X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fvideo%2Friva%2Frivafb-i2c.c;h=0405e839ff939f5dc9e13d33f02dd4f1cd51ca06;hb=cd354f1ae75e6466a7e31b727faede57a1f89ca5;hp=9751c37c0bfd57de13b4c182090c2adcc0422dd7;hpb=6ab3d5624e172c553004ecc862bfeac16d9d68b7;p=karo-tx-linux.git

diff --git a/drivers/video/riva/rivafb-i2c.c b/drivers/video/riva/rivafb-i2c.c
index 9751c37c0bfd..0405e839ff93 100644
--- a/drivers/video/riva/rivafb-i2c.c
+++ b/drivers/video/riva/rivafb-i2c.c
@@ -14,7 +14,6 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/fb.h>
@@ -25,8 +24,6 @@
 #include "rivafb.h"
 #include "../edid.h"
 
-#define RIVA_DDC 	0x50
-
 static void riva_gpio_setscl(void* data, int state)
 {
 	struct riva_i2c_chan 	*chan = data;
@@ -146,62 +143,24 @@ void riva_create_i2c_busses(struct riva_par *par)
 void riva_delete_i2c_busses(struct riva_par *par)
 {
 	if (par->chan[0].par)
-		i2c_bit_del_bus(&par->chan[0].adapter);
+		i2c_del_adapter(&par->chan[0].adapter);
 	par->chan[0].par = NULL;
 
 	if (par->chan[1].par)
-		i2c_bit_del_bus(&par->chan[1].adapter);
+		i2c_del_adapter(&par->chan[1].adapter);
 	par->chan[1].par = NULL;
 
 	if (par->chan[2].par)
-		i2c_bit_del_bus(&par->chan[2].adapter);
+		i2c_del_adapter(&par->chan[2].adapter);
 	par->chan[2].par = NULL;
 }
 
-static u8 *riva_do_probe_i2c_edid(struct riva_i2c_chan *chan)
-{
-	u8 start = 0x0;
-	struct i2c_msg msgs[] = {
-		{
-			.addr	= RIVA_DDC,
-			.len	= 1,
-			.buf	= &start,
-		}, {
-			.addr	= RIVA_DDC,
-			.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->pdev->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->pdev->dev, "Unable to read EDID block.\n");
-	kfree(buf);
-	return NULL;
-}
-
 int riva_probe_i2c_connector(struct riva_par *par, int conn, u8 **out_edid)
 {
 	u8 *edid = NULL;
-	int i;
 
-	for (i = 0; i < 3; i++) {
-		/* Do the real work */
-		edid = riva_do_probe_i2c_edid(&par->chan[conn-1]);
-		if (edid)
-			break;
-	}
+	edid = fb_ddc_read(&par->chan[conn-1].adapter);
+
 	if (out_edid)
 		*out_edid = edid;
 	if (!edid)