[alsa-devel] [PATCH] ASoC: WM8804: Retrieve the device revision and print it
Be verbose and print out the device revision.
Signed-off-by: Dimitris Papastamos dp@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8804.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/wm8804.c b/sound/soc/codecs/wm8804.c index 2657f5c..90c24ae 100644 --- a/sound/soc/codecs/wm8804.c +++ b/sound/soc/codecs/wm8804.c @@ -643,6 +643,14 @@ static int wm8804_probe(struct snd_soc_codec *codec) goto err_reg_enable; }
+ ret = snd_soc_read(codec, WM8804_DEVREV); + if (ret < 0) { + dev_err(codec->dev, "Failed to read device revision: %d\n", + ret); + goto err_reg_enable; + } + dev_info(codec->dev, "revision %d\n", ret); + ret = wm8804_reset(codec); if (ret < 0) { dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
participants (2)
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Dimitris Papastamos
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Mark Brown