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Fill in a little of the 'Missing logic' in the USB host composite wrapper.

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This commit is contained in:
Gregory Nutt 2016-08-26 12:24:35 -06:00
parent ea8ce7acb6
commit 3c0b287fe9
1 changed files with 25 additions and 19 deletions
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44
drivers/usbhost/usbhost_composite.c
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@ -281,6 +281,7 @@ int usbhost_composite(FAR struct usbhost_hubport_s *hport,
{
FAR struct usbhsot_composite_s *priv;
FAR struct usbhost_component_s *member;
FAR const struct usbhost_registry_s *reg;
uint16_t nclasses;
int i;
@ -292,6 +293,8 @@ int usbhost_composite(FAR struct usbhost_hubport_s *hport,
/* Count the number of interfaces. Scan for IAD descriptors that will be
* used when it is necessary to associate multiple interfaces with a single
* device.
*
* Save the CLASS ID information in the member structure.
*/
#warning Missing logic
@ -329,28 +332,31 @@ int usbhost_composite(FAR struct usbhost_hubport_s *hport,
{
member = &priv->members[i];
/* See usbhost_classbind() for similar logic */
/* Is there is a class implementation registered to support this
* device.
* REVISIT: This should have been saved in member structure when the
* number of member classes was counted.
*/
#warning Missing logic to get id
/* Is there is a class implementation registered to support this device. */
#warning Missing logic
reg = usbhost_findclass(id);
if (reg == NULL)
{
/* Yes.. there is a class for this device. Get an instance of
* its interface.
*/
#warning Missing logic
{
/* Then bind the newly instantiated class instance as an
* composite class member.
*/
#warning Missing logic
{
/* On failures, call the class disconnect method which
* should then free the allocated usbclass instance.
*/
uinfo("usbhost_findclass failed\n");
ret = -EINVAL;
goto errour_with_members;
}
goto errout_with_members;
}
}
/* Yes.. there is a class for this device. Get an instance of its
* interface.
*/
member->usbclass = CLASS_CREATE(reg, hport, id);
if (member->usbclass == NULL)
{
uinfo("CLASS_CREATE failed\n");
ret = -ENOMEM;
goto errour_with_members;
}
}