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| author | Vladimir Zapolskiy <vz@mleia.com> | 2017-01-30 17:39:48 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2017-01-30 17:39:48 +0100 |
| commit | 6306b3a58c91806a9d9b1bf60fa66804b29beecb (patch) | |
| tree | a4f0644cab2689bae892e9185c7d687e3b5daa45 /drivers/video | |
| parent | be7367968f54b452ee221ba03458593499e040cc (diff) | |
| download | linux-6306b3a58c91806a9d9b1bf60fa66804b29beecb.tar.bz2 | |
video: ARM CLCD: use panel device node for getting backlight and mode
Having obtained panel device node in clcdfb_of_init_display() it allows to
generalize and simplify two more helper functions clcdfb_of_get_backlight()
and clcdfb_of_get_mode().
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/amba-clcd.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c index f25b5fce9991..0fab92c62828 100644 --- a/drivers/video/fbdev/amba-clcd.c +++ b/drivers/video/fbdev/amba-clcd.c @@ -624,16 +624,11 @@ static int clcdfb_snprintf_mode(char *buf, int size, struct fb_videomode *mode) mode->refresh); } -static int clcdfb_of_get_backlight(struct device_node *endpoint, +static int clcdfb_of_get_backlight(struct device_node *panel, struct clcd_panel *clcd_panel) { - struct device_node *panel; struct device_node *backlight; - panel = of_graph_get_remote_port_parent(endpoint); - if (!panel) - return -ENODEV; - /* Look up the optional backlight phandle */ backlight = of_parse_phandle(panel, "backlight", 0); if (backlight) { @@ -646,19 +641,14 @@ static int clcdfb_of_get_backlight(struct device_node *endpoint, return 0; } -static int clcdfb_of_get_mode(struct device *dev, struct device_node *endpoint, - struct clcd_panel *clcd_panel) +static int clcdfb_of_get_mode(struct device *dev, struct device_node *panel, + struct clcd_panel *clcd_panel) { int err; - struct device_node *panel; struct fb_videomode *mode; char *name; int len; - panel = of_graph_get_remote_port_parent(endpoint); - if (!panel) - return -ENODEV; - /* Only directly connected DPI panels supported for now */ if (of_device_is_compatible(panel, "panel-dpi")) err = clcdfb_of_get_dpi_panel_mode(panel, clcd_panel); @@ -791,11 +781,11 @@ static int clcdfb_of_init_display(struct clcd_fb *fb) return err; } - err = clcdfb_of_get_backlight(endpoint, fb->panel); + err = clcdfb_of_get_backlight(panel, fb->panel); if (err) return err; - err = clcdfb_of_get_mode(&fb->dev->dev, endpoint, fb->panel); + err = clcdfb_of_get_mode(&fb->dev->dev, panel, fb->panel); if (err) return err; |