[PATCHv2 2/6] android/avctp: Add UNIT INFO command request

[Andrei Emeltchenko <andrei.emeltchenko@gmail.com>]

From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>

---
 android/avctp.c | 13 +++++++++++++
 android/avctp.h |  3 +++
 2 files changed, 16 insertions(+)

diff --git a/android/avctp.c b/android/avctp.c
index 1e414d1..57a8c23 100644
--- a/android/avctp.c
+++ b/android/avctp.c
@@ -1266,6 +1266,19 @@ int avctp_send_vendordep_req(struct avctp *session, uint8_t code,
 						func, user_data);
 }
 
+int avctp_send_unit_info_req(struct avctp *session, avctp_rsp_cb func,
+								void *user_data)
+{
+	uint8_t operands[5];
+
+	memset(operands, 0xFF, sizeof(operands));
+
+	return avctp_send_req(session, AVC_CTYPE_STATUS,
+				AVC_SUBUNIT_UNIT, AVC_OP_UNITINFO,
+				operands, sizeof(operands),
+				func, user_data);
+}
+
 unsigned int avctp_register_passthrough_handler(struct avctp *session,
 						avctp_passthrough_cb cb,
 						void *user_data)
diff --git a/android/avctp.h b/android/avctp.h
index dfa0ca6..7496e53 100644
--- a/android/avctp.h
+++ b/android/avctp.h
@@ -46,6 +46,7 @@
 
 /* subunits of interest */
 #define AVC_SUBUNIT_PANEL		0x09
+#define AVC_SUBUNIT_UNIT		0x1f
 
 /* operands in passthrough commands */
 #define AVC_SELECT			0x00
@@ -170,3 +171,5 @@ int avctp_send_vendordep_req(struct avctp *session, uint8_t code,
 int avctp_send_browsing_req(struct avctp *session,
 				uint8_t *operands, size_t operand_count,
 				avctp_browsing_rsp_cb func, void *user_data);
+int avctp_send_unit_info_req(struct avctp *session, avctp_rsp_cb func,
+							void *user_data);
-- 
1.8.3.2