From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from nblzone-211-213.nblnetworks.fi ([83.145.211.213]:51942 "EHLO hillosipuli.retiisi.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751469AbdH2Ml2 (ORCPT ); Tue, 29 Aug 2017 08:41:28 -0400 Received: from lanttu.localdomain (unknown [IPv6:2001:1bc8:1a6:d3d5::e1:1002]) by hillosipuli.retiisi.org.uk (Postfix) with ESMTP id EC923600FA for ; Tue, 29 Aug 2017 15:41:26 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH 4/4] smiapp: Make clock control optional Date: Tue, 29 Aug 2017 15:41:25 +0300 Message-Id: <20170829124125.30879-5-sakari.ailus@linux.intel.com> In-Reply-To: <20170829124125.30879-1-sakari.ailus@linux.intel.com> References: <20170829124125.30879-1-sakari.ailus@linux.intel.com> Sender: linux-media-owner@vger.kernel.org List-ID: The clock control is not explicitly controlled by the driver in two cases: ACPI based systems and when the clock is part of the power sequence of the camera module. Signed-off-by: Sakari Ailus --- drivers/media/i2c/smiapp/smiapp-core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index 009b5e26204b..fbd851be51d2 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -2892,7 +2892,10 @@ static int smiapp_probe(struct i2c_client *client, } sensor->ext_clk = devm_clk_get(&client->dev, NULL); - if (IS_ERR(sensor->ext_clk)) { + if (PTR_ERR(sensor->ext_clk) == -ENOENT) { + dev_info(&client->dev, "no clock defined, continuing...\n"); + sensor->ext_clk = NULL; + } else if (IS_ERR(sensor->ext_clk)) { dev_err(&client->dev, "could not get clock (%ld)\n", PTR_ERR(sensor->ext_clk)); return -EPROBE_DEFER; -- 2.11.0