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SubjectRe: [PATCH] fbdev: ssd1307fb: return proper error code if write command fails
Hi,

Thanks for doing this,

On Wed, Jan 14, 2015 at 08:24:49AM +0000, Lad, Prabhakar wrote:
> this patch fixes ssd1307fb_ssd1306_init() function to return
> proper error codes in case of failures.
>
> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
> ---
> drivers/video/fbdev/ssd1307fb.c | 54 ++++++++++++++++++++++++++++++-----------
> 1 file changed, 40 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
> index f4daa59..528ea16 100644
> --- a/drivers/video/fbdev/ssd1307fb.c
> +++ b/drivers/video/fbdev/ssd1307fb.c
> @@ -320,7 +320,9 @@ static int ssd1307fb_ssd1306_init(struct ssd1307fb_par *par)
>
> /* Set initial contrast */
> ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CONTRAST);
> - ret = ret & ssd1307fb_write_cmd(par->client, 0x7f);
> + if (ret < 0)
> + return ret;

A newline here (and to all the subsequent changes) would be great.

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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