[PATCH] drm/panel: panasonic-vvx10f034n00: More return value fixes

[Sean Paul]

On Thu, Jan 18, 2018 at 10:48:52AM +0000, Philippe CORNU wrote:
> Hi Sean,
> 
> Reviewed-by: Philippe Cornu <philippe.cornu at st.com>
> 
> (do you mean you write patches during meetings :o ... I never did that 
> and I will not ;-)

Haha, only the boring ones ;)

Applied to -misc. Thanks for the suggestions and reviews!

Sean

> 
> Philippe :-)
> 
> On 01/17/2018 10:37 PM, Sean Paul wrote:
> > A couple more return value fixes which Philippe brought up during our
> > previous review.
> > 
> > Suggested-by: Philippe CORNU <philippe.cornu at st.com>
> > Signed-off-by: Sean Paul <seanpaul at chromium.org>
> > ---
> >   drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c | 17 +++++------------
> >   1 file changed, 5 insertions(+), 12 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
> > index 91dc5a6b14f9..74a806121f80 100644
> > --- a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
> > +++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
> > @@ -59,35 +59,28 @@ static inline struct wuxga_nt_panel *to_wuxga_nt_panel(struct drm_panel *panel)
> >   
> >   static int wuxga_nt_panel_on(struct wuxga_nt_panel *wuxga_nt)
> >   {
> > -	struct mipi_dsi_device *dsi = wuxga_nt->dsi;
> > -	int ret;
> > -
> > -	ret = mipi_dsi_turn_on_peripheral(dsi);
> > -	if (ret < 0)
> > -		return ret;
> > -
> > -	return 0;
> > +	return mipi_dsi_turn_on_peripheral(wuxga_nt->dsi);
> >   }
> >   
> >   static int wuxga_nt_panel_disable(struct drm_panel *panel)
> >   {
> >   	struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
> > -	int ret;
> > +	int mipi_ret, bl_ret = 0;
> >   
> >   	if (!wuxga_nt->enabled)
> >   		return 0;
> >   
> > -	ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
> > +	mipi_ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
> >   
> >   	if (wuxga_nt->backlight) {
> >   		wuxga_nt->backlight->props.power = FB_BLANK_POWERDOWN;
> >   		wuxga_nt->backlight->props.state |= BL_CORE_FBBLANK;
> > -		backlight_update_status(wuxga_nt->backlight);
> > +		bl_ret = backlight_update_status(wuxga_nt->backlight);
> >   	}
> >   
> >   	wuxga_nt->enabled = false;
> >   
> > -	return ret;
> > +	return mipi_ret ? mipi_ret : bl_ret;
> >   }
> >   
> >   static int wuxga_nt_panel_unprepare(struct drm_panel *panel)
> > 

-- 
Sean Paul, Software Engineer, Google / Chromium OS