V4L/DVB (10945): pwc : fix LED and power setup for first open

Call pwc_construct before trying to talk to device to obtain vc interface so
that LED and power setup works the first time the video device is opened.

Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index a7c2e72..7c542ca 100644 (file)
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -1125,6 +1125,7 @@ static int pwc_video_open(struct file *file)
        }
 
        mutex_lock(&pdev->modlock);
+       pwc_construct(pdev); /* set min/max sizes correct */
        if (!pdev->usb_init) {
                PWC_DEBUG_OPEN("Doing first time initialization.\n");
                pdev->usb_init = 1;
@@ -1149,7 +1150,6 @@ static int pwc_video_open(struct file *file)
        if (pwc_set_leds(pdev, led_on, led_off) < 0)
                PWC_DEBUG_OPEN("Failed to set LED on/off time.\n");
 
-       pwc_construct(pdev); /* set min/max sizes correct */
 
        /* So far, so good. Allocate memory. */
        i = pwc_allocate_buffers(pdev);