How to Fetch Linkedin user feeds in Rails 4

Hi,

    i am working on rails 4 application,i am trying

to integrate linked-in in my application.i am followed below
link steps,but i can’t fetch user feeds(updates & shares),i
can fetch only user profile informations.how can i get all
informations.please help me

    Reference : 

this is my scope in omniauth.rb

OmniAuth.config.logger = Rails.logger

    Rails.application.config.middleware.use OmniAuth::Builder do

        provider :linkedin, SOCIAL_CONFIG['linkedin_client_id'],

SOCIAL_CONFIG[‘linkedin_client_secret’], scope:
[‘r_fullprofile’, ‘r_emailaddress’,‘r_network’,‘w_share’],
fields: [‘id’, ‘first-name’, ‘last-name’, ‘location’,
‘picture-url’, ‘public-profile-url’]

    end