summaryrefslogtreecommitdiff
path: root/drivers/video/sh_mobile_lcdcfb.c
diff options
context:
space:
mode:
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-09-09 17:45:43 +0400
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-03-13 01:40:43 +0400
commit37c5dcc21ddaa9f946c4d691996bb3076598b813 (patch)
tree419b910b8981d7961b6b658430f25e8cfeb33f63 /drivers/video/sh_mobile_lcdcfb.c
parent0a7f17aa3d6b693700af2e1cbf8cfdd28e18aebb (diff)
downloadlinux-37c5dcc21ddaa9f946c4d691996bb3076598b813.tar.xz
fbdev: sh_mobile_lcdc: Create functions to turn the display on/off
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'drivers/video/sh_mobile_lcdcfb.c')
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c53
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);
}