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fbdev: sh_mipi_dsi: Allow LCDC board callbacks

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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@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2010-11-17 06:44:54 +00:00 committed by Paul Mundt
parent deaba19018
commit 6722a4016d
1 changed files with 14 additions and 0 deletions
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14
drivers/video/sh_mipi_dsi.c
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@ -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, struct fb_info *info)
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);
}
@ -443,6 +452,11 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
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;