diff options
author | Mark Brown <broonie@kernel.org> | 2023-07-23 23:33:05 +0100 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2023-07-23 23:33:05 +0100 |
commit | de1b43a57aff8b1808bbfe0402932f9e373d1172 (patch) | |
tree | 699c828946223aab18a0aab5175e6902a8ce2e42 /sound | |
parent | 8cf2e3b1961e59dabc75e9e917d58439164a8f84 (diff) | |
parent | 6eaae198076080886b9e7d57f4ae06fa782f90ef (diff) | |
download | linux-stable-de1b43a57aff8b1808bbfe0402932f9e373d1172.tar.gz linux-stable-de1b43a57aff8b1808bbfe0402932f9e373d1172.tar.bz2 linux-stable-de1b43a57aff8b1808bbfe0402932f9e373d1172.zip |
ASoC: Merge up fixes from mainline
There's several things here that will really help my CI.
Diffstat (limited to 'sound')
-rw-r--r-- | sound/core/seq/seq_ports.c | 1 | ||||
-rw-r--r-- | sound/drivers/pcmtest.c | 12 | ||||
-rw-r--r-- | sound/pci/hda/patch_realtek.c | 62 | ||||
-rw-r--r-- | sound/soc/amd/ps/pci-ps.c | 4 | ||||
-rw-r--r-- | sound/soc/codecs/cs42l51-i2c.c | 6 | ||||
-rw-r--r-- | sound/soc/codecs/cs42l51.c | 7 | ||||
-rw-r--r-- | sound/soc/codecs/cs42l51.h | 1 | ||||
-rw-r--r-- | sound/soc/codecs/rt5640.c | 1 | ||||
-rw-r--r-- | sound/soc/fsl/fsl_sai.c | 8 | ||||
-rw-r--r-- | sound/soc/fsl/fsl_sai.h | 1 | ||||
-rw-r--r-- | sound/soc/sof/ipc3-dtrace.c | 9 |
11 files changed, 72 insertions, 40 deletions
diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c index 9b80f8275026..f3f14ff0f80f 100644 --- a/sound/core/seq/seq_ports.c +++ b/sound/core/seq/seq_ports.c @@ -149,6 +149,7 @@ int snd_seq_create_port(struct snd_seq_client *client, int port, write_lock_irq(&client->ports_lock); list_for_each_entry(p, &client->ports_list_head, list) { if (p->addr.port == port) { + kfree(new_port); num = -EBUSY; goto unlock; } diff --git a/sound/drivers/pcmtest.c b/sound/drivers/pcmtest.c index 2ae912a64d16..291e7fe47893 100644 --- a/sound/drivers/pcmtest.c +++ b/sound/drivers/pcmtest.c @@ -110,8 +110,6 @@ struct pcmtst_buf_iter { struct timer_list timer_instance; }; -static struct pcmtst *pcmtst; - static struct snd_pcm_hardware snd_pcmtst_hw = { .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -552,6 +550,7 @@ _err_free_chip: static int pcmtst_probe(struct platform_device *pdev) { struct snd_card *card; + struct pcmtst *pcmtst; int err; err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); @@ -573,13 +572,16 @@ static int pcmtst_probe(struct platform_device *pdev) if (err < 0) return err; + platform_set_drvdata(pdev, pcmtst); + return 0; } -static int pdev_remove(struct platform_device *dev) +static void pdev_remove(struct platform_device *pdev) { + struct pcmtst *pcmtst = platform_get_drvdata(pdev); + snd_pcmtst_free(pcmtst); - return 0; } static struct platform_device pcmtst_pdev = { @@ -589,7 +591,7 @@ static struct platform_device pcmtst_pdev = { static struct platform_driver pcmtst_pdrv = { .probe = pcmtst_probe, - .remove = pdev_remove, + .remove_new = pdev_remove, .driver = { .name = "pcmtest", }, diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index e2f8b608de82..52ea7d757d6a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -122,6 +122,7 @@ struct alc_spec { unsigned int ultra_low_power:1; unsigned int has_hs_key:1; unsigned int no_internal_mic_pin:1; + unsigned int en_3kpull_low:1; /* for PLL fix */ hda_nid_t pll_nid; @@ -3622,6 +3623,7 @@ static void alc256_shutup(struct hda_codec *codec) if (!hp_pin) hp_pin = 0x21; + alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x1); /* Low power */ hp_pin_sense = snd_hda_jack_detect(codec, hp_pin); if (hp_pin_sense) @@ -3638,8 +3640,7 @@ static void alc256_shutup(struct hda_codec *codec) /* If disable 3k pulldown control for alc257, the Mic detection will not work correctly * when booting with headset plugged. So skip setting it for the codec alc257 */ - if (codec->core.vendor_id != 0x10ec0236 && - codec->core.vendor_id != 0x10ec0257) + if (spec->en_3kpull_low) alc_update_coef_idx(codec, 0x46, 0, 3 << 12); if (!spec->no_shutup_pins) @@ -4623,6 +4624,21 @@ static void alc236_fixup_hp_mute_led_coefbit(struct hda_codec *codec, } } +static void alc236_fixup_hp_mute_led_coefbit2(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->mute_led_polarity = 0; + spec->mute_led_coef.idx = 0x07; + spec->mute_led_coef.mask = 1; + spec->mute_led_coef.on = 1; + spec->mute_led_coef.off = 0; + snd_hda_gen_add_mute_led_cdev(codec, coef_mute_led_set); + } +} + /* turn on/off mic-mute LED per capture hook by coef bit */ static int coef_micmute_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) @@ -7143,6 +7159,7 @@ enum { ALC285_FIXUP_HP_GPIO_LED, ALC285_FIXUP_HP_MUTE_LED, ALC285_FIXUP_HP_SPECTRE_X360_MUTE_LED, + ALC236_FIXUP_HP_MUTE_LED_COEFBIT2, ALC236_FIXUP_HP_GPIO_LED, ALC236_FIXUP_HP_MUTE_LED, ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF, @@ -7213,6 +7230,7 @@ enum { ALC287_FIXUP_YOGA9_14IAP7_BASS_SPK_PIN, ALC295_FIXUP_DELL_INSPIRON_TOP_SPEAKERS, ALC236_FIXUP_DELL_DUAL_CODECS, + ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI, }; /* A special fixup for Lenovo C940 and Yoga Duet 7; @@ -8632,6 +8650,10 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc285_fixup_hp_spectre_x360_mute_led, }, + [ALC236_FIXUP_HP_MUTE_LED_COEFBIT2] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc236_fixup_hp_mute_led_coefbit2, + }, [ALC236_FIXUP_HP_GPIO_LED] = { .type = HDA_FIXUP_FUNC, .v.func = alc236_fixup_hp_gpio_led, @@ -9145,8 +9167,6 @@ static const struct hda_fixup alc269_fixups[] = { [ALC287_FIXUP_CS35L41_I2C_2] = { .type = HDA_FIXUP_FUNC, .v.func = cs35l41_fixup_i2c_two, - .chained = true, - .chain_id = ALC269_FIXUP_THINKPAD_ACPI, }, [ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED] = { .type = HDA_FIXUP_FUNC, @@ -9283,6 +9303,12 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, }, + [ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI] = { + .type = HDA_FIXUP_FUNC, + .v.func = cs35l41_fixup_i2c_two, + .chained = true, + .chain_id = ALC269_FIXUP_THINKPAD_ACPI, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -9393,6 +9419,14 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0c1c, "Dell Precision 3540", ALC236_FIXUP_DELL_DUAL_CODECS), SND_PCI_QUIRK(0x1028, 0x0c1d, "Dell Precision 3440", ALC236_FIXUP_DELL_DUAL_CODECS), SND_PCI_QUIRK(0x1028, 0x0c1e, "Dell Precision 3540", ALC236_FIXUP_DELL_DUAL_CODECS), + SND_PCI_QUIRK(0x1028, 0x0cbd, "Dell Oasis 13 CS MTL-U", ALC245_FIXUP_CS35L41_SPI_2), + SND_PCI_QUIRK(0x1028, 0x0cbe, "Dell Oasis 13 2-IN-1 MTL-U", ALC245_FIXUP_CS35L41_SPI_2), + SND_PCI_QUIRK(0x1028, 0x0cbf, "Dell Oasis 13 Low Weight MTU-L", ALC245_FIXUP_CS35L41_SPI_2), + SND_PCI_QUIRK(0x1028, 0x0cc1, "Dell Oasis 14 MTL-H/U", ALC287_FIXUP_CS35L41_I2C_2), + SND_PCI_QUIRK(0x1028, 0x0cc2, "Dell Oasis 14 2-in-1 MTL-H/U", ALC287_FIXUP_CS35L41_I2C_2), + SND_PCI_QUIRK(0x1028, 0x0cc3, "Dell Oasis 14 Low Weight MTL-U", ALC287_FIXUP_CS35L41_I2C_2), + SND_PCI_QUIRK(0x1028, 0x0cc4, "Dell Oasis 16 MTL-H/U", ALC287_FIXUP_CS35L41_I2C_2), + SND_PCI_QUIRK(0x1028, 0x0cc5, "Dell Oasis MLK 14 RPL-P", ALC287_FIXUP_CS35L41_I2C_2), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -9516,6 +9550,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x886d, "HP ZBook Fury 17.3 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x8870, "HP ZBook Fury 15.6 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x8873, "HP ZBook Studio 15.6 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), + SND_PCI_QUIRK(0x103c, 0x887a, "HP Laptop 15s-eq2xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x888d, "HP ZBook Power 15.6 inch G8 Mobile Workstation PC", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8895, "HP EliteBook 855 G8 Notebook PC", ALC285_FIXUP_HP_SPEAKERS_MICMUTE_LED), SND_PCI_QUIRK(0x103c, 0x8896, "HP EliteBook 855 G8 Notebook PC", ALC285_FIXUP_HP_MUTE_LED), @@ -9727,6 +9762,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x5157, "Clevo W517GU1", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x51a1, "Clevo NS50MU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x51b1, "Clevo NS50AU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1558, 0x51b3, "Clevo NS70AU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x5630, "Clevo NP50RNJS", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x70a1, "Clevo NB70T[HJK]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x70b3, "Clevo NK70SB", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), @@ -9810,14 +9846,14 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x22be, "Thinkpad X1 Carbon 8th", ALC285_FIXUP_THINKPAD_HEADSET_JACK), SND_PCI_QUIRK(0x17aa, 0x22c1, "Thinkpad P1 Gen 3", ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK), SND_PCI_QUIRK(0x17aa, 0x22c2, "Thinkpad X1 Extreme Gen 3", ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK), - SND_PCI_QUIRK(0x17aa, 0x22f1, "Thinkpad", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x17aa, 0x22f2, "Thinkpad", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x17aa, 0x22f3, "Thinkpad", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x17aa, 0x2316, "Thinkpad P1 Gen 6", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x17aa, 0x2317, "Thinkpad P1 Gen 6", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x17aa, 0x2318, "Thinkpad Z13 Gen2", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x17aa, 0x2319, "Thinkpad Z16 Gen2", ALC287_FIXUP_CS35L41_I2C_2), - SND_PCI_QUIRK(0x17aa, 0x231a, "Thinkpad Z16 Gen2", ALC287_FIXUP_CS35L41_I2C_2), + SND_PCI_QUIRK(0x17aa, 0x22f1, "Thinkpad", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x22f2, "Thinkpad", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x22f3, "Thinkpad", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x2316, "Thinkpad P1 Gen 6", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x2317, "Thinkpad P1 Gen 6", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x2318, "Thinkpad Z13 Gen2", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x2319, "Thinkpad Z16 Gen2", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x231a, "Thinkpad Z16 Gen2", ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI), SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), @@ -10682,6 +10718,8 @@ static int patch_alc269(struct hda_codec *codec) spec->shutup = alc256_shutup; spec->init_hook = alc256_init; spec->gen.mixer_nid = 0; /* ALC256 does not have any loopback mixer path */ + if (codec->bus->pci->vendor == PCI_VENDOR_ID_AMD) + spec->en_3kpull_low = true; break; case 0x10ec0257: spec->codec_variant = ALC269_TYPE_ALC257; diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c index 5b46dc8573f8..4af3c3665387 100644 --- a/sound/soc/amd/ps/pci-ps.c +++ b/sound/soc/amd/ps/pci-ps.c @@ -257,7 +257,7 @@ static int sdw_amd_scan_controller(struct device *dev) &sdw_manager_bitmap, 1); if (ret) { - dev_err(dev, "Failed to read mipi-sdw-manager-list: %d\n", ret); + dev_dbg(dev, "Failed to read mipi-sdw-manager-list: %d\n", ret); return -EINVAL; } count = hweight32(sdw_manager_bitmap); @@ -641,7 +641,7 @@ static int snd_acp63_probe(struct pci_dev *pci, ret = get_acp63_device_config(val, pci, adata); /* ACP PCI driver probe should be continued even PDM or SoundWire Devices are not found */ if (ret) { - dev_err(&pci->dev, "get acp device config failed:%d\n", ret); + dev_dbg(&pci->dev, "get acp device config failed:%d\n", ret); goto skip_pdev_creation; } ret = create_acp63_platform_devs(pci, adata, addr); diff --git a/sound/soc/codecs/cs42l51-i2c.c b/sound/soc/codecs/cs42l51-i2c.c index b2106ff6a7cb..e7db7bcd0296 100644 --- a/sound/soc/codecs/cs42l51-i2c.c +++ b/sound/soc/codecs/cs42l51-i2c.c @@ -19,6 +19,12 @@ static struct i2c_device_id cs42l51_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, cs42l51_i2c_id); +const struct of_device_id cs42l51_of_match[] = { + { .compatible = "cirrus,cs42l51", }, + { } +}; +MODULE_DEVICE_TABLE(of, cs42l51_of_match); + static int cs42l51_i2c_probe(struct i2c_client *i2c) { struct regmap_config config; diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c index 36066fac394f..e4827b8c2bde 100644 --- a/sound/soc/codecs/cs42l51.c +++ b/sound/soc/codecs/cs42l51.c @@ -823,13 +823,6 @@ int __maybe_unused cs42l51_resume(struct device *dev) } EXPORT_SYMBOL_GPL(cs42l51_resume); -const struct of_device_id cs42l51_of_match[] = { - { .compatible = "cirrus,cs42l51", }, - { } -}; -MODULE_DEVICE_TABLE(of, cs42l51_of_match); -EXPORT_SYMBOL_GPL(cs42l51_of_match); - MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>"); MODULE_DESCRIPTION("Cirrus Logic CS42L51 ALSA SoC Codec Driver"); MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/cs42l51.h b/sound/soc/codecs/cs42l51.h index a79343e8a54e..125703ede113 100644 --- a/sound/soc/codecs/cs42l51.h +++ b/sound/soc/codecs/cs42l51.h @@ -16,7 +16,6 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap); void cs42l51_remove(struct device *dev); int __maybe_unused cs42l51_suspend(struct device *dev); int __maybe_unused cs42l51_resume(struct device *dev); -extern const struct of_device_id cs42l51_of_match[]; #define CS42L51_CHIP_ID 0x1B #define CS42L51_CHIP_REV_A 0x00 diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index e24ed754ac56..eceed8209787 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -53,7 +53,6 @@ static const struct reg_sequence init_list[] = { {RT5640_PR_BASE + 0x3d, 0x3600}, {RT5640_PR_BASE + 0x12, 0x0aa8}, {RT5640_PR_BASE + 0x14, 0x0aaa}, - {RT5640_PR_BASE + 0x20, 0x6110}, {RT5640_PR_BASE + 0x21, 0xe0e0}, {RT5640_PR_BASE + 0x23, 0x1804}, }; diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 5e09f634c61b..f7676d30c82f 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -507,12 +507,6 @@ static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) savediv / 2 - 1); } - if (sai->soc_data->max_register >= FSL_SAI_MCTL) { - /* SAI is in master mode at this point, so enable MCLK */ - regmap_update_bits(sai->regmap, FSL_SAI_MCTL, - FSL_SAI_MCTL_MCLK_EN, FSL_SAI_MCTL_MCLK_EN); - } - return 0; } @@ -719,7 +713,7 @@ static void fsl_sai_config_disable(struct fsl_sai *sai, int dir) u32 xcsr, count = 100; regmap_update_bits(sai->regmap, FSL_SAI_xCSR(tx, ofs), - FSL_SAI_CSR_TERE, 0); + FSL_SAI_CSR_TERE | FSL_SAI_CSR_BCE, 0); /* TERE will remain set till the end of current frame */ do { diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h index 8254c3547b87..550df87b6a06 100644 --- a/sound/soc/fsl/fsl_sai.h +++ b/sound/soc/fsl/fsl_sai.h @@ -91,6 +91,7 @@ /* SAI Transmit/Receive Control Register */ #define FSL_SAI_CSR_TERE BIT(31) #define FSL_SAI_CSR_SE BIT(30) +#define FSL_SAI_CSR_BCE BIT(28) #define FSL_SAI_CSR_FR BIT(25) #define FSL_SAI_CSR_SR BIT(24) #define FSL_SAI_CSR_xF_SHIFT 16 diff --git a/sound/soc/sof/ipc3-dtrace.c b/sound/soc/sof/ipc3-dtrace.c index 1d3bca2d28dd..35da85a45a9a 100644 --- a/sound/soc/sof/ipc3-dtrace.c +++ b/sound/soc/sof/ipc3-dtrace.c @@ -186,7 +186,6 @@ static ssize_t dfsentry_trace_filter_write(struct file *file, const char __user struct snd_sof_dfsentry *dfse = file->private_data; struct sof_ipc_trace_filter_elem *elems = NULL; struct snd_sof_dev *sdev = dfse->sdev; - loff_t pos = 0; int num_elems; char *string; int ret; @@ -201,11 +200,11 @@ static ssize_t dfsentry_trace_filter_write(struct file *file, const char __user if (!string) return -ENOMEM; - /* assert null termination */ - string[count] = 0; - ret = simple_write_to_buffer(string, count, &pos, from, count); - if (ret < 0) + if (copy_from_user(string, from, count)) { + ret = -EFAULT; goto error; + } + string[count] = '\0'; ret = trace_filter_parse(sdev, string, &num_elems, &elems); if (ret < 0) |