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| author | David Herrmann <dh.herrmann@googlemail.com> | 2011-09-06 13:50:38 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-09-07 13:25:18 +0200 |
| commit | e3979a9189d744ffecae1bcd36ae0a8b6d22f65f (patch) | |
| tree | 2ee6a3fc8bcffc1662b7c020c619ede27c98a15e /drivers/hid | |
| parent | 0370d7cb30716b202b2412b9b2d4740fd3152d30 (diff) | |
| download | linux-e3979a9189d744ffecae1bcd36ae0a8b6d22f65f.tar.gz linux-e3979a9189d744ffecae1bcd36ae0a8b6d22f65f.tar.bz2 linux-e3979a9189d744ffecae1bcd36ae0a8b6d22f65f.zip | |
HID: wiimote: Add status request
The wiimote does not send status reports continuously so this adds a helper
function to request a status report and parses the battery charge level.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-wiimote.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/hid/hid-wiimote.c b/drivers/hid/hid-wiimote.c index 66583986bcdb..48198cb0fed2 100644 --- a/drivers/hid/hid-wiimote.c +++ b/drivers/hid/hid-wiimote.c @@ -41,6 +41,7 @@ struct wiimote_state { __u32 opt; /* results of synchronous requests */ + __u8 cmd_battery; __u8 cmd_err; }; @@ -83,6 +84,7 @@ enum wiiproto_reqs { WIIPROTO_REQ_LED = 0x11, WIIPROTO_REQ_DRM = 0x12, WIIPROTO_REQ_IR1 = 0x13, + WIIPROTO_REQ_SREQ = 0x15, WIIPROTO_REQ_WMEM = 0x16, WIIPROTO_REQ_RMEM = 0x17, WIIPROTO_REQ_IR2 = 0x1a, @@ -354,6 +356,17 @@ static void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm) wiimote_queue(wdata, cmd, sizeof(cmd)); } +static void wiiproto_req_status(struct wiimote_data *wdata) +{ + __u8 cmd[2]; + + cmd[0] = WIIPROTO_REQ_SREQ; + cmd[1] = 0; + + wiiproto_keep_rumble(wdata, &cmd[1]); + wiimote_queue(wdata, cmd, sizeof(cmd)); +} + static void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel) { accel = !!accel; @@ -805,6 +818,11 @@ static void handler_status(struct wiimote_data *wdata, const __u8 *payload) /* on status reports the drm is reset so we need to resend the drm */ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); + + if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_SREQ, 0)) { + wdata->state.cmd_battery = payload[5]; + wiimote_cmd_complete(wdata); + } } static void handler_data(struct wiimote_data *wdata, const __u8 *payload) |