diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc-ctrl.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-ctrl.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index 19221cbca8c3..69a1c6f37956 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -782,29 +782,32 @@ int pwc_get_shutter_speed(struct pwc_device *pdev, int *value) return 0; } - /* POWER */ - -int pwc_camera_power(struct pwc_device *pdev, int power) +void pwc_camera_power(struct pwc_device *pdev, int power) { char buf; + int r; + + if (!pdev->power_save) + return; if (pdev->type < 675 || (pdev->type < 730 && pdev->release < 6)) - return 0; /* Not supported by Nala or Timon < release 6 */ + return; /* Not supported by Nala or Timon < release 6 */ if (power) buf = 0x00; /* active */ else buf = 0xFF; /* power save */ - return send_control_msg(pdev, + r = send_control_msg(pdev, SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, &buf, sizeof(buf)); -} - + if (r < 0) + PWC_ERROR("Failed to power %s camera (%d)\n", + power ? "on" : "off", r); +} /* private calls */ - int pwc_restore_user(struct pwc_device *pdev) { return send_control_msg(pdev, @@ -1011,6 +1014,7 @@ static int pwc_get_wb_delay(struct pwc_device *pdev, int *value) int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value) { unsigned char buf[2]; + int r; if (pdev->type < 730) return 0; @@ -1028,8 +1032,12 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value) buf[0] = on_value; buf[1] = off_value; - return send_control_msg(pdev, + r = send_control_msg(pdev, SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf)); + if (r < 0) + PWC_ERROR("Failed to set LED on/off time (%d)\n", r); + + return r; } static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value) |
