diff options
| author | Antonino A. Daplas <adaplas@gmail.com> | 2006-10-03 10:14:43 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 17:04:09 +0200 |
| commit | 346bc21026e7a92e1d7a4a1b3792c5e8b686133d (patch) | |
| tree | bdd98de61d59b31a4d5a2a37353ea2090f617839 /drivers/video | |
| parent | [PATCH] fbdev: Add generic ddc read functionality (diff) | |
| download | linux-346bc21026e7a92e1d7a4a1b3792c5e8b686133d.tar.xz linux-346bc21026e7a92e1d7a4a1b3792c5e8b686133d.zip | |
[PATCH] nvidiafb: 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')
| -rw-r--r-- | drivers/video/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/video/nvidia/nv_i2c.c | 45 |
2 files changed, 4 insertions, 42 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index d498e908f4b7..756ea81e475c 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -701,6 +701,7 @@ config FB_NVIDIA depends on FB && PCI select I2C_ALGOBIT if FB_NVIDIA_I2C select I2C if FB_NVIDIA_I2C + select FB_DDC if FB_NVIDIA_I2C select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c index 19eef3a09023..e48de3c9fd13 100644 --- a/drivers/video/nvidia/nv_i2c.c +++ b/drivers/video/nvidia/nv_i2c.c @@ -160,51 +160,12 @@ void nvidia_delete_i2c_busses(struct nvidia_par *par) } -static u8 *nvidia_do_probe_i2c_edid(struct nvidia_i2c_chan *chan) -{ - u8 start = 0x0; - struct i2c_msg msgs[] = { - { - .addr = 0x50, - .len = 1, - .buf = &start, - }, { - .addr = 0x50, - .flags = I2C_M_RD, - .len = EDID_LENGTH, - }, - }; - u8 *buf; - - if (!chan->par) - return NULL; - - buf = kmalloc(EDID_LENGTH, GFP_KERNEL); - if (!buf) { - dev_warn(&chan->par->pci_dev->dev, "Out of memory!\n"); - return NULL; - } - msgs[1].buf = buf; - - if (i2c_transfer(&chan->adapter, msgs, 2) == 2) - return buf; - dev_dbg(&chan->par->pci_dev->dev, "Unable to read EDID block.\n"); - kfree(buf); - return NULL; -} - int nvidia_probe_i2c_connector(struct fb_info *info, int conn, u8 **out_edid) { struct nvidia_par *par = info->par; - u8 *edid = NULL; - int i; - - for (i = 0; i < 3; i++) { - /* Do the real work */ - edid = nvidia_do_probe_i2c_edid(&par->chan[conn - 1]); - if (edid) - break; - } + u8 *edid; + + edid = fb_ddc_read(&par->chan[conn - 1].adapter); if (!edid && conn == 1) { /* try to get from firmware */ |