Merge branches 'for-3.10/appleir', 'for-3.10/hid-debug', 'for-3.10/hid-driver-transpo...

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-logitech-dj.c

diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 9500f2f3f8fea702432e683a56dc0eea53dbf3fe..5207591a598c05944a348be2252c4a346e0e5cfa 100644 (file)
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -27,7 +27,6 @@
 #include <linux/module.h>
 #include <linux/usb.h>
 #include <asm/unaligned.h>
-#include "usbhid/usbhid.h"
 #include "hid-ids.h"
 #include "hid-logitech-dj.h"
 
@@ -193,7 +192,6 @@ static struct hid_ll_driver logi_dj_ll_driver;
 static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
                                        size_t count,
                                        unsigned char report_type);
-static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev);
 
 static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev,
                                                struct dj_report *dj_report)
@@ -234,7 +232,6 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,
        if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] &
            SPFUNCTION_DEVICE_LIST_EMPTY) {
                dbg_hid("%s: device list is empty\n", __func__);
-               djrcv_dev->querying_devices = false;
                return;
        }
 
@@ -245,12 +242,6 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,
                return;
        }
 
-       if (djrcv_dev->paired_dj_devices[dj_report->device_index]) {
-               /* The device is already known. No need to reallocate it. */
-               dbg_hid("%s: device is already known\n", __func__);
-               return;
-       }
-
        dj_hiddev = hid_allocate_device();
        if (IS_ERR(dj_hiddev)) {
                dev_err(&djrcv_hdev->dev, "%s: hid_allocate_device failed\n",
@@ -314,7 +305,6 @@ static void delayedwork_callback(struct work_struct *work)
        struct dj_report dj_report;
        unsigned long flags;
        int count;
-       int retval;
 
        dbg_hid("%s\n", __func__);
 
@@ -347,25 +337,6 @@ static void delayedwork_callback(struct work_struct *work)
                logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report);
                break;
        default:
-       /* A normal report (i. e. not belonging to a pair/unpair notification)
-        * arriving here, means that the report arrived but we did not have a
-        * paired dj_device associated to the report's device_index, this
-        * means that the original "device paired" notification corresponding
-        * to this dj_device never arrived to this driver. The reason is that
-        * hid-core discards all packets coming from a device while probe() is
-        * executing. */
-       if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) {
-               /* ok, we don't know the device, just re-ask the
-                * receiver for the list of connected devices. */
-               retval = logi_dj_recv_query_paired_devices(djrcv_dev);
-               if (!retval) {
-                       /* everything went fine, so just leave */
-                       break;
-               }
-               dev_err(&djrcv_dev->hdev->dev,
-                       "%s:logi_dj_recv_query_paired_devices "
-                       "error:%d\n", __func__, retval);
-               }
                dbg_hid("%s: unexpected report type\n", __func__);
        }
 }
@@ -396,12 +367,6 @@ static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev,
        if (!djdev) {
                dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]"
                        " is NULL, index %d\n", dj_report->device_index);
-               kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report));
-
-               if (schedule_work(&djrcv_dev->work) == 0) {
-                       dbg_hid("%s: did not schedule the work item, was already "
-                       "queued\n", __func__);
-               }
                return;
        }
 
@@ -432,12 +397,6 @@ static void logi_dj_recv_forward_report(struct dj_receiver_dev *djrcv_dev,
        if (dj_device == NULL) {
                dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]"
                        " is NULL, index %d\n", dj_report->device_index);
-               kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report));
-
-               if (schedule_work(&djrcv_dev->work) == 0) {
-                       dbg_hid("%s: did not schedule the work item, was already "
-                       "queued\n", __func__);
-               }
                return;
        }
 
@@ -459,19 +418,25 @@ static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev,
                                    struct dj_report *dj_report)
 {
        struct hid_device *hdev = djrcv_dev->hdev;
-       int sent_bytes;
+       struct hid_report *report;
+       struct hid_report_enum *output_report_enum;
+       u8 *data = (u8 *)(&dj_report->device_index);
+       int i;
 
-       if (!hdev->hid_output_raw_report) {
-               dev_err(&hdev->dev, "%s:"
-                       "hid_output_raw_report is null\n", __func__);
+       output_report_enum = &hdev->report_enum[HID_OUTPUT_REPORT];
+       report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT];
+
+       if (!report) {
+               dev_err(&hdev->dev, "%s: unable to find dj report\n", __func__);
                return -ENODEV;
        }
 
-       sent_bytes = hdev->hid_output_raw_report(hdev, (u8 *) dj_report,
-                                                sizeof(struct dj_report),
-                                                HID_OUTPUT_REPORT);
+       for (i = 0; i < report->field[0]->report_count; i++)
+               report->field[0]->value[i] = data[i];
+
+       hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
 
-       return (sent_bytes < 0) ? sent_bytes : 0;
+       return 0;
 }
 
 static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
@@ -479,10 +444,6 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
        struct dj_report *dj_report;
        int retval;
 
-       /* no need to protect djrcv_dev->querying_devices */
-       if (djrcv_dev->querying_devices)
-               return 0;
-
        dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
        if (!dj_report)
                return -ENOMEM;
@@ -494,7 +455,6 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
        return retval;
 }
 
-
 static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
                                          unsigned timeout)
 {
@@ -638,7 +598,7 @@ static int logi_dj_ll_input_event(struct input_dev *dev, unsigned int type,
        hid_set_field(report->field[0], 1, REPORT_TYPE_LEDS);
        hid_set_field(report->field[0], 2, data[1]);
 
-       usbhid_submit_report(dj_rcv_hiddev, report, USB_DIR_OUT);
+       hid_hw_request(dj_rcv_hiddev, report, HID_REQ_SET_REPORT);
 
        return 0;
 
@@ -803,6 +763,9 @@ static int logi_dj_probe(struct hid_device *hdev,
                goto llopen_failed;
        }
 
+       /* Allow incoming packets to arrive: */
+       hid_device_io_start(hdev);
+
        retval = logi_dj_recv_query_paired_devices(djrcv_dev);
        if (retval < 0) {
                dev_err(&hdev->dev, "%s:logi_dj_recv_query_paired_devices "