HID: intel-ish-hid: Add ishtp_get_connection_state() interface

Add the ishtp_get_connection_state() function for struct ishtp_cl, allowing
ishtp client drivers to retrieve the current connection state.

Signed-off-by: Zhang Lixu <lixu.zhang@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

diff --git a/drivers/hid/intel-ish-hid/ishtp/client.c b/drivers/hid/intel-ish-hid/ishtp/client.c
index 21a2c0773cc2ab1e767b0187f8c6fef97602b54d..40f510b1c07295ddfe26334769c2ed12009e9847 100644 (file)
--- a/drivers/hid/intel-ish-hid/ishtp/client.c
+++ b/drivers/hid/intel-ish-hid/ishtp/client.c
@@ -1261,6 +1261,12 @@ void ishtp_set_connection_state(struct ishtp_cl *cl, int state)
 }
 EXPORT_SYMBOL(ishtp_set_connection_state);
 
+int ishtp_get_connection_state(struct ishtp_cl *cl)
+{
+       return cl->state;
+}
+EXPORT_SYMBOL(ishtp_get_connection_state);
+
 void ishtp_cl_set_fw_client_id(struct ishtp_cl *cl, int fw_client_id)
 {
        cl->fw_client_id = fw_client_id;

diff --git a/include/linux/intel-ish-client-if.h b/include/linux/intel-ish-client-if.h
index b235fd84f4780469590df9d8f69f2aa42c350e90..2cd4f65aaa374b29b11b65d040d621db0d5a4966 100644 (file)
--- a/include/linux/intel-ish-client-if.h
+++ b/include/linux/intel-ish-client-if.h
@@ -109,6 +109,7 @@ struct ishtp_device *ishtp_get_ishtp_device(struct ishtp_cl *cl);
 void ishtp_set_tx_ring_size(struct ishtp_cl *cl, int size);
 void ishtp_set_rx_ring_size(struct ishtp_cl *cl, int size);
 void ishtp_set_connection_state(struct ishtp_cl *cl, int state);
+int ishtp_get_connection_state(struct ishtp_cl *cl);
 void ishtp_cl_set_fw_client_id(struct ishtp_cl *cl, int fw_client_id);
 
 void ishtp_put_device(struct ishtp_cl_device *cl_dev);