[alsa-devel] [PATCH] ASoC: sgtl5000: avoid division by zero if lo_vag is zero

[Dan Carpenter]

On Thu, Sep 06, 2018 at 11:41:52AM +0100, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> In the case where lo_vag <= SGTL5000_LINE_OUT_GND_BASE, lo_vag
> is set to zero and later vol_quot is computed by dividing by
> lo_vag causing a division by zero error.  Fix this by avoiding
> a zero division and set vol_quot to zero in this specific case
> so that the lowest setting for i is correctly set.
> 

This is a very clever patch.  How did you find the bug?

regards,
dan carpenter