Commit 2abdc357 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Guenter Roeck
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hwmon: (lm90) Unmask hardware interrupt 



The ALERT interrupt is enabled by default after power-on, but it could
be masked by bootloader. For example this is the case on Acer A500 tablet
device. Unmask the hardware interrupt if interrupt is provided.

Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 94dbd23e

drivers/hwmon/lm90.c

+7 −0
Original line number Diff line number Diff line
@@ -1704,6 +1704,13 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data) 
	if (data->kind == max6696)

		config &= ~0x08;



	/*

	 * Interrupt is enabled by default on reset, but it may be disabled

	 * by bootloader, unmask it.

	 */

	if (client->irq)

		config &= ~0x80;



	config &= 0xBF;	/* run */

	lm90_update_confreg(data, config);