From: Gordon Kramer <kernel@xxxxxxxxxx> add a new method "csr2" to hid2hci that sends a control message to the usb device which switches the Cambridge Silicon Radio 8510 A10 as used in Sitecom CNT-524 fixes: https://bugzilla.kernel.org/show_bug.cgi?id=69181 --- Notes: 4th version, coding style corrections from Johan Hedberg and Anderson Lizardo, resend tools/hid2hci.1 | 2 +- tools/hid2hci.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 51 insertions(+), 2 deletions(-) diff --git a/tools/hid2hci.1 b/tools/hid2hci.1 index 8c5d520..c6876a3 100644 --- a/tools/hid2hci.1 +++ b/tools/hid2hci.1 @@ -32,7 +32,7 @@ mode and back. .B --mode= [hid, hci] Sets the mode to switch the device into .TP -.B --method= [csr, logitech-hid, dell] +.B --method= [csr, csr2, logitech-hid, dell] Which vendor method to use for switching the device. .TP .B --devpath= diff --git a/tools/hid2hci.c b/tools/hid2hci.c index a183bfa..49dcada 100644 --- a/tools/hid2hci.c +++ b/tools/hid2hci.c @@ -119,6 +119,52 @@ static int usb_switch_csr(int fd, enum mode mode) return err; } +static int usb_switch_csr2(int fd, enum mode mode) +{ + int err; + struct usbfs_disconnect disconnect; + uint8_t report[] = { + 0x01, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + + switch (mode) { + case HCI: + /* send report as is */ + disconnect.interface = 0; + disconnect.flags = USBFS_DISCONNECT_EXCEPT_DRIVER; + strcpy(disconnect.driver, "usbfs"); + + if (ioctl(fd, USBFS_IOCTL_DISCONNECT, &disconnect) < 0) { + fprintf(stderr, "Can't claim interface: %s (%d)\n", + strerror(errno), errno); + return -1; + } + + /* Set_report request with + * report id: 0x01, report type: feature (0x03) + * on interface 0 + */ + err = control_message(fd, + USB_ENDPOINT_OUT | USB_TYPE_CLASS | + USB_RECIP_INTERFACE, + USB_REQ_SET_CONFIGURATION, + 0x01 | (0x03 << 8), + 0, report, sizeof(report), 5000); + /* unable to detect whether the previous state + * already was HCI (EALREADY) + */ + break; + case HID: + /* currently unknown how to switch to HID */ + fprintf(stderr, + "csr2: Switching to hid mode is not implemented\n"); + err = -1; + break; + } + + return err; +} + static int hid_logitech_send_report(int fd, const char *buf, size_t size) { struct hiddev_report_info rinfo; @@ -258,7 +304,7 @@ static void usage(const char *error) printf("Usage: hid2hci [options]\n" " --mode= mode to switch to [hid|hci] (default hci)\n" " --devpath= sys device path\n" - " --method= method to use to switch [csr|logitech-hid|dell]\n" + " --method= method to use to switch [csr|csr2|logitech-hid|dell]\n" " --help\n\n"); } @@ -311,6 +357,9 @@ int main(int argc, char *argv[]) if (!strcmp(optarg, "csr")) { method = METHOD_CSR; usb_switch = usb_switch_csr; + } else if (!strcmp(optarg, "csr2")) { + method = METHOD_CSR; + usb_switch = usb_switch_csr2; } else if (!strcmp(optarg, "logitech-hid")) { method = METHOD_LOGITECH_HID; } else if (!strcmp(optarg, "dell")) { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
