diff options
Diffstat (limited to 'sound/soc/amd/renoir/rn-pci-acp3x.c')
| -rw-r--r-- | sound/soc/amd/renoir/rn-pci-acp3x.c | 73 |
1 files changed, 65 insertions, 8 deletions
diff --git a/sound/soc/amd/renoir/rn-pci-acp3x.c b/sound/soc/amd/renoir/rn-pci-acp3x.c index b943e59fc302..b3812b70f5f9 100644 --- a/sound/soc/amd/renoir/rn-pci-acp3x.c +++ b/sound/soc/amd/renoir/rn-pci-acp3x.c @@ -6,6 +6,7 @@ #include <linux/pci.h> #include <linux/acpi.h> +#include <linux/dmi.h> #include <linux/module.h> #include <linux/io.h> #include <linux/delay.h> @@ -19,15 +20,14 @@ static int acp_power_gating; module_param(acp_power_gating, int, 0644); MODULE_PARM_DESC(acp_power_gating, "Enable acp power gating"); -/** - * dmic_acpi_check = -1 - Checks ACPI method to know DMIC hardware status runtime - * = 0 - Skips the DMIC device creation and returns probe failure - * = 1 - Assumes that platform has DMIC support and skips ACPI - * method check +/* + * dmic_acpi_check = -1 - Use ACPI/DMI method to detect the DMIC hardware presence at runtime + * = 0 - Skip the DMIC device creation and return probe failure + * = 1 - Force DMIC support */ static int dmic_acpi_check = ACP_DMIC_AUTO; module_param(dmic_acpi_check, bint, 0644); -MODULE_PARM_DESC(dmic_acpi_check, "checks Dmic hardware runtime"); +MODULE_PARM_DESC(dmic_acpi_check, "Digital microphone presence (-1=auto, 0=none, 1=force)"); struct acp_dev_data { void __iomem *acp_base; @@ -163,6 +163,45 @@ static int rn_acp_deinit(void __iomem *acp_base) return 0; } +static const struct dmi_system_id rn_acp_quirk_table[] = { + { + /* Lenovo IdeaPad S340-14API */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81NB"), + } + }, + { + /* Lenovo IdeaPad Flex 5 14ARE05 */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81X2"), + } + }, + { + /* Lenovo IdeaPad 5 15ARE05 */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81YQ"), + } + }, + { + /* Lenovo ThinkPad E14 Gen 2 */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "20T6CTO1WW"), + } + }, + { + /* Lenovo ThinkPad X395 */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "20NLCTO1WW"), + } + }, + {} +}; + static int snd_rn_acp_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { @@ -172,10 +211,20 @@ static int snd_rn_acp_probe(struct pci_dev *pci, acpi_handle handle; acpi_integer dmic_status; #endif - unsigned int irqflags; + const struct dmi_system_id *dmi_id; + unsigned int irqflags, flag; int ret, index; u32 addr; + /* Return if acp config flag is defined */ + flag = snd_amd_acp_find_config(pci); + if (flag) + return -ENODEV; + + /* Renoir device check */ + if (pci->revision != 0x01) + return -ENODEV; + if (pci_enable_device(pci)) { dev_err(&pci->dev, "pci_enable_device failed\n"); return -ENODEV; @@ -224,7 +273,7 @@ static int snd_rn_acp_probe(struct pci_dev *pci, handle = ACPI_HANDLE(&pci->dev); ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status); if (ACPI_FAILURE(ret)) { - ret = -EINVAL; + ret = -ENODEV; goto de_init; } if (!dmic_status) { @@ -232,6 +281,12 @@ static int snd_rn_acp_probe(struct pci_dev *pci, goto de_init; } #endif + dmi_id = dmi_first_match(rn_acp_quirk_table); + if (dmi_id && !dmi_id->driver_data) { + dev_info(&pci->dev, "ACPI settings override using DMI (ACP mic is not present)"); + ret = -ENODEV; + goto de_init; + } } adata->res = devm_kzalloc(&pci->dev, @@ -332,6 +387,8 @@ static const struct dev_pm_ops rn_acp_pm = { .runtime_resume = snd_rn_acp_resume, .suspend = snd_rn_acp_suspend, .resume = snd_rn_acp_resume, + .restore = snd_rn_acp_resume, + .poweroff = snd_rn_acp_suspend, }; static void snd_rn_acp_remove(struct pci_dev *pci) |