[PATCH 2/2] fbdev: ssd1307fb: check return value while setting offset
From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Date: 2015-01-08 08:18:53
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lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
this patch checks the return value of write command while setting the display offset. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> --- drivers/video/fbdev/ssd1307fb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 70e3ce8..a7ecaa6 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c@@ -342,7 +342,7 @@ static int ssd1307fb_ssd1306_init(struct ssd1307fb_par *par) /* set display offset value */ ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_DISPLAY_OFFSET); - ret = ssd1307fb_write_cmd(par->client, 0x20); + ret = ret & ssd1307fb_write_cmd(par->client, 0x20); if (ret < 0) return ret;
--
1.9.1