[PATCH 05/05] fbdev: sh_mipi_dsi: Allow LCDC board callbacks

From: Magnus Damm
Date: Wed Nov 17 2010 - 01:42:10 EST


From: Magnus Damm <damm@xxxxxxxxxxxxx>

Update the MIPI-DSI driver to make use of the
LCD panel callbacks in the LCDC platform data.

Without this patch MIPI panels cannot use board
specific LCDC callbacks to control power and/or
back light.

Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx>
---

drivers/video/sh_mipi_dsi.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

--- 0008/drivers/video/sh_mipi_dsi.c
+++ work/drivers/video/sh_mipi_dsi.c 2010-11-16 17:41:32.000000000 +0900
@@ -50,6 +50,9 @@ struct sh_mipi {
void __iomem *linkbase;
struct clk *dsit_clk;
struct clk *dsip_clk;
+ void *next_board_data;
+ void (*next_display_on)(void *board_data, struct fb_info *info);
+ void (*next_display_off)(void *board_data);
};

static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
@@ -122,12 +125,18 @@ static void mipi_display_on(void *arg, s
struct sh_mipi *mipi = arg;

sh_mipi_dsi_enable(mipi, true);
+
+ if (mipi->next_display_on)
+ mipi->next_display_on(mipi->next_board_data, info);
}

static void mipi_display_off(void *arg)
{
struct sh_mipi *mipi = arg;

+ if (mipi->next_display_off)
+ mipi->next_display_off(mipi->next_board_data);
+
sh_mipi_dsi_enable(mipi, false);
}

@@ -431,6 +440,11 @@ static int __init sh_mipi_probe(struct p
mutex_unlock(&array_lock);
platform_set_drvdata(pdev, mipi);

+ /* Save original LCDC callbacks */
+ mipi->next_board_data = pdata->lcd_chan->board_cfg.board_data;
+ mipi->next_display_on = pdata->lcd_chan->board_cfg.display_on;
+ mipi->next_display_off = pdata->lcd_chan->board_cfg.display_off;
+
/* Set up LCDC callbacks */
pdata->lcd_chan->board_cfg.board_data = mipi;
pdata->lcd_chan->board_cfg.display_on = mipi_display_on;
--
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