From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre-Louis Bossart Subject: [RFC PATCH 34/40] soundwire: intel: ignore disabled links for suspend/resume Date: Thu, 25 Jul 2019 18:40:26 -0500 Message-ID: <20190725234032.21152-35-pierre-louis.bossart@linux.intel.com> References: <20190725234032.21152-1-pierre-louis.bossart@linux.intel.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190725234032.21152-1-pierre-louis.bossart@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com, Pierre-Louis Bossart , Sanyog Kale List-Id: alsa-devel@alsa-project.org Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/intel.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 1477c35f616f..a976480d6f36 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1161,6 +1161,12 @@ static int intel_suspend(struct device *dev) sdw = dev_get_drvdata(dev); + if (sdw->cdns.bus.prop.hw_disabled) { + dev_dbg(dev, "SoundWire master %d is disabled, ignoring\n", + sdw->cdns.bus.link_id); + return 0; + } + ret = intel_link_power_down(sdw); if (ret) { dev_err(dev, "Link power down failed: %d", ret); @@ -1179,6 +1185,12 @@ static int intel_resume(struct device *dev) sdw = dev_get_drvdata(dev); + if (sdw->cdns.bus.prop.hw_disabled) { + dev_dbg(dev, "SoundWire master %d is disabled, ignoring\n", + sdw->cdns.bus.link_id); + return 0; + } + ret = intel_init(sdw); if (ret) { dev_err(dev, "%s failed: %d", __func__, ret); -- 2.20.1