From: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
By default, the driver will automatically load DSP firmware
for the amps, if available. Adding this option allows the
autoload to be optional, which allows for different configurations.
Signed-off-by: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Vitaly Rodionov <vitalyr@xxxxxxxxxxxxxxxxxxxxx>
---
sound/pci/hda/cs35l41_hda.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 3aa36c5ff972..4151ac5ab399 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -8,6 +8,7 @@
#include <linux/acpi.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <sound/hda_codec.h>
#include <sound/soc.h>
#include <linux/pm_runtime.h>
@@ -32,6 +33,11 @@
#define CAL_DSP_CTL_TYPE 5
#define CAL_DSP_CTL_ALG 205
+static bool firmware_autostart = 1;
+module_param(firmware_autostart, bool, 0444);
+MODULE_PARM_DESC(firmware_autostart, "Allow automatic firmware download on boot"
+ "(0=Disable, 1=Enable) (default=1); ");
+
static const struct reg_sequence cs35l41_hda_config[] = {
{ CS35L41_PLL_CLK_CTRL, 0x00000430 }, // 3072000Hz, BCLK Input, PLL_REFCLK_EN = 1
{ CS35L41_DSP_CLK_CTRL, 0x00000003 }, // DSP CLK EN
@@ -862,11 +868,16 @@ static int cs35l41_hda_bind(struct device *dev, struct device *master, void *mas
cs35l41->firmware_type = HDA_CS_DSP_FW_SPK_PROT;
- cs35l41->request_fw_load = true;
- mutex_lock(&cs35l41->fw_mutex);
- if (cs35l41_smart_amp(cs35l41) < 0)
- dev_warn(cs35l41->dev, "Cannot Run Firmware, reverting to dsp bypass...\n");
- mutex_unlock(&cs35l41->fw_mutex);
+ if (firmware_autostart) {
+ dev_dbg(cs35l41->dev, "Firmware Autostart.\n");
+ cs35l41->request_fw_load = true;
+ mutex_lock(&cs35l41->fw_mutex);
+ if (cs35l41_smart_amp(cs35l41) < 0)
+ dev_warn(cs35l41->dev, "Cannot Run Firmware, reverting to dsp bypass...\n");
+ mutex_unlock(&cs35l41->fw_mutex);
+ } else {
+ dev_dbg(cs35l41->dev, "Firmware Autostart is disabled.\n");
+ }
ret = cs35l41_create_controls(cs35l41);
--
2.34.1
