diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2013-02-16 13:19:18 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-02-20 16:00:59 +1000 |
| commit | 548ddb6dec9964fc9c0812409f3e105b07324c4f (patch) | |
| tree | 9deda89de5a975ffe2bdf52ec76b052185016ef9 /drivers/gpu/drm/nouveau/core/subdev | |
| parent | 31a34aa421032cfe3b2b892c929e7539e747a7ac (diff) | |
drm/nouveau/i2c: extend type to 16-bits, add lookup-by-type function
For off-chip transmitters we won't necessarily have an i2c table entry
to lookup, but we can do it instead by encoding the type to include
the extdev type and looking that up instead.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/i2c/base.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c index bc8ec7ace9d1..6ab51d3b3016 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c @@ -109,6 +109,19 @@ nouveau_i2c_find(struct nouveau_i2c *i2c, u8 index) return NULL; } +static struct nouveau_i2c_port * +nouveau_i2c_find_type(struct nouveau_i2c *i2c, u16 type) +{ + struct nouveau_i2c_port *port; + + list_for_each_entry(port, &i2c->ports, head) { + if (port->type == type) + return port; + } + + return NULL; +} + static int nouveau_i2c_identify(struct nouveau_i2c *i2c, int index, const char *what, struct i2c_board_info *info, @@ -264,6 +277,7 @@ nouveau_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; i2c->find = nouveau_i2c_find; + i2c->find_type = nouveau_i2c_find_type; i2c->identify = nouveau_i2c_identify; INIT_LIST_HEAD(&i2c->ports); |