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-rw-r--r--sound/hda/ext/hdac_ext_controller.c75
1 files changed, 0 insertions, 75 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c
index cd65e007e864..261469188566 100644
--- a/sound/hda/ext/hdac_ext_controller.c
+++ b/sound/hda/ext/hdac_ext_controller.c
@@ -29,81 +29,6 @@
*/
#define HDAC_MAX_CAPS 10
-/**
- * snd_hdac_ext_bus_parse_capabilities - parse capablity structure
- * @ebus: the pointer to extended bus object
- *
- * Returns 0 if successful, or a negative error code.
- */
-int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *ebus)
-{
- unsigned int cur_cap;
- unsigned int offset;
- struct hdac_bus *bus = &ebus->bus;
- unsigned int counter = 0;
-
- offset = snd_hdac_chip_readl(bus, LLCH);
-
- /* Lets walk the linked capabilities list */
- do {
- cur_cap = _snd_hdac_chip_read(l, bus, offset);
-
- dev_dbg(bus->dev, "Capability version: 0x%x\n",
- ((cur_cap & AZX_CAP_HDR_VER_MASK) >> AZX_CAP_HDR_VER_OFF));
-
- dev_dbg(bus->dev, "HDA capability ID: 0x%x\n",
- (cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF);
-
- switch ((cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF) {
- case AZX_ML_CAP_ID:
- dev_dbg(bus->dev, "Found ML capability\n");
- ebus->mlcap = bus->remap_addr + offset;
- break;
-
- case AZX_GTS_CAP_ID:
- dev_dbg(bus->dev, "Found GTS capability offset=%x\n", offset);
- ebus->gtscap = bus->remap_addr + offset;
- break;
-
- case AZX_PP_CAP_ID:
- /* PP capability found, the Audio DSP is present */
- dev_dbg(bus->dev, "Found PP capability offset=%x\n", offset);
- ebus->ppcap = bus->remap_addr + offset;
- break;
-
- case AZX_SPB_CAP_ID:
- /* SPIB capability found, handler function */
- dev_dbg(bus->dev, "Found SPB capability\n");
- ebus->spbcap = bus->remap_addr + offset;
- break;
-
- case AZX_DRSM_CAP_ID:
- /* DMA resume capability found, handler function */
- dev_dbg(bus->dev, "Found DRSM capability\n");
- ebus->drsmcap = bus->remap_addr + offset;
- break;
-
- default:
- dev_dbg(bus->dev, "Unknown capability %d\n", cur_cap);
- break;
- }
-
- counter++;
-
- if (counter > HDAC_MAX_CAPS) {
- dev_err(bus->dev, "We exceeded HDAC Ext capablities!!!\n");
- break;
- }
-
- /* read the offset of next capabiity */
- offset = cur_cap & AZX_CAP_HDR_NXT_PTR_MASK;
-
- } while (offset);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_parse_capabilities);
-
/*
* processing pipe helpers - these helpers are useful for dealing with HDA
* new capability of processing pipelines