diff options
| author | Olaya, Margarita <magi.olaya@ti.com> | 2010-12-10 21:06:07 -0600 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2010-12-14 20:36:47 +0000 |
| commit | 99903ea23655a43ce4f75b64fef69e341fd0b7df (patch) | |
| tree | b53d2cc459efab394034af825b17b88b1cf02fd6 /sound/soc/codecs/twl6040.c | |
| parent | cb973d78f82f038c7d8d78d469fb89842d246871 (diff) | |
ASoC: twl6040: Enable automatic power for phoenix 1.1
Phoenix 1.1 supports automatic power on sequence, a
verification is added to use it with new revision of
the chip.
Signed-off-by: Margarita Olaya Cabrera <magi.olaya@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/codecs/twl6040.c')
| -rw-r--r-- | sound/soc/codecs/twl6040.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 5081e812c528..c54350445d0c 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -1108,6 +1108,7 @@ static int twl6040_probe(struct snd_soc_codec *codec) struct twl6040_data *priv; int audpwron, naudint; int ret = 0; + u8 icrev; priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL); if (priv == NULL) @@ -1116,13 +1117,17 @@ static int twl6040_probe(struct snd_soc_codec *codec) priv->codec = codec; - if (twl_codec) { + twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &icrev, TWL6040_REG_ASICREV); + + if (twl_codec && (icrev > 0)) audpwron = twl_codec->audpwron_gpio; - naudint = twl_codec->naudint_irq; - } else { + else audpwron = -EINVAL; + + if (twl_codec) + naudint = twl_codec->naudint_irq; + else naudint = 0; - } priv->audpwron = audpwron; priv->naudint = naudint; |