diff options
| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2015-01-30 13:17:47 -0700 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2015-03-09 16:40:52 +0100 |
| commit | f0843868acdcfaa2767c6ae248f57d940247f7bd (patch) | |
| tree | 08383621dbfc1a82233a95d07e9ed17d6f5108be | |
| parent | 9f067d8709639ea23ae6538d800c0822ed6e707f (diff) | |
ASoC: sgtl5000: add delay before first I2C access
Updated to match patch sent to mainline.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
(cherry picked from commit b6a502e0748578efc2ba55c8c8c9a59c760b0f70)
| -rw-r--r-- | sound/soc/codecs/sgtl5000.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index 1ecf612b6e2f..2780cf49c457 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -1494,7 +1494,8 @@ static int sgtl5000_i2c_probe(struct i2c_client *client, if (ret) return ret; - usleep_range(1,2); /* Data sheet says minimum 1uS delay after SYS_MCLK */ + /* Need 8 clocks before I2C accesses */ + udelay(1); /* read chip information */ ret = sgtl5000_read16(client, SGTL5000_CHIP_ID, ®); |