From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga04.intel.com ([192.55.52.120]:16734 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753296AbcJEHXT (ORCPT ); Wed, 5 Oct 2016 03:23:19 -0400 Received: from nauris.fi.intel.com (nauris.localdomain [192.168.240.2]) by paasikivi.fi.intel.com (Postfix) with ESMTP id 0CDB720D33 for ; Wed, 5 Oct 2016 10:23:17 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [RFC 4/5] smiapp: Support ACPI power control Date: Wed, 5 Oct 2016 10:21:48 +0300 Message-Id: <1475652109-22164-5-git-send-email-sakari.ailus@linux.intel.com> In-Reply-To: <1475652109-22164-1-git-send-email-sakari.ailus@linux.intel.com> References: <1475652109-22164-1-git-send-email-sakari.ailus@linux.intel.com> Sender: linux-media-owner@vger.kernel.org List-ID: On ACPI systems the ACPI will control at least regulators to the sensor. On such systems the sensor driver does not explicitly need to control them, thus make them optional. Signed-off-by: Sakari Ailus --- drivers/media/i2c/smiapp/smiapp-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index 59872b3..e0d7586 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -2887,7 +2887,7 @@ static int smiapp_probe(struct i2c_client *client, v4l2_i2c_subdev_init(&sensor->src->sd, client, &smiapp_ops); sensor->src->sd.internal_ops = &smiapp_internal_src_ops; - sensor->vana = devm_regulator_get(&client->dev, "vana"); + sensor->vana = devm_regulator_get_optional(&client->dev, "vana"); if (IS_ERR(sensor->vana)) { dev_err(&client->dev, "could not get regulator for vana\n"); return PTR_ERR(sensor->vana); -- 2.7.4