ALSA: hda: Make snd_hdac_display_power() void function

After the recent refactoring, snd_hdac_display_power() doesn't return
any error, hence it can be defined to return void.
This makes many error checks redundant and allows us to reduce them
gracefully.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 5 insertions, 18 deletions

diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index c3d551d2af7f..552ed1968bc4 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -2031,13 +2031,8 @@ static int hdac_hdmi_dev_probe(struct hdac_device *hdev)
 	 * Turned off in the runtime_suspend during the first explicit
 	 * pm_runtime_suspend call.
 	 */
-	ret = snd_hdac_display_power(hdev->bus, hdev->addr, true);
-	if (ret < 0) {
-		dev_err(&hdev->dev,
-			"Cannot turn on display power on i915 err: %d\n",
-			ret);
-		return ret;
-	}
+	snd_hdac_display_power(hdev->bus, hdev->addr, true);
+
 	ret = hdac_hdmi_parse_and_map_nid(hdev, &hdmi_dais, &num_dais);
 	if (ret < 0) {
 		dev_err(&hdev->dev,
@@ -2169,7 +2164,6 @@ static int hdac_hdmi_runtime_suspend(struct device *dev)
 	struct hdac_device *hdev = dev_to_hdac_dev(dev);
 	struct hdac_bus *bus = hdev->bus;
 	struct hdac_ext_link *hlink = NULL;
-	int err;
 
 	dev_dbg(dev, "Enter: %s\n", __func__);
 
@@ -2195,11 +2189,9 @@ static int hdac_hdmi_runtime_suspend(struct device *dev)
 
 	snd_hdac_ext_bus_link_put(bus, hlink);
 
-	err = snd_hdac_display_power(bus, hdev->addr, false);
-	if (err < 0)
-		dev_err(dev, "Cannot turn off display power on i915\n");
+	snd_hdac_display_power(bus, hdev->addr, false);
 
-	return err;
+	return 0;
 }
 
 static int hdac_hdmi_runtime_resume(struct device *dev)
@@ -2207,7 +2199,6 @@ static int hdac_hdmi_runtime_resume(struct device *dev)
 	struct hdac_device *hdev = dev_to_hdac_dev(dev);
 	struct hdac_bus *bus = hdev->bus;
 	struct hdac_ext_link *hlink = NULL;
-	int err;
 
 	dev_dbg(dev, "Enter: %s\n", __func__);
 
@@ -2223,11 +2214,7 @@ static int hdac_hdmi_runtime_resume(struct device *dev)
 
 	snd_hdac_ext_bus_link_get(bus, hlink);
 
-	err = snd_hdac_display_power(bus, hdev->addr, true);
-	if (err < 0) {
-		dev_err(dev, "Cannot turn on display power on i915\n");
-		return err;
-	}
+	snd_hdac_display_power(bus, hdev->addr, true);
 
 	hdac_hdmi_skl_enable_all_pins(hdev);
 	hdac_hdmi_skl_enable_dp12(hdev);