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path: root/drivers/video/fbdev/ssd1307fb.c
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Diffstat (limited to 'drivers/video/fbdev/ssd1307fb.c')
-rw-r--r--drivers/video/fbdev/ssd1307fb.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 09425ec317ba..eda448b7a0c9 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -74,6 +74,7 @@ struct ssd1307fb_par {
struct fb_info *info;
u8 lookup_table[4];
u32 page_offset;
+ u32 col_offset;
u32 prechargep1;
u32 prechargep2;
struct pwm_device *pwm;
@@ -458,11 +459,11 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, 0x0);
+ ret = ssd1307fb_write_cmd(par->client, par->col_offset);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, par->width - 1);
+ ret = ssd1307fb_write_cmd(par->client, par->col_offset + par->width - 1);
if (ret < 0)
return ret;
@@ -626,6 +627,9 @@ static int ssd1307fb_probe(struct i2c_client *client)
if (device_property_read_u32(dev, "solomon,page-offset", &par->page_offset))
par->page_offset = 1;
+ if (device_property_read_u32(dev, "solomon,col-offset", &par->col_offset))
+ par->col_offset = 0;
+
if (device_property_read_u32(dev, "solomon,com-offset", &par->com_offset))
par->com_offset = 0;