[PATCH v2 2/2] ALSA: cs35l41: Fix for old systems which do not support command

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Some older laptops using cs35l41 use firmware which does not support
the CSPL_MBOX_CMD_SPK_OUT_ENABLE command.
Firmware versions v0.28.0 and older do not support this command.

Fixes: fa3efcc36aac ("ALSA: cs35l41: Use mbox command to enable speaker output for external boost")

Signed-off-by: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
---
 include/sound/cs35l41.h        | 2 +-
 sound/pci/hda/cs35l41_hda.c    | 4 ++--
 sound/soc/codecs/cs35l41-lib.c | 6 ++++--
 sound/soc/codecs/cs35l41.c     | 4 ++--
 4 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h
index 043f8ac65dbf..68e053fe7340 100644
--- a/include/sound/cs35l41.h
+++ b/include/sound/cs35l41.h
@@ -906,6 +906,6 @@ int cs35l41_init_boost(struct device *dev, struct regmap *regmap,
 bool cs35l41_safe_reset(struct regmap *regmap, enum cs35l41_boost_type b_type);
 int cs35l41_mdsync_up(struct regmap *regmap);
 int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l41_boost_type b_type,
-			  int enable, bool firmware_running);
+			  int enable, struct cs_dsp *dsp);
 
 #endif /* __CS35L41_H */
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index b7d2aa18c566..cbd7d8badf91 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -598,7 +598,7 @@ static void cs35l41_hda_play_done(struct device *dev)
 	dev_dbg(dev, "Play (Complete)\n");
 
 	cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1,
-			      cs35l41->cs_dsp.running);
+			      &cs35l41->cs_dsp);
 	cs35l41_mute(dev, false);
 }
 
@@ -611,7 +611,7 @@ static void cs35l41_hda_pause_start(struct device *dev)
 
 	cs35l41_mute(dev, true);
 	cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 0,
-			      cs35l41->cs_dsp.running);
+			      &cs35l41->cs_dsp);
 }
 
 static void cs35l41_hda_pause_done(struct device *dev)
diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c
index 4569e4f7cf7e..e9993a39f7d0 100644
--- a/sound/soc/codecs/cs35l41-lib.c
+++ b/sound/soc/codecs/cs35l41-lib.c
@@ -16,6 +16,8 @@
 
 #include <sound/cs35l41.h>
 
+#define CS35L41_FIRMWARE_OLD_VERSION 0x001C00 /* v0.28.0 */
+
 static const struct reg_default cs35l41_reg[] = {
 	{ CS35L41_PWR_CTRL1,			0x00000000 },
 	{ CS35L41_PWR_CTRL2,			0x00000000 },
@@ -1214,7 +1216,7 @@ EXPORT_SYMBOL_GPL(cs35l41_safe_reset);
  * the PLL Lock interrupt, in the IRQ handler.
  */
 int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l41_boost_type b_type,
-			  int enable, bool firmware_running)
+			  int enable, struct cs_dsp *dsp)
 {
 	int ret;
 	unsigned int gpio1_func, pad_control, pwr_ctrl1, pwr_ctrl3, int_status, pup_pdn_mask;
@@ -1309,7 +1311,7 @@ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l4
 			}
 			regmap_write(regmap, CS35L41_IRQ1_STATUS1, CS35L41_PUP_DONE_MASK);
 
-			if (firmware_running)
+			if (dsp->running && dsp->fw_id_version > CS35L41_FIRMWARE_OLD_VERSION)
 				ret = cs35l41_set_cspl_mbox_cmd(dev, regmap,
 								CSPL_MBOX_CMD_SPK_OUT_ENABLE);
 			else
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c
index d0e9128ac6d0..dfb4ce53491b 100644
--- a/sound/soc/codecs/cs35l41.c
+++ b/sound/soc/codecs/cs35l41.c
@@ -519,11 +519,11 @@ static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w,
 						ARRAY_SIZE(cs35l41_pup_patch));
 
 		ret = cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type,
-					    1, cs35l41->dsp.cs_dsp.running);
+					    1, &cs35l41->dsp.cs_dsp);
 		break;
 	case SND_SOC_DAPM_POST_PMD:
 		ret = cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type,
-					    0, cs35l41->dsp.cs_dsp.running);
+					    0, &cs35l41->dsp.cs_dsp);
 
 		regmap_multi_reg_write_bypassed(cs35l41->regmap,
 						cs35l41_pdn_patch,
-- 
2.34.1




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