a/src/mensactrl.c
+++ b/src/mensactrl.c
@@ -76,14 +76,13 @@ static int blit_fullscreen(struct mensa_fb *mensafb)
uint16_t val;
uint16_t *fbline;
- offs = 0;
fbline = mensafb->fbmem;
for (b = 0; b < BRIGHT_LEVELS - 1; b++) {
thresh = 255 * (b + 1) / BRIGHT_LEVELS;
for (l = 0; l < mensafb->hmodules * LINES_PER_MODULE * ROWS_PER_LINE; l++) {
r = l / (mensafb->hmodules * LINES_PER_MODULE) + ((l & 1) ? 0 : ROWS_PER_LINE);
c = mensafb->x_res - 1 - ((l % (mensafb->hmodules * LINES_PER_MODULE)) / LINES_PER_MODULE * COLS_PER_MODULE);
- row_addr = ((6 + (offs + l * COLS_PER_MODULE) / (mensafb->x_res * LINES_PER_MODULE)) % ROWS_PER_LINE) << 5;
+ row_addr = ((6 + (l * COLS_PER_MODULE) / (mensafb->x_res * LINES_PER_MODULE)) % ROWS_PER_LINE) << 5;
for (pos = 0; pos < COLS_PER_MODULE; pos++, c--) {
val = row_addr;
for (i = 0; i < mensafb->vmodules; i++) {
@@ -94,7 +93,6 @@ static int blit_fullscreen(struct mensa_fb *mensafb)
}
fbline += COLS_PER_MODULE;
}
- offs += LINES_PER_MODULE * ROWS_PER_LINE * COLS_PER_MODULE * mensafb->hmodules;
}
return 0;
}
--
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