diff options
Diffstat (limited to 'sound/pci/hda/cs35l41_hda.c')
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 92ca2b3b6c92..d3fa6e136744 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -12,6 +12,7 @@ #include <sound/hda_codec.h> #include <sound/soc.h> #include <linux/pm_runtime.h> +#include <linux/spi/spi.h> #include "hda_local.h" #include "hda_auto_parser.h" #include "hda_jack.h" @@ -996,6 +997,11 @@ static int cs35l41_smart_amp(struct cs35l41_hda *cs35l41) __be32 halo_sts; int ret; + if (cs35l41->bypass_fw) { + dev_warn(cs35l41->dev, "Bypassing Firmware.\n"); + return 0; + } + ret = cs35l41_init_dsp(cs35l41); if (ret) { dev_warn(cs35l41->dev, "Cannot Initialize Firmware. Error: %d\n", ret); @@ -1588,6 +1594,7 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i u32 values[HDA_MAX_COMPONENTS]; struct acpi_device *adev; struct device *physdev; + struct spi_device *spi; const char *sub; char *property; size_t nval; @@ -1610,7 +1617,7 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i ret = cs35l41_add_dsd_properties(cs35l41, physdev, id, hid); if (!ret) { dev_info(cs35l41->dev, "Using extra _DSD properties, bypassing _DSD in ACPI\n"); - goto put_physdev; + goto out; } property = "cirrus,dev-index"; @@ -1701,8 +1708,20 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i hw_cfg->bst_type = CS35L41_EXT_BOOST; hw_cfg->valid = true; +out: put_device(physdev); + cs35l41->bypass_fw = false; + if (cs35l41->control_bus == SPI) { + spi = to_spi_device(cs35l41->dev); + if (spi->max_speed_hz < CS35L41_MAX_ACCEPTABLE_SPI_SPEED_HZ) { + dev_warn(cs35l41->dev, + "SPI speed is too slow to support firmware download: %d Hz.\n", + spi->max_speed_hz); + cs35l41->bypass_fw = true; + } + } + return 0; err: @@ -1711,14 +1730,13 @@ err: hw_cfg->gpio1.valid = false; hw_cfg->gpio2.valid = false; acpi_dev_put(cs35l41->dacpi); -put_physdev: put_device(physdev); return ret; } int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq, - struct regmap *regmap) + struct regmap *regmap, enum control_bus control_bus) { unsigned int regid, reg_revid; struct cs35l41_hda *cs35l41; @@ -1737,6 +1755,7 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i cs35l41->dev = dev; cs35l41->irq = irq; cs35l41->regmap = regmap; + cs35l41->control_bus = control_bus; dev_set_drvdata(dev, cs35l41); ret = cs35l41_hda_read_acpi(cs35l41, device_name, id); |