Messages in this thread Patch in this message | | | From | Daniel Kurtz <> | Subject | [PATCH 08/21 v5] Input: atmel_mxt_ts - print less overhead when dumping objects | Date | Tue, 26 Jun 2012 14:56:56 +0800 |
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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 94dd1d1..c8cfd7b 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -897,15 +897,11 @@ 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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