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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-18 12:25:35 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-19 11:17:36 +0000 |
| commit | 6937c947d31186750f72c9f8c942bbcc6fe63585 (patch) | |
| tree | 739659b89699c586727252b5d6b58a6d4453e7b5 | |
| parent | fdb6b1e195757a66670801702e4b5fcc66ed3d72 (diff) | |
| download | blackbird-op-linux-6937c947d31186750f72c9f8c942bbcc6fe63585.tar.gz blackbird-op-linux-6937c947d31186750f72c9f8c942bbcc6fe63585.zip | |
ASoC: Bail out of wm_hubs DC servo if calibration fails
We're keeping track of the number of times we've iterated but never
actually using this to bail out if the chip looks stuck.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
| -rw-r--r-- | sound/soc/codecs/wm_hubs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 0ad9f5d536c6..486bdd21a98a 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -74,7 +74,7 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec) msleep(1); reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0); dev_dbg(codec->dev, "DC servo: %x\n", reg); - } while (reg & WM8993_DCS_DATAPATH_BUSY); + } while (reg & WM8993_DCS_DATAPATH_BUSY && count < 400); if (reg & WM8993_DCS_DATAPATH_BUSY) dev_err(codec->dev, "Timed out waiting for DC Servo\n"); |
