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commands: i2c: Listen for CTRL-C when probing 

Allow I2C bus probing to be interrupted early by sending CTRL-C. This is
usefull when calling the tool without any arguments and one of the busses
is misconfigured (waiting for 100+ failures is pretty inconvenient).

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Andrey Smirnov 2016-11-15 06:46:27 -08:00 committed by Sascha Hauer
parent c97fc31b8d
commit 883fa87397
1 changed files with 1 additions and 1 deletions
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2
commands/i2c.c
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@ -32,7 +32,7 @@ static void i2c_probe_range(struct i2c_adapter *adapter, int startaddr, int stop
client.adapter = adapter;
printf("probing i2c%d range 0x%02x-0x%02x: ", adapter->nr, startaddr, stopaddr);
for (addr = startaddr; addr <= stopaddr; addr++) {
for (addr = startaddr; addr <= stopaddr && !ctrlc(); addr++) {
client.addr = addr;
ret = i2c_write_reg(&client, 0x00, &reg, 0);
if (ret == 0)