On Friday 22 October 2010 15:11:21 ext Peter Ujfalusi wrote:
> Change the busy loop delays with usleep_range or msleep calls.
> - /* wait for offset cancellation to complete */
> + /*
> + * Wait for offset cancellation to complete.
> + * Since this takes a while, do not slam the i2c.
> + * The least amount of time is not known, but measurement showed, that
> + * the cancelation usually finishes 20 - 28 ms, when
> + * TWL4030_OFFSET_CNCL_SEL == 1.
> + * Start polling the status after 10ms.
> + */
> + usleep_range(10000, 11000);
> do {
> /* this takes a little while, so don't slam i2c */
I'll resend, and remove this comment, since it is not needed anymore...
> - udelay(2000);
> + usleep_range(1000, 2000);
> twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
> TWL4030_REG_ANAMICL);
> } while ((i++ < 100) &&
--
Péter
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