From 99903ea23655a43ce4f75b64fef69e341fd0b7df Mon Sep 17 00:00:00 2001 From: "Olaya, Margarita" Date: Fri, 10 Dec 2010 21:06:07 -0600 Subject: [PATCH] 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 Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- sound/soc/codecs/twl6040.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 5081e812c52..c54350445d0 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; -- 2.41.0