V4L/DVB: tm6000: bugfix data handling

Signed-off-by: Stefan Ringel <stefan.ringel@arcor.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/staging/tm6000/tm6000-input.c b/drivers/staging/tm6000/tm6000-input.c
index 32f7a0af6938094380e9de73b933f652f0a00612..54f7667cc7062b640f2fb97717f7c7c26768f2cf 100644 (file)
--- a/drivers/staging/tm6000/tm6000-input.c
+++ b/drivers/staging/tm6000/tm6000-input.c
@@ -46,7 +46,7 @@ MODULE_PARM_DESC(enable_ir, "enable ir (default is enable");
        }
 
 struct tm6000_ir_poll_result {
-       u8 rc_data[4];
+       u16 rc_data;
 };
 
 struct tm6000_IR {
@@ -60,9 +60,9 @@ struct tm6000_IR {
        int                     polling;
        struct delayed_work     work;
        u8                      wait:1;
+       u8                      key:1;
        struct urb              *int_urb;
        u8                      *urb_data;
-       u8                      key:1;
 
        int (*get_key) (struct tm6000_IR *, struct tm6000_ir_poll_result *);
 
@@ -122,13 +122,14 @@ static void tm6000_ir_urb_received(struct urb *urb)
 
        if (urb->status != 0)
                printk(KERN_INFO "not ready\n");
-       else if (urb->actual_length > 0)
+       else if (urb->actual_length > 0) {
                memcpy(ir->urb_data, urb->transfer_buffer, urb->actual_length);
 
-       dprintk("data %02x %02x %02x %02x\n", ir->urb_data[0],
-       ir->urb_data[1], ir->urb_data[2], ir->urb_data[3]);
+               dprintk("data %02x %02x %02x %02x\n", ir->urb_data[0],
+                       ir->urb_data[1], ir->urb_data[2], ir->urb_data[3]);
 
-       ir->key = 1;
+               ir->key = 1;
+       }
 
        rc = usb_submit_urb(urb, GFP_ATOMIC);
 }
@@ -140,30 +141,47 @@ static int default_polling_getkey(struct tm6000_IR *ir,
        int rc;
        u8 buf[2];
 
-       if (ir->wait && !&dev->int_in) {
-               poll_result->rc_data[0] = 0xff;
+       if (ir->wait && !&dev->int_in)
                return 0;
-       }
 
        if (&dev->int_in) {
-               poll_result->rc_data[0] = ir->urb_data[0];
-               poll_result->rc_data[1] = ir->urb_data[1];
+               if (ir->ir.ir_type == IR_TYPE_RC5)
+                       poll_result->rc_data = ir->urb_data[0];
+               else
+                       poll_result->rc_data = ir->urb_data[0] | ir->urb_data[1] << 8;
        } else {
                tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
                msleep(10);
                tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1);
                msleep(10);
 
-               rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR |
-                USB_RECIP_DEVICE, REQ_02_GET_IR_CODE, 0, 0, buf, 1);
+               if (ir->ir.ir_type == IR_TYPE_RC5) {
+                       rc = tm6000_read_write_usb(dev, USB_DIR_IN |
+                               USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                               REQ_02_GET_IR_CODE, 0, 0, buf, 1);
 
-               msleep(10);
+                       msleep(10);
 
-               dprintk("read data=%02x\n", buf[0]);
-               if (rc < 0)
-                       return rc;
+                       dprintk("read data=%02x\n", buf[0]);
+                       if (rc < 0)
+                               return rc;
 
-               poll_result->rc_data[0] = buf[0];
+                       poll_result->rc_data = buf[0];
+               } else {
+                       rc = tm6000_read_write_usb(dev, USB_DIR_IN |
+                               USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                               REQ_02_GET_IR_CODE, 0, 0, buf, 2);
+
+                       msleep(10);
+
+                       dprintk("read data=%04x\n", buf[0] | buf[1] << 8);
+                       if (rc < 0)
+                               return rc;
+
+                       poll_result->rc_data = buf[0] | buf[1] << 8;
+               }
+               if ((poll_result->rc_data & 0x00ff) != 0xff)
+                       ir->key = 1;
        }
        return 0;
 }
@@ -180,12 +198,11 @@ static void tm6000_ir_handle_key(struct tm6000_IR *ir)
                return;
        }
 
-       dprintk("ir->get_key result data=%02x %02x\n",
-               poll_result.rc_data[0], poll_result.rc_data[1]);
+       dprintk("ir->get_key result data=%04x\n", poll_result.rc_data);
 
-       if (poll_result.rc_data[0] != 0xff && ir->key == 1) {
+       if (ir->key) {
                ir_input_keydown(ir->input->input_dev, &ir->ir,
-                       poll_result.rc_data[0] | poll_result.rc_data[1] << 8);
+                               (u32)poll_result.rc_data);
 
                ir_input_nokey(ir->input->input_dev, &ir->ir);
                ir->key = 0;