diff options
| author | Stefan Binding <[email protected]> | 2022-06-30 01:23:35 +0100 |
|---|---|---|
| committer | Takashi Iwai <[email protected]> | 2022-07-15 16:23:47 +0200 |
| commit | 622f21994506e1dac7b8e4e362c8951426e032c5 (patch) | |
| tree | 3031da8143aa7f6bb04c5f04b7c45773f384b726 | |
| parent | 47ceabd99a28399f8971f4ca0a37ebc0a21dd2a8 (diff) | |
ALSA: hda: cs35l41: Add module parameter to control firmware load
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 <[email protected]>
Signed-off-by: Vitaly Rodionov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 4252c0ac69b7..28798d5c1cf1 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 @@ -843,11 +849,16 @@ 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); |