| commit | 0b684cc14a791accdd6d97cb68242ab5009ece3e | [log] [tgz] |
|---|---|---|
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | Sun Sep 04 07:50:31 2011 -0700 |
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | Mon Sep 19 18:30:59 2011 +0100 |
| tree | 91c8f001d644f4d0cb12a9e46b154bd90c756d60 | |
| parent | 8259df12fd3f3429648411bfff37dfbb34a2d9b2 [diff] |
ASoC: Initial WM8996 headphone impedance measurement support The WM8996 can measure the impedance of accessories connected to the headphone output. Implement initial support for this, measuring the left channel impedance when an accessory is detected and using this to distinguish between a line load and a headphone load. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>