Otherwise we might get an error if the GPIO is configured as an input since that makes the register volatile and a suspended device can't be read from.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8994.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 1653000..a0eaf93 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -3554,6 +3554,9 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec) wm8994->fll_locked_irq = false; }
+ /* Make sure we can read from the GPIOs if they're inputs */ + pm_runtime_get_sync(codec->dev); + /* Remember if AIFnLRCLK is configured as a GPIO. This should be * configured on init - if a system wants to do this dynamically * at runtime we can deal with that then. @@ -3582,6 +3585,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec) wm8994->lrclk_shared[1] = 0; }
+ pm_runtime_put(codec->dev); + /* Latch volume updates (right only; we always do left then right). */ snd_soc_update_bits(codec, WM8994_AIF1_DAC1_LEFT_VOLUME, WM8994_AIF1DAC1_VU, WM8994_AIF1DAC1_VU);