fbdev: sh_mobile_lcdc: Create functions to turn the display on/off

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 28 insertions, 25 deletions

diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index a805f96eb163..bd725a421921 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -224,7 +224,7 @@ static int sh_mobile_lcdc_setup_clocks(struct sh_mobile_lcdc_priv *priv,
 }
 
 /* -----------------------------------------------------------------------------
- * Sys panel and deferred I/O
+ * Display, panel and deferred I/O
  */
 
 static void lcdc_sys_write_index(void *handle, unsigned long data)
@@ -335,6 +335,27 @@ static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info)
                 schedule_delayed_work(&info->deferred_work, fbdefio->delay);
 }
 
+static void sh_mobile_lcdc_display_on(struct sh_mobile_lcdc_chan *ch)
+{
+        struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
+
+        /* HDMI must be enabled before LCDC configuration */
+        if (board_cfg->display_on && try_module_get(board_cfg->owner)) {
+                board_cfg->display_on(board_cfg->board_data, ch->info);
+                module_put(board_cfg->owner);
+        }
+}
+
+static void sh_mobile_lcdc_display_off(struct sh_mobile_lcdc_chan *ch)
+{
+        struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
+
+        if (board_cfg->display_off && try_module_get(board_cfg->owner)) {
+                board_cfg->display_off(board_cfg->board_data);
+                module_put(board_cfg->owner);
+        }
+}
+
 /* -----------------------------------------------------------------------------
  * Format helpers
  */
@@ -648,7 +669,6 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 {
         struct sh_mobile_meram_info *mdev = priv->meram_dev;
-        struct sh_mobile_lcdc_board_cfg *board_cfg;
         struct sh_mobile_lcdc_chan *ch;
         unsigned long tmp;
         int ret;
@@ -665,8 +685,9 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
         lcdc_wait_bit(priv, _LDCNT2R, LDCNT2R_BR, 0);
 
         for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
-                ch = &priv->ch[k];
+                struct sh_mobile_lcdc_board_cfg *board_cfg;
 
+                ch = &priv->ch[k];
                 if (!ch->enabled)
                         continue;
 
@@ -754,11 +775,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
                         fb_deferred_io_init(ch->info);
                 }
 
-                board_cfg = &ch->cfg.board_cfg;
-                if (board_cfg->display_on && try_module_get(board_cfg->owner)) {
-                        board_cfg->display_on(board_cfg->board_data, ch->info);
-                        module_put(board_cfg->owner);
-                }
+                sh_mobile_lcdc_display_on(ch);
 
                 if (ch->bl) {
                         ch->bl->props.power = FB_BLANK_UNBLANK;
@@ -772,7 +789,6 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
 {
         struct sh_mobile_lcdc_chan *ch;
-        struct sh_mobile_lcdc_board_cfg *board_cfg;
         int k;
 
         /* clean up deferred io and ask board code to disable panel */
@@ -799,11 +815,7 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
                         backlight_update_status(ch->bl);
                 }
 
-                board_cfg = &ch->cfg.board_cfg;
-                if (board_cfg->display_off && try_module_get(board_cfg->owner)) {
-                        board_cfg->display_off(board_cfg->board_data);
-                        module_put(board_cfg->owner);
-                }
+                sh_mobile_lcdc_display_off(ch);
 
                 /* disable the meram */
                 if (ch->meram_enabled) {
@@ -1417,7 +1429,6 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
         struct fb_event *event = data;
         struct fb_info *info = event->info;
         struct sh_mobile_lcdc_chan *ch = info->par;
-        struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
 
         if (&ch->lcdc->notifier != nb)
                 return NOTIFY_DONE;
@@ -1427,10 +1438,7 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
 
         switch(action) {
         case FB_EVENT_SUSPEND:
-                if (board_cfg->display_off && try_module_get(board_cfg->owner)) {
-                        board_cfg->display_off(board_cfg->board_data);
-                        module_put(board_cfg->owner);
-                }
+                sh_mobile_lcdc_display_off(ch);
                 sh_mobile_lcdc_stop(ch->lcdc);
                 break;
         case FB_EVENT_RESUME:
@@ -1438,12 +1446,7 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
                 sh_mobile_fb_reconfig(info);
                 mutex_unlock(&ch->open_lock);
 
-                /* HDMI must be enabled before LCDC configuration */
-                if (board_cfg->display_on && try_module_get(board_cfg->owner)) {
-                        board_cfg->display_on(board_cfg->board_data, info);
-                        module_put(board_cfg->owner);
-                }
-
+                sh_mobile_lcdc_display_on(ch);
                 sh_mobile_lcdc_start(ch->lcdc);
         }