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    Subject[PATCH 08/22 v4] Input: atmel_mxt_ts - print less overhead when dumping objects
    Date
    Conserve limited (PAGE_SIZE) sysfs output buffer space by only showing
    readable objects and not printing the object's index, which is not useful
    to userspace.

    Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
    ---
    drivers/input/touchscreen/atmel_mxt_ts.c | 12 ++++--------
    1 files changed, 4 insertions(+), 8 deletions(-)

    diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
    index 8c99d6d..65fd89b 100644
    --- a/drivers/input/touchscreen/atmel_mxt_ts.c
    +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
    @@ -896,15 +896,11 @@ static ssize_t mxt_object_show(struct device *dev,
    for (i = 0; i < data->info.object_num; i++) {
    object = data->object_table + i;

    - count += scnprintf(buf + count, PAGE_SIZE - count,
    - "Object[%d] (Type %d)\n",
    - i + 1, object->type);
    -
    - if (!mxt_object_readable(object->type)) {
    - count += scnprintf(buf + count, PAGE_SIZE - count,
    - "\n");
    + if (!mxt_object_readable(object->type))
    continue;
    - }
    +
    + count += scnprintf(buf + count, PAGE_SIZE - count,
    + "T%u:\n", object->type);

    error = __mxt_read_reg(data->client, object->start_address,
    object->size + 1, obuf);
    --
    1.7.7.3


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