diff options
Diffstat (limited to 'sound/soc/codecs/cs-amp-lib.c')
| -rw-r--r-- | sound/soc/codecs/cs-amp-lib.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/sound/soc/codecs/cs-amp-lib.c b/sound/soc/codecs/cs-amp-lib.c index 01ef4db5407d..808e67c90f7c 100644 --- a/sound/soc/codecs/cs-amp-lib.c +++ b/sound/soc/codecs/cs-amp-lib.c @@ -11,6 +11,7 @@ #include <linux/efi.h> #include <linux/firmware/cirrus/cs_dsp.h> #include <linux/module.h> +#include <linux/overflow.h> #include <linux/slab.h> #include <linux/types.h> #include <sound/cs-amp-lib.h> @@ -56,6 +57,11 @@ static int _cs_amp_write_cal_coeffs(struct cs_dsp *dsp, dev_dbg(dsp->dev, "Calibration: Ambient=%#x, Status=%#x, CalR=%d\n", data->calAmbient, data->calStatus, data->calR); + if (list_empty(&dsp->ctl_list)) { + dev_info(dsp->dev, "Calibration disabled due to missing firmware controls\n"); + return -ENOENT; + } + ret = cs_amp_write_cal_coeff(dsp, controls, controls->ambient, data->calAmbient); if (ret) return ret; @@ -92,7 +98,7 @@ int cs_amp_write_cal_coeffs(struct cs_dsp *dsp, else return -ENODEV; } -EXPORT_SYMBOL_NS_GPL(cs_amp_write_cal_coeffs, SND_SOC_CS_AMP_LIB); +EXPORT_SYMBOL_NS_GPL(cs_amp_write_cal_coeffs, "SND_SOC_CS_AMP_LIB"); static efi_status_t cs_amp_get_efi_variable(efi_char16_t *name, efi_guid_t *guid, @@ -103,7 +109,7 @@ static efi_status_t cs_amp_get_efi_variable(efi_char16_t *name, KUNIT_STATIC_STUB_REDIRECT(cs_amp_get_efi_variable, name, guid, size, buf); - if (IS_ENABLED(CONFIG_EFI)) + if (efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE)) return efi.get_variable(name, guid, &attr, size, buf); return EFI_NOT_FOUND; @@ -142,7 +148,7 @@ static struct cirrus_amp_efi_data *cs_amp_get_cal_efi_buffer(struct device *dev) dev_dbg(dev, "Calibration: Size=%d, Amp Count=%d\n", efi_data->size, efi_data->count); if ((efi_data->count > 128) || - offsetof(struct cirrus_amp_efi_data, data[efi_data->count]) > data_size) { + struct_size(efi_data, data, efi_data->count) > data_size) { dev_err(dev, "EFI cal variable truncated\n"); ret = -EOVERFLOW; goto err; @@ -177,6 +183,10 @@ static int _cs_amp_get_efi_calibration_data(struct device *dev, u64 target_uid, for (i = 0; i < efi_data->count; ++i) { u64 cal_target = cs_amp_cal_target_u64(&efi_data->data[i]); + /* Skip empty entries */ + if (!efi_data->data[i].calTime[0] && !efi_data->data[i].calTime[1]) + continue; + /* Skip entries with unpopulated silicon ID */ if (cal_target == 0) continue; @@ -188,7 +198,8 @@ static int _cs_amp_get_efi_calibration_data(struct device *dev, u64 target_uid, } } - if (!cal && (amp_index >= 0) && (amp_index < efi_data->count)) { + if (!cal && (amp_index >= 0) && (amp_index < efi_data->count) && + (efi_data->data[amp_index].calTime[0] || efi_data->data[amp_index].calTime[1])) { u64 cal_target = cs_amp_cal_target_u64(&efi_data->data[amp_index]); /* @@ -260,7 +271,7 @@ int cs_amp_get_efi_calibration_data(struct device *dev, u64 target_uid, int amp_ else return -ENOENT; } -EXPORT_SYMBOL_NS_GPL(cs_amp_get_efi_calibration_data, SND_SOC_CS_AMP_LIB); +EXPORT_SYMBOL_NS_GPL(cs_amp_get_efi_calibration_data, "SND_SOC_CS_AMP_LIB"); static const struct cs_amp_test_hooks cs_amp_test_hook_ptrs = { .get_efi_variable = cs_amp_get_efi_variable, @@ -269,9 +280,9 @@ static const struct cs_amp_test_hooks cs_amp_test_hook_ptrs = { const struct cs_amp_test_hooks * const cs_amp_test_hooks = PTR_IF(IS_ENABLED(CONFIG_SND_SOC_CS_AMP_LIB_TEST), &cs_amp_test_hook_ptrs); -EXPORT_SYMBOL_NS_GPL(cs_amp_test_hooks, SND_SOC_CS_AMP_LIB); +EXPORT_SYMBOL_NS_GPL(cs_amp_test_hooks, "SND_SOC_CS_AMP_LIB"); MODULE_DESCRIPTION("Cirrus Logic amplifier library"); MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(FW_CS_DSP); +MODULE_IMPORT_NS("FW_CS_DSP"); |