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w1: add touch block command

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Writes and returns sampled data back to userspace.

Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Evgeniy Polyakov
2009-01-07 18:09:01 -08:00
committed by Linus Torvalds
parent 610705e780
commit 9be62e0b2f
4 changed files with 35 additions and 4 deletions
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11
drivers/w1/w1_netlink.c
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@@ -108,6 +108,10 @@ static int w1_process_command_slave(struct w1_slave *sl, struct cn_msg *msg,
cmd->cmd, cmd->len);
switch (cmd->cmd) {
case W1_CMD_TOUCH:
w1_touch_block(sl->master, cmd->data, cmd->len);
w1_send_read_reply(sl, msg, hdr, cmd);
break;
case W1_CMD_READ:
w1_read_block(sl->master, cmd->data, cmd->len);
w1_send_read_reply(sl, msg, hdr, cmd);
@@ -208,9 +212,6 @@ static void w1_cn_callback(void *data)
break;
}
if (!mlen)
goto out_cont;
if (m->type == W1_MASTER_CMD) {
dev = w1_search_master_id(m->id.mst.id);
} else if (m->type == W1_SLAVE_CMD) {
@@ -227,6 +228,10 @@ static void w1_cn_callback(void *data)
goto out_cont;
}
err = 0;
if (!mlen)
goto out_cont;
mutex_lock(&dev->mutex);
if (sl && w1_reset_select_slave(sl)) {