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author | Magnus Damm <damm@opensource.se> | 2009-12-07 14:20:06 +0000 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2009-12-09 12:40:44 +0900 |
commit | ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6 (patch) | |
tree | 8e21c38842ffa6e5b05246376f68acb81f8294b0 /drivers/video | |
parent | b25b9758466bb8bc837f1863389015820f7cb11d (diff) | |
download | linux-stable-ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6.tar.gz linux-stable-ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6.tar.bz2 linux-stable-ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6.zip |
sh: add a start_transfer() callback to the LCDC driver
This patch adds a ->start_transfer() callback to the
driver sh_mobile_lcdcfb.c. The callback is used to
program the LCDC panel in the case of one-shot mode.
Needed by the LCD controller used on the KFR2R09 board.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index b4b5de930cf5..d346bbab6cad 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -281,6 +281,7 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, struct list_head *pagelist) { struct sh_mobile_lcdc_chan *ch = info->par; + struct sh_mobile_lcdc_board_cfg *bcfg = &ch->cfg.board_cfg; /* enable clocks before accessing hardware */ sh_mobile_lcdc_clk_on(ch->lcdc); @@ -305,10 +306,17 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, /* trigger panel update */ dma_map_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); + if (bcfg->start_transfer) + bcfg->start_transfer(bcfg->board_data, ch, + &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, 1); dma_unmap_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); - } else + } else { + if (bcfg->start_transfer) + bcfg->start_transfer(bcfg->board_data, ch, + &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, 1); + } } static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info) |