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| author | Antonino A. Daplas <adaplas@gmail.com> | 2006-10-03 01:14:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 08:04:10 -0700 |
| commit | 946c4eab86cc67dac6021b56f45495f59b3970b4 (patch) | |
| tree | 854eeeb716f8985d4e423b12a2d3e9653502abdf | |
| parent | e80987f8db7b9c33089bb395ed54cb96d55eae04 (diff) | |
| download | talos-obmc-linux-946c4eab86cc67dac6021b56f45495f59b3970b4.tar.gz talos-obmc-linux-946c4eab86cc67dac6021b56f45495f59b3970b4.zip | |
[PATCH] savagefb: Use generic DDC reading
Update driver to use generic DDC reading
[khali@linux-fr.org: fix oops in i2c handling]
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jurriaan <thunder7@xs4all.nl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/video/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/video/savage/savagefb-i2c.c | 49 |
2 files changed, 7 insertions, 43 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 90911005d9de..0e371e060871 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1148,6 +1148,7 @@ config FB_SAVAGE depends on FB && PCI && EXPERIMENTAL select I2C_ALGOBIT if FB_SAVAGE_I2C select I2C if FB_SAVAGE_I2C + select FB_DDC if FB_SAVAGE_I2C select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/video/savage/savagefb-i2c.c b/drivers/video/savage/savagefb-i2c.c index d7d810dbf0bd..3f94223b7f0c 100644 --- a/drivers/video/savage/savagefb-i2c.c +++ b/drivers/video/savage/savagefb-i2c.c @@ -213,52 +213,15 @@ void savagefb_delete_i2c_busses(struct fb_info *info) par->chan.par = NULL; } -static u8 *savage_do_probe_i2c_edid(struct savagefb_i2c_chan *chan) -{ - u8 start = 0x0; - struct i2c_msg msgs[] = { - { - .addr = SAVAGE_DDC, - .len = 1, - .buf = &start, - }, { - .addr = SAVAGE_DDC, - .flags = I2C_M_RD, - .len = EDID_LENGTH, - }, - }; - u8 *buf = NULL; - - if (chan->par) { - buf = kmalloc(EDID_LENGTH, GFP_KERNEL); - - if (buf) { - msgs[1].buf = buf; - - if (i2c_transfer(&chan->adapter, msgs, 2) != 2) { - dev_dbg(&chan->par->pcidev->dev, - "Unable to read EDID block.\n"); - kfree(buf); - buf = NULL; - } - } - } - - return buf; -} - int savagefb_probe_i2c_connector(struct fb_info *info, u8 **out_edid) { struct savagefb_par *par = info->par; - u8 *edid = NULL; - int i; - - for (i = 0; i < 3; i++) { - /* Do the real work */ - edid = savage_do_probe_i2c_edid(&par->chan); - if (edid) - break; - } + u8 *edid; + + if (par->chan.par) + edid = fb_ddc_read(&par->chan.adapter); + else + edid = NULL; if (!edid) { /* try to get from firmware */ |
