imx6solox audio volue addition and subtraction
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I want to add two Volume addition and subtraction buttons,should i add this two GPIO to 1.8V CSI module which control WM8962BECSN/R or other Casual 3.3V module?
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Hi zhang
for volume control examples one can check sect.28.5.1 Stereo Codec Unit Test
attached Linux Manual and unit test package ( ../mxc_sound_test)
www.nxp.com/lgfiles/NMG/MAD/YOCTO/imx-test-5.4.tar.gz
Best regards
igor
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You misunderstood what I meant. I didn't want to ask you about the software. What I want to ask is about the hardware ,where do I connect the Volume adjustment button. Is 1.8V gpio or the 3.3V GPIO?
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you can use any gpio for such purpose, ir does not not matter "1.8V gpio or the 3.3V GPIO".
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ok ,thanks very much!