diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-11-28 23:19:59 +0100 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-03-12 22:40:52 +0100 |
| commit | 458981c3886133667e020900f53538f1fbc3ea1d (patch) | |
| tree | 6407e8c02cb4715dde31cdef9685f175dae6043b | |
| parent | 5864ace19a2546912308e94432c1cf52d5945afe (diff) | |
fbdev: sh_mobile_lcdc: Return display connection state in display_on
Return true if the display is connected and false otherwise. Set the fb
info state to FBINFO_STATE_SUSPENDED in the sh_mobile_lcdc driver when
the display is not connected.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | drivers/video/sh_mipi_dsi.c | 2 | ||||
| -rw-r--r-- | drivers/video/sh_mobile_hdmi.c | 9 | ||||
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 8 | ||||
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.h | 3 |
4 files changed, 16 insertions, 6 deletions
diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index 1ede247547f9..5ff3742aeb08 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -412,7 +412,7 @@ static int mipi_display_on(struct sh_mobile_lcdc_entity *entity) sh_mipi_dsi_enable(mipi, true); - return 0; + return SH_MOBILE_LCDC_DISPLAY_CONNECTED; mipi_display_on_fail1: pm_runtime_put_sync(&mipi->pdev->dev); diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index c22e123ec401..1464abf81a40 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -1004,9 +1004,9 @@ static int sh_hdmi_display_on(struct sh_mobile_lcdc_entity *entity) { struct sh_hdmi *hdmi = entity_to_sh_hdmi(entity); struct sh_mobile_lcdc_chan *ch = entity->lcdc; - struct fb_info *info = ch->info; - dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__, hdmi, info->state); + dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__, hdmi, + hdmi->hp_state); /* * hp_state can be set to @@ -1021,12 +1021,13 @@ static int sh_hdmi_display_on(struct sh_mobile_lcdc_entity *entity) dev_dbg(hdmi->dev, "HDMI running\n"); break; case HDMI_HOTPLUG_DISCONNECTED: - info->state = FBINFO_STATE_SUSPENDED; default: hdmi->var = ch->display_var; } - return 0; + return hdmi->hp_state == HDMI_HOTPLUG_DISCONNECTED + ? SH_MOBILE_LCDC_DISPLAY_DISCONNECTED + : SH_MOBILE_LCDC_DISPLAY_CONNECTED; } static void sh_hdmi_display_off(struct sh_mobile_lcdc_entity *entity) diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 03ee3826fb62..5a19ef3f215c 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -338,8 +338,14 @@ static void sh_mobile_lcdc_display_on(struct sh_mobile_lcdc_chan *ch) struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg.panel_cfg; if (ch->tx_dev) { - if (ch->tx_dev->ops->display_on(ch->tx_dev) < 0) + int ret; + + ret = ch->tx_dev->ops->display_on(ch->tx_dev); + if (ret < 0) return; + + if (ret == SH_MOBILE_LCDC_DISPLAY_DISCONNECTED) + ch->info->state = FBINFO_STATE_SUSPENDED; } /* HDMI must be enabled before LCDC configuration */ diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h index b2cb8e6d098c..6fb956c8e603 100644 --- a/drivers/video/sh_mobile_lcdcfb.h +++ b/drivers/video/sh_mobile_lcdcfb.h @@ -21,6 +21,9 @@ struct sh_mobile_lcdc_entity; struct sh_mobile_lcdc_priv; struct sh_mobile_lcdc_chan; +#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED 0 +#define SH_MOBILE_LCDC_DISPLAY_CONNECTED 1 + struct sh_mobile_lcdc_entity_ops { /* Display */ int (*display_on)(struct sh_mobile_lcdc_entity *entity); |