drm/nouveau: Add support for I2C hardware monitoring devices.

[pandora-kernel.git] / drivers / gpu / drm / nouveau / nouveau_i2c.c

diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
index 0bd407c..fdd7e3d 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
@@ -163,7 +163,7 @@ nouveau_i2c_init(struct drm_device *dev, struct dcb_i2c_entry *entry, int index)
        if (entry->chan)
                return -EEXIST;
 
-       if (dev_priv->card_type == NV_C0 && entry->read >= NV50_I2C_PORTS) {
+       if (dev_priv->card_type >= NV_50 && entry->read >= NV50_I2C_PORTS) {
                NV_ERROR(dev, "unknown i2c port %d\n", entry->read);
                return -EINVAL;
        }
@@ -299,7 +299,10 @@ nouveau_probe_i2c_addr(struct nouveau_i2c_chan *i2c, int addr)
 
 int
 nouveau_i2c_identify(struct drm_device *dev, const char *what,
-                    struct i2c_board_info *info, int index)
+                    struct i2c_board_info *info,
+                    bool (*match)(struct nouveau_i2c_chan *,
+                                  struct i2c_board_info *),
+                    int index)
 {
        struct nouveau_i2c_chan *i2c = nouveau_i2c_find(dev, index);
        int i;
@@ -307,7 +310,8 @@ nouveau_i2c_identify(struct drm_device *dev, const char *what,
        NV_DEBUG(dev, "Probing %ss on I2C bus: %d\n", what, index);
 
        for (i = 0; info[i].addr; i++) {
-               if (nouveau_probe_i2c_addr(i2c, info[i].addr)) {
+               if (nouveau_probe_i2c_addr(i2c, info[i].addr) &&
+                   (!match || match(i2c, &info[i]))) {
                        NV_INFO(dev, "Detected %s: %s\n", what, info[i].type);
                        return i;
                }