On 01/27/2015 03:01 PM, Shobhit Kumar wrote:
> For scenarios where OF is not available, we can use panel identification by
> name.
Any body had a look at this ?
Regards
Shobhit
>
> Signed-off-by: Shobhit Kumar <shobhit.kumar@xxxxxxxxx>
> ---
> drivers/gpu/drm/drm_panel.c | 18 ++++++++++++++++++
> include/drm/drm_panel.h | 3 +++
> 2 files changed, 21 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
> index 2ef988e..e1cb8cf 100644
> --- a/drivers/gpu/drm/drm_panel.c
> +++ b/drivers/gpu/drm/drm_panel.c
> @@ -95,6 +95,24 @@ struct drm_panel *of_drm_find_panel(struct device_node *np)
> EXPORT_SYMBOL(of_drm_find_panel);
> #endif
>
> +struct drm_panel *drm_find_panel_by_name(const char *name)
> +{
> + struct drm_panel *panel;
> +
> + mutex_lock(&panel_lock);
> +
> + list_for_each_entry(panel, &panel_list, list) {
> + if (strcmp(panel->name, name) == 0) {
> + mutex_unlock(&panel_lock);
> + return panel;
> + }
> + }
> +
> + mutex_unlock(&panel_lock);
> + return NULL;
> +}
> +EXPORT_SYMBOL(drm_find_panel_by_name);
> +
> MODULE_AUTHOR("Thierry Reding <treding@xxxxxxxxxx>");
> MODULE_DESCRIPTION("DRM panel infrastructure");
> MODULE_LICENSE("GPL and additional rights");
> diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
> index 1fbcc96..1ef9ff3 100644
> --- a/include/drm/drm_panel.h
> +++ b/include/drm/drm_panel.h
> @@ -74,6 +74,7 @@ struct drm_panel {
> struct drm_device *drm;
> struct drm_connector *connector;
> struct device *dev;
> + char name[NAME_MAX];
>
> const struct drm_panel_funcs *funcs;
>
> @@ -137,4 +138,6 @@ static inline struct drm_panel *of_drm_find_panel(struct device_node *np)
> }
> #endif
>
> +struct drm_panel *drm_find_panel_by_name(const char *name);
> +
> #endif
>
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