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| author | Antonino A. Daplas <adaplas@gmail.com> | 2006-10-03 08:14:44 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 15:04:09 (GMT) |
| commit | e80987f8db7b9c33089bb395ed54cb96d55eae04 (patch) | |
| tree | a443b3f990396ef1da3d17e7b081226cd82cb298 /drivers/video/i810/i810-i2c.c | |
| parent | bf5df0a2c54c2dc0fad619ac25d029119023610a (diff) | |
| download | linux-e80987f8db7b9c33089bb395ed54cb96d55eae04.tar.xz | |
[PATCH] i810fb: Use generic DDC reading
Update driver to use generic DDC reading
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video/i810/i810-i2c.c')
| -rw-r--r-- | drivers/video/i810/i810-i2c.c | 42 |
1 files changed, 1 insertions, 41 deletions
diff --git a/drivers/video/i810/i810-i2c.c b/drivers/video/i810/i810-i2c.c index 7d06b38..b38d805 100644 --- a/drivers/video/i810/i810-i2c.c +++ b/drivers/video/i810/i810-i2c.c @@ -19,7 +19,6 @@ #include "i810_main.h" #include "../edid.h" -#define I810_DDC 0x50 /* bit locations in the registers */ #define SCL_DIR_MASK 0x0001 #define SCL_DIR 0x0002 @@ -150,53 +149,14 @@ void i810_delete_i2c_busses(struct i810fb_par *par) par->chan[2].par = NULL; } -static u8 *i810_do_probe_i2c_edid(struct i810fb_i2c_chan *chan) -{ - u8 start = 0x0; - struct i2c_msg msgs[] = { - { - .addr = I810_DDC, - .len = 1, - .buf = &start, - }, { - .addr = I810_DDC, - .flags = I2C_M_RD, - .len = EDID_LENGTH, - }, - }; - u8 *buf; - - buf = kmalloc(EDID_LENGTH, GFP_KERNEL); - if (!buf) { - DPRINTK("i810-i2c: Failed to allocate memory\n"); - return NULL; - } - msgs[1].buf = buf; - - if (i2c_transfer(&chan->adapter, msgs, 2) == 2) { - DPRINTK("i810-i2c: I2C Transfer successful\n"); - return buf; - } - - DPRINTK("i810-i2c: Unable to read EDID block.\n"); - kfree(buf); - return NULL; -} - int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid, int conn) { struct i810fb_par *par = info->par; u8 *edid = NULL; - int i; DPRINTK("i810-i2c: Probe DDC%i Bus\n", conn+1); if (conn < par->ddc_num) { - for (i = 0; i < 3; i++) { - /* Do the real work */ - edid = i810_do_probe_i2c_edid(&par->chan[conn]); - if (edid) - break; - } + edid = fb_ddc_read(&par->chan[conn].adapter); } else { const u8 *e = fb_firmware_edid(info->device); |