diff options
| author | Jarkko Nikula <jhnikula@gmail.com> | 2010-10-28 14:05:40 +0300 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2010-10-30 17:33:38 +0100 |
| commit | 63f7526f26f0a9291ac3f7a986aa18ebfb61ec19 (patch) | |
| tree | 64a8dc4234432cfc064e3ae81e86d7bc8498c0d2 /sound/soc/codecs/tpa6130a2.c | |
| parent | 1bc13b2e3518ff7856924d7c2bdf06196f605260 (diff) | |
| download | lwn-63f7526f26f0a9291ac3f7a986aa18ebfb61ec19.tar.gz lwn-63f7526f26f0a9291ac3f7a986aa18ebfb61ec19.zip | |
ASoC: tpa6130a2: Fix unbalanced regulator disables
This driver has unbalanced regulator_disable when doing module loading and
unloading. This is because tpa6130a2_probe followed by tpa6130a2_remove
calls twice tpa6130a2_power(0). Fix this by implementing a state checking
in tpa6130a2_power.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/codecs/tpa6130a2.c')
| -rw-r--r-- | sound/soc/codecs/tpa6130a2.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c index 329acc1a2074..83b5631b13a8 100644 --- a/sound/soc/codecs/tpa6130a2.c +++ b/sound/soc/codecs/tpa6130a2.c @@ -125,7 +125,7 @@ static int tpa6130a2_power(int power) data = i2c_get_clientdata(tpa6130a2_client); mutex_lock(&data->mutex); - if (power) { + if (power && !data->power_state) { /* Power on */ if (data->power_gpio >= 0) gpio_set_value(data->power_gpio, 1); @@ -153,7 +153,7 @@ static int tpa6130a2_power(int power) val = tpa6130a2_read(TPA6130A2_REG_CONTROL); val &= ~TPA6130A2_SWS; tpa6130a2_i2c_write(TPA6130A2_REG_CONTROL, val); - } else { + } else if (!power && data->power_state) { /* set SWS */ val = tpa6130a2_read(TPA6130A2_REG_CONTROL); val |= TPA6130A2_SWS; |