[lkml]   [2012]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 1/8 v7] drm/i915/intel_i2c: handle zero-length writes
    On Fri, 30 Mar 2012 19:46:36 +0800, Daniel Kurtz <> wrote:
    > A common method of probing an i2c bus is trying to do a zero-length write.
    > Handle this case by checking the length first before decrementing it.
    > This is actually important, since attempting a zero-length write is one
    > of the ways that i2cdetect and i2c_new_probed_device detect whether
    > there is device present on the bus with a given address.
    > Signed-off-by: Daniel Kurtz <>

    Having done a good job with handling zero length writes, can I tempt to
    submit a similar fix for zero length reads? ;)

    Chris Wilson, Intel Open Source Technology Centre

     \ /
      Last update: 2012-04-04 00:57    [W:0.022 / U:10.820 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site