diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /sound/hda/ext/hdac_ext_controller.c | |
parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) |
Linux-libre 4.5-gnu
Diffstat (limited to 'sound/hda/ext/hdac_ext_controller.c')
-rw-r--r-- | sound/hda/ext/hdac_ext_controller.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index 63215b172..548cc1e41 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -77,6 +77,12 @@ int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *ebus) 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; @@ -240,7 +246,7 @@ static int check_hdac_link_power_active(struct hdac_ext_link *link, bool enable) int mask = (1 << AZX_MLCTL_CPA); udelay(3); - timeout = 50; + timeout = 150; do { val = readl(link->ml_addr + AZX_REG_ML_LCTL); @@ -282,6 +288,27 @@ int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link) EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down); /** + * snd_hdac_ext_bus_link_power_up_all -power up all hda link + * @ebus: HD-audio extended bus + */ +int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus) +{ + struct hdac_ext_link *hlink = NULL; + int ret; + + list_for_each_entry(hlink, &ebus->hlink_list, list) { + snd_hdac_updatel(hlink->ml_addr, + AZX_REG_ML_LCTL, 0, AZX_MLCTL_SPA); + ret = check_hdac_link_power_active(hlink, true); + if (ret < 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_up_all); + +/** * snd_hdac_ext_bus_link_power_down_all -power down all hda link * @ebus: HD-audio extended bus */ |