#include <sound/soc-acpi.h>
#include <sound/sof.h>
#include "../../codecs/da7219.h"
-#include "hda_dsp_common.h"
-#include "sof_hdmi_common.h"
+#include "sof_board_helpers.h"
#include "sof_maxim_common.h"
-#include "sof_ssp_common.h"
-/* Board Quirks */
+/* Driver-specific board quirks: from bit 0 to 7 */
+#define SOF_DA7219_GLK_BOARD BIT(0)
+#define SOF_DA7219_CML_BOARD BIT(1)
#define SOF_DA7219_JSL_BOARD BIT(2)
+#define SOF_DA7219_MCLK_EN BIT(3)
#define DIALOG_CODEC_DAI "da7219-hifi"
-struct card_private {
- struct snd_soc_jack headset_jack;
- struct sof_hdmi_private hdmi;
- enum sof_ssp_codec codec_type;
- enum sof_ssp_codec amp_type;
-
- unsigned int pll_bypass:1;
-};
-
static int platform_clock_control(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
- struct card_private *ctx = snd_soc_card_get_drvdata(card);
+ struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *codec_dai;
int ret = 0;
- if (ctx->pll_bypass)
+ if (ctx->da7219.pll_bypass)
return ret;
/* PLL SRM mode */
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Line Out"),
- SOC_DAPM_PIN_SWITCH("Left Spk"),
- SOC_DAPM_PIN_SWITCH("Right Spk"),
};
static const struct snd_soc_dapm_widget widgets[] = {
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_LINE("Line Out", NULL),
- SND_SOC_DAPM_SPK("Left Spk", NULL),
- SND_SOC_DAPM_SPK("Right Spk", NULL),
-
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
platform_clock_control, SND_SOC_DAPM_POST_PMD |
SND_SOC_DAPM_PRE_PMU),
-
- SND_SOC_DAPM_MIC("SoC DMIC", NULL),
};
static const struct snd_soc_dapm_route audio_map[] = {
{ "Headphone Jack", NULL, "Platform Clock" },
{ "Headset Mic", NULL, "Platform Clock" },
{ "Line Out", NULL, "Platform Clock" },
-
- /* digital mics */
- {"DMic", NULL, "SoC DMIC"},
};
static struct snd_soc_jack_pin jack_pins[] = {
static int da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
{
- struct card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
struct snd_soc_component *component = codec_dai->component;
struct snd_soc_jack *jack = &ctx->headset_jack;
* Use PLL bypass mode if MCLK is available, be sure to set the
* frequency of MCLK to 12.288 or 24.576MHz on topology side.
*/
- if (mclk_rate == 12288000 || mclk_rate == 24576000) {
+ if (ctx->da7219.mclk_en &&
+ (mclk_rate == 12288000 || mclk_rate == 24576000)) {
/* PLL bypass mode */
dev_dbg(rtd->dev, "pll bypass mode, mclk rate %d\n", mclk_rate);
return ret;
}
- ctx->pll_bypass = 1;
+ ctx->da7219.pll_bypass = true;
}
/*
return ret;
}
+static void da7219_codec_exit(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
+
+ snd_soc_component_set_jack(component, NULL, NULL);
+}
+
static int max98373_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
.hw_params = max98373_hw_params,
};
-static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
- struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
-
- ctx->hdmi.hdmi_comp = dai->component;
-
- return 0;
-}
-
static int card_late_probe(struct snd_soc_card *card)
{
- struct card_private *ctx = snd_soc_card_get_drvdata(card);
-
- if (!ctx->hdmi.idisp_codec)
- return 0;
-
- if (!ctx->hdmi.hdmi_comp)
- return -EINVAL;
-
- return hda_dsp_hdmi_build_controls(card, ctx->hdmi.hdmi_comp);
+ return sof_intel_board_card_late_probe(card);
}
-SND_SOC_DAILINK_DEF(ssp0_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
-SND_SOC_DAILINK_DEF(ssp0_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", DIALOG_CODEC_DAI)));
-
-SND_SOC_DAILINK_DEF(ssp1_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
-
-SND_SOC_DAILINK_DEF(ssp2_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("SSP2 Pin")));
-SND_SOC_DAILINK_DEF(dummy_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("snd-soc-dummy", "snd-soc-dummy-dai")));
-
-SND_SOC_DAILINK_DEF(dmic_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
-SND_SOC_DAILINK_DEF(dmic_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
-
-SND_SOC_DAILINK_DEF(dmic16k_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
-
-SND_SOC_DAILINK_DEF(idisp1_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
-SND_SOC_DAILINK_DEF(idisp1_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
-
-SND_SOC_DAILINK_DEF(idisp2_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
-SND_SOC_DAILINK_DEF(idisp2_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
-
-SND_SOC_DAILINK_DEF(idisp3_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
-SND_SOC_DAILINK_DEF(idisp3_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
-
-SND_SOC_DAILINK_DEF(idisp4_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));
-SND_SOC_DAILINK_DEF(idisp4_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));
-
-SND_SOC_DAILINK_DEF(platform, /* subject to be overridden during probe */
- DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
-
-static struct snd_soc_dai_link jsl_dais[] = {
- /* Back End DAI links */
- {
- .name = "SSP1-Codec",
- .id = 0,
- .ignore_pmdown_time = 1,
- .no_pcm = 1,
- .dpcm_playback = 1,
- .dpcm_capture = 1, /* IV feedback */
- SND_SOC_DAILINK_REG(ssp1_pin, max_98373_components, platform),
- },
- {
- .name = "SSP0-Codec",
- .id = 1,
- .no_pcm = 1,
- .init = da7219_codec_init,
- .ignore_pmdown_time = 1,
- .dpcm_playback = 1,
- .dpcm_capture = 1,
- SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
- },
- {
- .name = "dmic01",
- .id = 2,
- .ignore_suspend = 1,
- .dpcm_capture = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
- },
- {
- .name = "iDisp1",
- .id = 3,
- .init = hdmi_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
- },
- {
- .name = "iDisp2",
- .id = 4,
- .init = hdmi_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
- },
- {
- .name = "iDisp3",
- .id = 5,
- .init = hdmi_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
- },
- {
- .name = "dmic16k",
- .id = 6,
- .ignore_suspend = 1,
- .dpcm_capture = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(dmic16k_pin, dmic_codec, platform),
- }
-};
-
-static struct snd_soc_dai_link adl_dais[] = {
- /* Back End DAI links */
- {
- .name = "SSP0-Codec",
- .id = 0,
- .no_pcm = 1,
- .init = da7219_codec_init,
- .ignore_pmdown_time = 1,
- .dpcm_playback = 1,
- .dpcm_capture = 1,
- SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
- },
- {
- .name = "dmic01",
- .id = 1,
- .ignore_suspend = 1,
- .dpcm_capture = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
- },
- {
- .name = "dmic16k",
- .id = 2,
- .ignore_suspend = 1,
- .dpcm_capture = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(dmic16k_pin, dmic_codec, platform),
- },
- {
- .name = "iDisp1",
- .id = 3,
- .init = hdmi_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
- },
- {
- .name = "iDisp2",
- .id = 4,
- .init = hdmi_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
- },
- {
- .name = "iDisp3",
- .id = 5,
- .init = hdmi_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
- },
- {
- .name = "iDisp4",
- .id = 6,
- .init = hdmi_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
- },
- {
- .name = "SSP1-Codec",
- .id = 7,
- .no_pcm = 1,
- .dpcm_playback = 1,
- /* feedback stream or firmware-generated echo reference */
- .dpcm_capture = 1,
- SND_SOC_DAILINK_REG(ssp1_pin, max_98373_components, platform),
- },
- {
- .name = "SSP2-BT",
- .id = 8,
- .no_pcm = 1,
- .dpcm_playback = 1,
- .dpcm_capture = 1,
- SND_SOC_DAILINK_REG(ssp2_pin, dummy_codec, platform),
- },
-};
-
static struct snd_soc_card card_da7219 = {
.name = "da7219", /* the sof- prefix is added by the core */
.owner = THIS_MODULE,
.late_probe = card_late_probe,
};
+static struct snd_soc_dai_link_component da7219_component[] = {
+ {
+ .name = "i2c-DLGS7219:00",
+ .dai_name = DIALOG_CODEC_DAI,
+ }
+};
+
+static int
+sof_card_dai_links_create(struct device *dev, struct snd_soc_card *card,
+ struct sof_card_private *ctx)
+{
+ int ret;
+
+ ret = sof_intel_board_set_dai_link(dev, card, ctx);
+ if (ret)
+ return ret;
+
+ if (!ctx->codec_link) {
+ dev_err(dev, "codec link not available");
+ return -EINVAL;
+ }
+
+ /* codec-specific fields for headphone codec */
+ ctx->codec_link->codecs = da7219_component;
+ ctx->codec_link->num_codecs = ARRAY_SIZE(da7219_component);
+ ctx->codec_link->init = da7219_codec_init;
+ ctx->codec_link->exit = da7219_codec_exit;
+
+ if (ctx->amp_type == CODEC_NONE)
+ return 0;
+
+ if (!ctx->amp_link) {
+ dev_err(dev, "amp link not available");
+ return -EINVAL;
+ }
+
+ /* codec-specific fields for speaker amplifier */
+ switch (ctx->amp_type) {
+ case CODEC_MAX98357A:
+ max_98357a_dai_link(ctx->amp_link);
+ break;
+ case CODEC_MAX98360A:
+ max_98360a_dai_link(ctx->amp_link);
+ break;
+ case CODEC_MAX98373:
+ max_98373_dai_link(dev, ctx->amp_link);
+
+ if (ctx->da7219.is_jsl_board) {
+ ctx->amp_link->ops = &max98373_ops; /* use local ops */
+ } else {
+ /* TBD: implement the amp for later platform */
+ dev_err(dev, "max98373 not support yet\n");
+ return -EINVAL;
+ }
+ break;
+ case CODEC_MAX98390:
+ max_98390_dai_link(dev, ctx->amp_link);
+ break;
+ default:
+ dev_err(dev, "invalid amp type %d\n", ctx->amp_type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+#define GLK_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_AMP, \
+ SOF_LINK_CODEC, \
+ SOF_LINK_DMIC01, \
+ SOF_LINK_IDISP_HDMI, \
+ SOF_LINK_NONE, \
+ SOF_LINK_NONE, \
+ SOF_LINK_NONE)
+
+#define CML_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_AMP, \
+ SOF_LINK_CODEC, \
+ SOF_LINK_DMIC01, \
+ SOF_LINK_IDISP_HDMI, \
+ SOF_LINK_DMIC16K, \
+ SOF_LINK_NONE, \
+ SOF_LINK_NONE)
+
+#define JSL_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_AMP, \
+ SOF_LINK_CODEC, \
+ SOF_LINK_DMIC01, \
+ SOF_LINK_IDISP_HDMI, \
+ SOF_LINK_DMIC16K, \
+ SOF_LINK_NONE, \
+ SOF_LINK_NONE)
+
static int audio_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
- struct snd_soc_dai_link *dai_links;
- struct card_private *ctx;
+ struct sof_card_private *ctx;
+ char *card_name;
unsigned long board_quirk = 0;
- int ret, amp_idx;
-
- ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ int ret;
if (pdev->id_entry && pdev->id_entry->driver_data)
board_quirk = (unsigned long)pdev->id_entry->driver_data;
- ctx->codec_type = sof_ssp_detect_codec_type(&pdev->dev);
- ctx->amp_type = sof_ssp_detect_amp_type(&pdev->dev);
+ dev_dbg(&pdev->dev, "board_quirk = %lx\n", board_quirk);
+
+ /* initialize ctx with board quirk */
+ ctx = sof_intel_board_get_ctx(&pdev->dev, board_quirk);
+ if (!ctx)
+ return -ENOMEM;
if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
ctx->hdmi.idisp_codec = true;
- if (board_quirk & SOF_DA7219_JSL_BOARD) {
+ if (board_quirk & SOF_DA7219_GLK_BOARD) {
+ /* dmic16k not support */
+ ctx->dmic_be_num = 1;
+
+ /* overwrite the DAI link order for GLK boards */
+ ctx->link_order_overwrite = GLK_LINK_ORDER;
+
/* backward-compatible with existing devices */
switch (ctx->amp_type) {
- case CODEC_MAX98360A:
- card_da7219.name = devm_kstrdup(&pdev->dev,
- "da7219max98360a",
- GFP_KERNEL);
+ case CODEC_MAX98357A:
+ card_name = devm_kstrdup(&pdev->dev, "glkda7219max",
+ GFP_KERNEL);
+ if (!card_name)
+ return -ENOMEM;
+
+ card_da7219.name = card_name;
break;
- case CODEC_MAX98373:
- card_da7219.name = devm_kstrdup(&pdev->dev, "da7219max",
- GFP_KERNEL);
+ default:
+ break;
+ }
+ } else if (board_quirk & SOF_DA7219_CML_BOARD) {
+ /* overwrite the DAI link order for CML boards */
+ ctx->link_order_overwrite = CML_LINK_ORDER;
+
+ /* backward-compatible with existing devices */
+ switch (ctx->amp_type) {
+ case CODEC_MAX98357A:
+ card_name = devm_kstrdup(&pdev->dev, "cmlda7219max",
+ GFP_KERNEL);
+ if (!card_name)
+ return -ENOMEM;
+
+ card_da7219.name = card_name;
+ break;
+ case CODEC_MAX98390:
+ card_name = devm_kstrdup(&pdev->dev,
+ "cml_max98390_da7219",
+ GFP_KERNEL);
+ if (!card_name)
+ return -ENOMEM;
+
+ card_da7219.name = card_name;
break;
default:
break;
}
+ } else if (board_quirk & SOF_DA7219_JSL_BOARD) {
+ ctx->da7219.is_jsl_board = true;
- dai_links = jsl_dais;
- amp_idx = 0;
+ /* overwrite the DAI link order for JSL boards */
+ ctx->link_order_overwrite = JSL_LINK_ORDER;
+
+ /* backward-compatible with existing devices */
+ switch (ctx->amp_type) {
+ case CODEC_MAX98360A:
+ card_name = devm_kstrdup(&pdev->dev, "da7219max98360a",
+ GFP_KERNEL);
+ if (!card_name)
+ return -ENOMEM;
- card_da7219.num_links = ARRAY_SIZE(jsl_dais);
- } else {
- dai_links = adl_dais;
- amp_idx = 7;
+ card_da7219.name = card_name;
+ break;
+ case CODEC_MAX98373:
+ card_name = devm_kstrdup(&pdev->dev, "da7219max",
+ GFP_KERNEL);
+ if (!card_name)
+ return -ENOMEM;
- card_da7219.num_links = ARRAY_SIZE(adl_dais);
+ card_da7219.name = card_name;
+ break;
+ default:
+ break;
+ }
}
- dev_dbg(&pdev->dev, "board_quirk = %lx\n", board_quirk);
+ if (board_quirk & SOF_DA7219_MCLK_EN)
+ ctx->da7219.mclk_en = true;
- /* speaker amp */
+ /* update dai_link */
+ ret = sof_card_dai_links_create(&pdev->dev, &card_da7219, ctx);
+ if (ret)
+ return ret;
+
+ /* update codec_conf */
switch (ctx->amp_type) {
- case CODEC_MAX98360A:
- max_98360a_dai_link(&dai_links[amp_idx]);
- break;
case CODEC_MAX98373:
- dai_links[amp_idx].codecs = max_98373_components;
- dai_links[amp_idx].num_codecs = ARRAY_SIZE(max_98373_components);
- dai_links[amp_idx].init = max_98373_spk_codec_init;
- if (board_quirk & SOF_DA7219_JSL_BOARD) {
- dai_links[amp_idx].ops = &max98373_ops; /* use local ops */
- } else {
- /* TBD: implement the amp for later platform */
- dev_err(&pdev->dev, "max98373 not support yet\n");
- return -EINVAL;
- }
-
max_98373_set_codec_conf(&card_da7219);
break;
+ case CODEC_MAX98390:
+ max_98390_set_codec_conf(&pdev->dev, &card_da7219);
+ break;
+ case CODEC_MAX98357A:
+ case CODEC_MAX98360A:
+ case CODEC_NONE:
+ /* no codec conf required */
+ break;
default:
dev_err(&pdev->dev, "invalid amp type %d\n", ctx->amp_type);
return -EINVAL;
}
- card_da7219.dai_link = dai_links;
-
card_da7219.dev = &pdev->dev;
ret = snd_soc_fixup_dai_links_platform_name(&card_da7219,
static const struct platform_device_id board_ids[] = {
{
- .name = "jsl_mx98373_da7219",
- .driver_data = (kernel_ulong_t)(SOF_DA7219_JSL_BOARD),
+ .name = "glk_da7219_def",
+ .driver_data = (kernel_ulong_t)(SOF_DA7219_GLK_BOARD |
+ SOF_SSP_PORT_CODEC(2) |
+ SOF_SSP_PORT_AMP(1)),
+ },
+ {
+ .name = "cml_da7219_def",
+ .driver_data = (kernel_ulong_t)(SOF_DA7219_CML_BOARD |
+ SOF_SSP_PORT_CODEC(0) |
+ SOF_SSP_PORT_AMP(1)),
+ },
+ {
+ .name = "jsl_da7219_def",
+ .driver_data = (kernel_ulong_t)(SOF_DA7219_JSL_BOARD |
+ SOF_SSP_PORT_CODEC(0) |
+ SOF_SSP_PORT_AMP(1)),
+ },
+ {
+ .name = "adl_da7219_def",
+ .driver_data = (kernel_ulong_t)(SOF_DA7219_MCLK_EN |
+ SOF_SSP_PORT_CODEC(0) |
+ SOF_SSP_PORT_AMP(1) |
+ SOF_NUM_IDISP_HDMI(4) |
+ SOF_SSP_PORT_BT_OFFLOAD(2) |
+ SOF_BT_OFFLOAD_PRESENT),
},
{
- .name = "jsl_mx98360_da7219",
- .driver_data = (kernel_ulong_t)(SOF_DA7219_JSL_BOARD),
+ .name = "rpl_da7219_def",
+ .driver_data = (kernel_ulong_t)(SOF_DA7219_MCLK_EN |
+ SOF_SSP_PORT_CODEC(0) |
+ SOF_SSP_PORT_AMP(1) |
+ SOF_NUM_IDISP_HDMI(4) |
+ SOF_SSP_PORT_BT_OFFLOAD(2) |
+ SOF_BT_OFFLOAD_PRESENT),
},
{
- .name = "adl_mx98360_da7219",
- /* no quirk needed for this board */
+ .name = "mtl_da7219_def",
+ .driver_data = (kernel_ulong_t)(SOF_DA7219_MCLK_EN |
+ SOF_SSP_PORT_CODEC(2) |
+ SOF_SSP_PORT_AMP(0) |
+ SOF_SSP_PORT_BT_OFFLOAD(1) |
+ SOF_BT_OFFLOAD_PRESENT),
},
{ }
};
MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
MODULE_LICENSE("GPL v2");
-MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
+MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);
MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
-MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_SSP_COMMON);
git.samba.org / sfrench / cifs-2.6.git / blobdiff