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| author | John Bonesio <bones@secretlab.ca> | 2009-07-21 13:15:40 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-07-22 00:07:51 +0100 |
| commit | ed0f19b23754dc24f9a2d3c266a36277410f4686 (patch) | |
| tree | 71410ddd79f86ec0f753ce5c1fab35642b1e4477 /sound/soc | |
| parent | bca146578c863a1f37cb191995317e855a0364e1 (diff) | |
| download | linux-ed0f19b23754dc24f9a2d3c266a36277410f4686.tar.gz linux-ed0f19b23754dc24f9a2d3c266a36277410f4686.tar.bz2 linux-ed0f19b23754dc24f9a2d3c266a36277410f4686.zip | |
ASoC: MPC5200: Increase the delay time between resets
Reset was failing with the original udelay(50) between the code in
psc_ac97_cold_reset() and the call to psc_ac97_warm_reset(). Through testing
it was found that a delay of 1ms was necessary for the cold_reset code to
consistently complete successfully.
Signed-off-by: John Bonesio <bones@secretlab.ca>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/fsl/mpc5200_psc_ac97.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c index 7eb549985d49..c4ae3e096bb9 100644 --- a/sound/soc/fsl/mpc5200_psc_ac97.c +++ b/sound/soc/fsl/mpc5200_psc_ac97.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/of_device.h> #include <linux/of_platform.h> +#include <linux/delay.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -112,7 +113,7 @@ static void psc_ac97_cold_reset(struct snd_ac97 *ac97) out_8(®s->op1, MPC52xx_PSC_OP_RES); udelay(10); out_8(®s->op0, MPC52xx_PSC_OP_RES); - udelay(50); + msleep(1); psc_ac97_warm_reset(ac97); } |