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path: root/drivers/video/ssd1307fb.c
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Diffstat (limited to 'drivers/video/ssd1307fb.c')
-rw-r--r--drivers/video/ssd1307fb.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/video/ssd1307fb.c b/drivers/video/ssd1307fb.c
index 9daf058917a7..04a435886855 100644
--- a/drivers/video/ssd1307fb.c
+++ b/drivers/video/ssd1307fb.c
@@ -168,23 +168,28 @@ static void ssd1307fb_update_display(struct ssd1307fb_par *par)
*/
for (i = 0; i < (par->height / 8); i++) {
+ struct ssd1307fb_array *array;
ssd1307fb_write_cmd(par->client,
SSD1307FB_START_PAGE_ADDRESS + i + par->page_offset);
ssd1307fb_write_cmd(par->client, 0x00);
ssd1307fb_write_cmd(par->client, 0x10);
+ array = ssd1307fb_alloc_array(par->width, SSD1307FB_DATA);
+
for (j = 0; j < par->width; j++) {
- u8 buf = 0;
+ array->data[j] = 0;
for (k = 0; k < 8; k++) {
u32 page_length = par->width * i;
u32 index = page_length + (par->width * k + j) / 8;
u8 byte = *(vmem + index);
u8 bit = byte & (1 << (j % 8));
bit = bit >> (j % 8);
- buf |= bit << k;
+ array->data[j] |= bit << k;
}
- ssd1307fb_write_data(par->client, buf);
}
+
+ ssd1307fb_write_array(par->client, array, par->width);
+ kfree(array);
}
}