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Diffstat (limited to 'sound/pci/hda/hda_controller.c')
-rw-r--r--sound/pci/hda/hda_controller.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 206306a0eb82..766734dc5be2 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -3,7 +3,7 @@
*
* Implementation of primary alsa driver code base for Intel HD Audio.
*
- * Copyright(c) 2004 Intel Corporation. All rights reserved.
+ * Copyright(c) 2004 Intel Corporation
*
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
* PeiSen Hou <pshou@realtek.com.tw>
@@ -914,7 +914,7 @@ static int azx_send_cmd(struct hdac_bus *bus, unsigned int val)
if (chip->disabled)
return 0;
- if (chip->single_cmd)
+ if (chip->single_cmd || bus->use_pio_for_commands)
return azx_single_send_cmd(bus, val);
else
return snd_hdac_bus_send_cmd(bus, val);
@@ -928,7 +928,7 @@ static int azx_get_response(struct hdac_bus *bus, unsigned int addr,
if (chip->disabled)
return 0;
- if (chip->single_cmd)
+ if (chip->single_cmd || bus->use_pio_for_commands)
return azx_single_get_response(bus, addr, res);
else
return azx_rirb_get_response(bus, addr, res);
@@ -1075,11 +1075,9 @@ irqreturn_t azx_interrupt(int irq, void *dev_id)
bool active, handled = false;
int repeat = 0; /* count for avoiding endless loop */
-#ifdef CONFIG_PM
if (azx_has_pm_runtime(chip))
if (!pm_runtime_active(chip->card->dev))
return IRQ_NONE;
-#endif
spin_lock(&bus->reg_lock);
@@ -1188,6 +1186,9 @@ int azx_bus_init(struct azx *chip, const char *model)
if (chip->driver_caps & AZX_DCAPS_4K_BDLE_BOUNDARY)
bus->core.align_bdle_4k = true;
+ if (chip->driver_caps & AZX_DCAPS_PIO_COMMANDS)
+ bus->core.use_pio_for_commands = true;
+
/* enable sync_write flag for stable communication as default */
bus->core.sync_write = 1;