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author | Andrei Emeltchenko <andrei.emeltchenko@intel.com> | 2014-03-12 16:40:24 +0200 |
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committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2014-03-13 13:04:41 +0200 |
commit | ebf14feae967821163585bac06be9d703232d1f8 (patch) | |
tree | 42eb07151726da8eb4dd917bced5f93f5cdb36c2 /android/avctp.c | |
parent | 1701a37e5242b4bd422d92b9c1dad196a8630425 (diff) | |
download | bluez-ebf14feae967821163585bac06be9d703232d1f8.tar.gz |
android/avctp: Add parameters to avctp passthrough send
This allows to use vendor unique commands
Diffstat (limited to 'android/avctp.c')
-rw-r--r-- | android/avctp.c | 74 |
1 files changed, 58 insertions, 16 deletions
diff --git a/android/avctp.c b/android/avctp.c index 9232cfaab..ed9181057 100644 --- a/android/avctp.c +++ b/android/avctp.c @@ -159,6 +159,8 @@ struct avctp_channel { struct key_pressed { uint8_t op; + uint8_t *params; + size_t params_len; guint timer; }; @@ -1168,25 +1170,38 @@ static const char *op2str(uint8_t op) return "UNKNOWN"; } -static int avctp_passthrough_press(struct avctp *session, uint8_t op) +static int avctp_passthrough_press(struct avctp *session, uint8_t op, + uint8_t *params, size_t params_len) { - uint8_t operands[2]; + uint8_t operands[7]; + size_t len; - DBG("%s", op2str(op)); + DBG("op 0x%02x %s params_len %zd", op, op2str(op), params_len); /* Button pressed */ operands[0] = op & 0x7f; - operands[1] = 0; + + if (op == AVC_VENDOR_UNIQUE && params && + params_len == 5) { + memcpy(&operands[2], params, params_len); + len = params_len + 2; + operands[1] = params_len; + } else { + len = 2; + operands[1] = 0; + } return avctp_send_req(session, AVC_CTYPE_CONTROL, AVC_SUBUNIT_PANEL, AVC_OP_PASSTHROUGH, - operands, sizeof(operands), + operands, len, avctp_passthrough_rsp, NULL); } -static int avctp_passthrough_release(struct avctp *session, uint8_t op) +static int avctp_passthrough_release(struct avctp *session, uint8_t op, + uint8_t *params, size_t params_len) { - uint8_t operands[2]; + uint8_t operands[7]; + size_t len; DBG("%s", op2str(op)); @@ -1194,9 +1209,16 @@ static int avctp_passthrough_release(struct avctp *session, uint8_t op) operands[0] = op | 0x80; operands[1] = 0; + if (op == AVC_VENDOR_UNIQUE && params && + params_len > sizeof(operands) - 2) { + memcpy(&operands[2], params, params_len); + len = params_len; + } else + len = 2; + return avctp_send_req(session, AVC_CTYPE_CONTROL, AVC_SUBUNIT_PANEL, AVC_OP_PASSTHROUGH, - operands, sizeof(operands), + operands, len, NULL, NULL); } @@ -1204,15 +1226,18 @@ static gboolean repeat_timeout(gpointer user_data) { struct avctp *session = user_data; - avctp_passthrough_release(session, session->key.op); - avctp_passthrough_press(session, session->key.op); + avctp_passthrough_release(session, session->key.op, session->key.params, + session->key.params_len); + avctp_passthrough_press(session, session->key.op, session->key.params, + session->key.params_len); return TRUE; } static void release_pressed(struct avctp *session) { - avctp_passthrough_release(session, session->key.op); + avctp_passthrough_release(session, session->key.op, session->key.params, + session->key.params_len); if (session->key.timer > 0) g_source_remove(session->key.timer); @@ -1220,7 +1245,8 @@ static void release_pressed(struct avctp *session) session->key.timer = 0; } -static bool set_pressed(struct avctp *session, uint8_t op) +static bool set_pressed(struct avctp *session, uint8_t op, uint8_t *params, + size_t params_len) { if (session->key.timer > 0) { if (session->key.op == op) @@ -1232,6 +1258,8 @@ static bool set_pressed(struct avctp *session, uint8_t op) return FALSE; session->key.op = op; + session->key.params = params; + session->key.params_len = params_len; session->key.timer = g_timeout_add_seconds(AVC_PRESS_TIMEOUT, repeat_timeout, session); @@ -1243,24 +1271,38 @@ static gboolean avctp_passthrough_rsp(struct avctp *session, uint8_t code, uint8_t subunit, uint8_t *operands, size_t operand_count, void *user_data) { + uint8_t *params; + size_t params_len; + + DBG("code 0x%02x operand_count %zd", code, operand_count); + if (code != AVC_CTYPE_ACCEPTED) return FALSE; - if (set_pressed(session, operands[0])) + if (operands[0] == AVC_VENDOR_UNIQUE) { + params = &operands[2]; + params_len = operand_count - 2; + } else { + params = NULL; + params_len = 0; + } + + if (set_pressed(session, operands[0], params, params_len)) return FALSE; - avctp_passthrough_release(session, operands[0]); + avctp_passthrough_release(session, operands[0], params, params_len); return FALSE; } -int avctp_send_passthrough(struct avctp *session, uint8_t op) +int avctp_send_passthrough(struct avctp *session, uint8_t op, uint8_t *params, + size_t params_len) { /* Auto release if key pressed */ if (session->key.timer > 0) release_pressed(session); - return avctp_passthrough_press(session, op); + return avctp_passthrough_press(session, op, params, params_len); } int avctp_send_vendordep(struct avctp *session, uint8_t transaction, |