Blackberry is believed to have gone from Wolfson's second largest customer in 2012 to zero sales in the second half of 2013.
But better revenue from other customers, which include
However pre-tax losses widened from
Gross margin dipped from 46.9% to 42.3%, which was attributed to sales of an individual part to a single customer. Wolfson said the part was now being replaced by one with a higher value and higher margin.
The annual results sent Wolfson's share price tumbling 5p, or 3.85%, to close the day at 125p.
In expectation of that ramping up of activities Wolfson has signed a three-year
"That facility is purely there to fund growth, not for any other reason. We have no debt and
He said: "What we do know is we are engaging with a lot of customers on their platforms and phones that are coming to market. If they come to market and sell, then we should be in quite a good position.
"The big unknown is if the platforms become a success. What we can do is make sure we can have as much of the available phones that come to market as possible and that maximises the chances we are in the ones that sell."
The company highlighted it was continuing to see its products designed into a growing range of devices, including voice-activated fridges, washing machines and hoovers. Its components are also in 14 Chinese smartphone brands, with that market the biggest in the world.
The growing transition to internet-enabled televisions and cameras is also an area
Wearable technology - from smartwatches to
He also highlighted the possibility of Wolfson's chips being used for wearable devices to monitor health.
A cost-cutting and redundancy programme is expected to be completed by the first quarter of this year and lead to around