Commit 05d42522 authored Sep 18, 2009 by Pavel Machek Committed by Greg Kroah-Hartman Dec 11, 2009

Staging: dream: Synaptics touchscreen for HTC Dream: check that smbus is available



Check that SMBUS APIs are available in touchscreen driver.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Cc: Trilok Soni <soni.trilok@gmail.com>
Cc: <arve@android.com>
Cc: Brian Swetland <swetland@google.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent b7fa3184

drivers/staging/dream/synaptics_i2c_rmi.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -379,6 +379,12 @@ static int __devinit synaptics_ts_probe(
		goto err_check_functionality_failed;
		}

		if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
		pr_err("synaptics_ts_probe: need I2C_FUNC_SMBUS_WORD_DATA\n");
		ret = -ENODEV;
		goto err_check_functionality_failed;
		}

		ts = kzalloc(sizeof(*ts), GFP_KERNEL);
		if (ts == NULL) {
		ret = -ENOMEM;

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