i2c: Let framebuffer drivers set their I2C bus class to DDC

Let framebuffer drivers set their I2C bus class to DDC. Once this is
done, we will be able to tell the eeprom driver to only probe for
EDID EEPROMs on these buses.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/video/intelfb/intelfb_i2c.c b/drivers/video/intelfb/intelfb_i2c.c
index ca95f09d8b43..fcf9fadbf572 100644
--- a/drivers/video/intelfb/intelfb_i2c.c
+++ b/drivers/video/intelfb/intelfb_i2c.c
@@ -100,7 +100,8 @@ static int intelfb_gpio_getsda(void *data)
 
 static int intelfb_setup_i2c_bus(struct intelfb_info *dinfo,
                                  struct intelfb_i2c_chan *chan,
-                                 const u32 reg, const char *name)
+                                 const u32 reg, const char *name,
+                                 int class)
 {
         int rc;
 
@@ -108,6 +109,7 @@ static int intelfb_setup_i2c_bus(struct intelfb_info *dinfo,
         chan->reg                       = reg;
         snprintf(chan->adapter.name, sizeof(chan->adapter.name),
                  "intelfb %s", name);
+        chan->adapter.class             = class;
         chan->adapter.owner             = THIS_MODULE;
         chan->adapter.id                = I2C_HW_B_INTELFB;
         chan->adapter.algo_data         = &chan->algo;
@@ -145,7 +147,7 @@ void intelfb_create_i2c_busses(struct intelfb_info *dinfo)
 
         /* setup the DDC bus for analog output */
         intelfb_setup_i2c_bus(dinfo, &dinfo->output[i].ddc_bus, GPIOA,
-                              "CRTDDC_A");
+                              "CRTDDC_A", I2C_CLASS_DDC);
         i++;
 
         /* need to add the output busses for each device
@@ -159,9 +161,9 @@ void intelfb_create_i2c_busses(struct intelfb_info *dinfo)
         case INTEL_865G:
                 dinfo->output[i].type = INTELFB_OUTPUT_DVO;
                 intelfb_setup_i2c_bus(dinfo, &dinfo->output[i].ddc_bus,
-                                      GPIOD, "DVODDC_D");
+                                      GPIOD, "DVODDC_D", I2C_CLASS_DDC);
                 intelfb_setup_i2c_bus(dinfo, &dinfo->output[i].i2c_bus,
-                                      GPIOE, "DVOI2C_E");
+                                      GPIOE, "DVOI2C_E", 0);
                 i++;
                 break;
         case INTEL_915G:
@@ -174,7 +176,7 @@ void intelfb_create_i2c_busses(struct intelfb_info *dinfo)
                 /* SDVO ports have a single control bus - 2 devices */
                 dinfo->output[i].type = INTELFB_OUTPUT_SDVO;
                 intelfb_setup_i2c_bus(dinfo, &dinfo->output[i].i2c_bus,
-                                      GPIOE, "SDVOCTRL_E");
+                                      GPIOE, "SDVOCTRL_E", 0);
                 /* TODO: initialize the SDVO */
                 /* I830SDVOInit(pScrn, i, DVOB); */
                 i++;