This string is needed to avoid work of the second dma channel if we need
only one to send data (i.e. send only one small chunk).
Otherwise it will produce:
# cat /home/out.txt >/dev/dsp
MUX: initialized N14_1610_UWIRE_CS0
audio_dsr_handler}-ERROR: Interrupt(3) for empty queue(h=1, T=1)???
Interrupt(3) for empty queue(h=1, T=1)???
{audio_dsr_handler}-ERROR: nbfrag=8,pendfrags=0,USR-H=1, QH-1 QT-1
MUX: initialized V5_1710_MCLK_OFF
The attached patch should solve the probelm that pointed David Cohen.
Signed-off-by: Vladimir A. Barinov <vbarinov@ru.mvista.com> Signed-off-by: Tony Lindgren <tony@atomide.com>