staging: fbtft: A bit more information on dev_err.

Adds a bit more information on debug.
The line break was to avoid obfuscating the parameters on the end of a large line.

Signed-off-by: Leonardo Brás <leobras.c@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/fbtft/fb_ssd1351.c b/drivers/staging/fbtft/fb_ssd1351.c
index e077b3d..ba78a77 100644 (file)
--- a/drivers/staging/fbtft/fb_ssd1351.c
+++ b/drivers/staging/fbtft/fb_ssd1351.c
@@ -126,14 +126,16 @@ static int set_gamma(struct fbtft_par *par, u32 *curves)
        for (i = 0; i < 63; i++) {
                if (i > 0 && curves[i] < 2) {
                        dev_err(par->info->device,
-                               "Illegal value in Grayscale Lookup Table at index %d. Must be greater than 1\n", i);
+                               "Illegal value in Grayscale Lookup Table at index %d : %d. Must be greater than 1\n",
+                               i, curves[i]);
                        return -EINVAL;
                }
                acc += curves[i];
                tmp[i] = acc;
                if (acc > 180) {
                        dev_err(par->info->device,
-                               "Illegal value(s) in Grayscale Lookup Table. At index=%d, the accumulated value has exceeded 180\n", i);
+                               "Illegal value(s) in Grayscale Lookup Table. At index=%d : %d, the accumulated value has exceeded 180\n",
+                               i, acc);
                        return -EINVAL;
                }
        }