MLK-11914-2 video: mipi_dsi: add the missing error code check

Add the missing error code check just as the others which
have the check.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>

diff --git a/drivers/video/fbdev/mxc/mxcfb_hx8369_wvga.c b/drivers/video/fbdev/mxc/mxcfb_hx8369_wvga.c
index 8c0cf4f..285f7e7 100644 (file)
--- a/drivers/video/fbdev/mxc/mxcfb_hx8369_wvga.c
+++ b/drivers/video/fbdev/mxc/mxcfb_hx8369_wvga.c
@@ -385,6 +385,7 @@ int mipid_hx8369_lcd_setup(struct mipi_dsi_info *mipi_dsi)
 
 static int mipid_bl_update_status(struct backlight_device *bl)
 {
+       int err;
        u32 buf;
        int brightness = bl->props.brightness;
        struct mipi_dsi_info *mipi_dsi = bl_get_data(bl);
@@ -395,8 +396,9 @@ static int mipid_bl_update_status(struct backlight_device *bl)
 
        buf = HX8369_CMD_WRT_DISP_BRIGHT |
                        ((brightness & HX8369BL_MAX_BRIGHT) << 8);
-       mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
+       err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
                &buf, 0);
+       CHECK_RETCODE(err);
 
        hx8369bl_brightness = brightness & HX8369BL_MAX_BRIGHT;