Return-Path: From: Vikrampal Yadav To: linux-bluetooth@vger.kernel.org Cc: luiz.dentz@gmail.com, d.kasatkin@samsung.com, vikram.pal@samsung.com, cpgs@samsung.com Subject: [PATCH] Monitor: Add AVRCP PASS THROUGH command support Date: Tue, 07 Oct 2014 15:35:51 +0530 Message-id: <1412676351-29503-1-git-send-email-vikram.pal@samsung.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Support for decoding AVRCP PASS THROUGH command added in Bluetooth monitor. --- monitor/avctp.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 61 insertions(+), 2 deletions(-) diff --git a/monitor/avctp.c b/monitor/avctp.c index 9de46d1..a4e34c5 100644 --- a/monitor/avctp.c +++ b/monitor/avctp.c @@ -182,6 +182,20 @@ #define AVRCP_MEDIA_SEARCH 0x02 #define AVRCP_MEDIA_NOW_PLAYING 0x03 +/* operands in passthrough commands */ +#define AVC_PANEL_VOLUME_UP 0x41 +#define AVC_PANEL_VOLUME_DOWN 0x42 +#define AVC_PANEL_MUTE 0x43 +#define AVC_PANEL_PLAY 0x44 +#define AVC_PANEL_STOP 0x45 +#define AVC_PANEL_PAUSE 0x46 +#define AVC_PANEL_RECORD 0x47 +#define AVC_PANEL_REWIND 0x48 +#define AVC_PANEL_FAST_FORWARD 0x49 +#define AVC_PANEL_EJECT 0x4a +#define AVC_PANEL_FORWARD 0x4b +#define AVC_PANEL_BACKWARD 0x4c + struct avctp_frame { uint8_t hdr; uint8_t pt; @@ -631,9 +645,54 @@ static const char *scope2str(uint8_t scope) } } -static bool avrcp_passthrough_packet(struct avctp_frame *avctp_frame) +static char *op2str(uint8_t op) +{ + switch (op & 0x7f) { + case AVC_PANEL_VOLUME_UP: + return "VOLUME UP"; + case AVC_PANEL_VOLUME_DOWN: + return "VOLUME DOWN"; + case AVC_PANEL_MUTE: + return "MUTE"; + case AVC_PANEL_PLAY: + return "PLAY"; + case AVC_PANEL_STOP: + return "STOP"; + case AVC_PANEL_PAUSE: + return "PAUSE"; + case AVC_PANEL_RECORD: + return "RECORD"; + case AVC_PANEL_REWIND: + return "REWIND"; + case AVC_PANEL_FAST_FORWARD: + return "FAST FORWARD"; + case AVC_PANEL_EJECT: + return "EJECT"; + case AVC_PANEL_FORWARD: + return "FORWARD"; + case AVC_PANEL_BACKWARD: + return "BACKWARD"; + default: + return "UNKNOWN"; + } +} + +static bool avrcp_passthrough_packet(struct avctp_frame *avctp_frame, + uint8_t indent) { struct l2cap_frame *frame = &avctp_frame->l2cap_frame; + uint8_t op, len; + + if (!l2cap_frame_get_u8(frame, &op)) + return false; + + print_field("%*cOperation: 0x%02x (%s %s)", (indent - 2), ' ', op, + op2str(op), op & 0x80 ? "Released" : "Pressed"); + + if (!l2cap_frame_get_u8(frame, &len)) + return false; + + print_field("%*cLength: 0x%02x", (indent - 2), ' ', len); packet_hexdump(frame->data, frame->size); return true; @@ -1555,7 +1614,7 @@ static bool avrcp_control_packet(struct avctp_frame *avctp_frame) switch (opcode) { case 0x7c: - return avrcp_passthrough_packet(avctp_frame); + return avrcp_passthrough_packet(avctp_frame, 10); case 0x00: if (!l2cap_frame_get_u8(frame, &company[0]) || !l2cap_frame_get_u8(frame, &company[1]) || -- 1.9.1