diff options
Diffstat (limited to 'drivers/video/of_display_timing.c')
| -rw-r--r-- | drivers/video/of_display_timing.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 8a1076beecd3..32b0a7543433 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -88,6 +88,15 @@ static int of_parse_display_timing(const struct device_node *np, dt->flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE : DISPLAY_FLAGS_PIXDATA_NEGEDGE; + if (!of_property_read_u32(np, "syncclk-active", &val)) + dt->flags |= val ? DISPLAY_FLAGS_SYNC_POSEDGE : + DISPLAY_FLAGS_SYNC_NEGEDGE; + else if (dt->flags & (DISPLAY_FLAGS_PIXDATA_POSEDGE | + DISPLAY_FLAGS_PIXDATA_NEGEDGE)) + dt->flags |= dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE ? + DISPLAY_FLAGS_SYNC_POSEDGE : + DISPLAY_FLAGS_SYNC_NEGEDGE; + if (of_property_read_bool(np, "interlaced")) dt->flags |= DISPLAY_FLAGS_INTERLACED; if (of_property_read_bool(np, "doublescan")) @@ -110,7 +119,7 @@ static int of_parse_display_timing(const struct device_node *np, * @name: name of the timing node * @dt: display_timing struct to fill **/ -int of_get_display_timing(struct device_node *np, const char *name, +int of_get_display_timing(const struct device_node *np, const char *name, struct display_timing *dt) { struct device_node *timing_np; @@ -133,7 +142,7 @@ EXPORT_SYMBOL_GPL(of_get_display_timing); * of_get_display_timings - parse all display_timing entries from a device_node * @np: device_node with the subnodes **/ -struct display_timings *of_get_display_timings(struct device_node *np) +struct display_timings *of_get_display_timings(const struct device_node *np) { struct device_node *timings_np; struct device_node *entry; @@ -249,7 +258,7 @@ EXPORT_SYMBOL_GPL(of_get_display_timings); * of_display_timings_exist - check if a display-timings node is provided * @np: device_node with the timing **/ -int of_display_timings_exist(struct device_node *np) +int of_display_timings_exist(const struct device_node *np) { struct device_node *timings_np; |