On Tue, 30 Nov 2010 18:40:03 +0100 "pascal@xxxxxxxx" <pascal@xxxxxxxx> wrote: Pascal, you were replying to linux-input only so some of the original recipients missed your comments. > Antonio Ospite wrote: > > +++ b/net/bluetooth/hidp/core.c > > case HID_OUTPUT_REPORT: > > - report_type = HIDP_TRANS_DATA | HIDP_DATA_RTYPE_OUPUT; > > + report_type = HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_OUPUT; > > > Is it only the Sixaxis which needs the output report as a SET_REPORT > > operation, or the change above is an actual fix? > > My understanding of the Bluetooth HID Profile specification [1], > section 7.4.9, is that on the control channel DATA is only for > responding to an incoming GET_REPORT. Since Linux is the HID > Host, it will probably never need to reply to a GET_REPORT. > So your patch looks good. > OK, I managed to study [1] a little bit, so yes, I also think my patch is acceptable right now, but just because as you note in another message hidp_output_raw_report() is relying only on the control channel. In section 7.9.1 there's no mention of DATA for Output reports on the Control channel (see also Figure 11: SET_ Flow Chart). So I am resending it, it shouldn't hurt. > Note that usbhid_output_raw_report() seems to send OUTPUT > reports as USB interrupt messages and FEATURE reports as > USB SET_REPORT control messages, which makes sense too. > It would be nice if hidraw behaved the same over USB and > over Bluetooth. Unfortunately I don't think you can drive > the sixaxis leds with DATA on the Bluetooth interrupt channel. > However, even if my patch gets is, Output reports on the Sixaxis will stop working again as soon as someone implements the behavior you are suggesting, that is: Feature Report -> SET_REPORT on the Control channel Output Report -> DATA on the Interrupt channel So I am going to submit the hidp_output_raw_report() override in hid-sony.c as well, does this sound OK? > > [1] http://www.bluetooth.com/Specification%20Documents/HID_SPEC_V10.pdf > Regards, Antonio -- Antonio Ospite http://ao2.it PGP public key ID: 0x4553B001 A: Because it messes up the order in which people normally read text. See http://en.wikipedia.org/wiki/Posting_style Q: Why is top-posting such a bad thing?
Attachment:
pgpXE8RUfnHdq.pgp
Description: PGP signature
