On 02/09/16 23:48, Srinivas Pandruvada wrote: > On Tue, 2016-08-30 at 22:42 +0000, Pandruvada, Srinivas wrote: >> Hi All, >> >> I observed that using iio-sensor-proxy.service, the auto screen >> rotation flipped on my laptop (Normal -> vertical, vertical->normal) >> using kernel v4.8. >> >> Anyone else has seen this? >> >> I did a bisect and found a commit, which I am not sure how can it >> impact. >> >> >> commit 703b5faf22fbddf984a361e6555f3a03fdba63d9 >> Author: George Spelvin <linux@xxxxxxxxxxxxxxxxxxx> >> Date: Fri Jun 10 00:22:12 2016 -0400 >> > [...] > > It turns out to be some assumption user space program is making about > the traversing directory using glib call g_dir_read_name(). > > With the commit 703b5faf22fbddf984a361e6555f3a03fdba63d9 (fs/dcache.c: > Save one 32-bit multiply in dcache lookup) > in kernel 4.8-rc, somehow the order is changed (so the in_accel_y was > appearing before in_accel_x ) > > I modified user space program to use correct iio scan element index to > determine byte offset instead depending on the glib_dir_read_name, > which doesn't guarantee any order. > > I sent a pull request to author of iio-sensor-proxy to review. > > Hadess, > Please look. > > https://github.com/hadess/iio-sensor-proxy/pull/99/commits/de80c50b2678 > 2ba6e899ee5a95b31b28790c940d Good find Srinivas and thanks for keeping us updated with your progress tracking this down! Jonathan > > > Thanks, > Srinivas > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
