Don't want to upset the DSP.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8958-dsp2.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c index ca26779..0293763 100644 --- a/sound/soc/codecs/wm8958-dsp2.c +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -362,6 +362,10 @@ static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start) path, wm8994->dsp_active, start, pwr_reg, reg);
if (start && ena) { + /* If the DSP is already running then noop */ + if (reg & WM8958_DSP2_ENA) + return; + /* If either AIFnCLK is not yet enabled postpone */ if (!(snd_soc_read(codec, WM8994_AIF1_CLOCKING_1) & WM8994_AIF1CLK_ENA_MASK) &&