From: Stefan Binding sbinding@opensource.cirrus.com
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@opensource.cirrus.com Signed-off-by: Vitaly Rodionov vitalyr@opensource.cirrus.com ---
Changes since v2: - Added module paramter to control firmware loading
sound/pci/hda/cs35l41_hda.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 06abd03e2996..8aea09870bc2 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -30,6 +30,11 @@ #define CAL_R_DSP_CTL_TYPE 5 #define CAL_R_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 @@ -779,11 +784,16 @@ 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"); + }
cs35l41_create_controls(cs35l41);