diff options
Diffstat (limited to 'sound/soc/codecs/cs35l56.c')
| -rw-r--r-- | sound/soc/codecs/cs35l56.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 98cfcae554af..3a9ec8724cc1 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -665,8 +665,17 @@ static void cs35l56_secure_patch(struct cs35l56_private *cs35l56) static void cs35l56_patch(struct cs35l56_private *cs35l56) { + unsigned int firmware_missing; int ret; + ret = regmap_read(cs35l56->base.regmap, CS35L56_PROTECTION_STATUS, &firmware_missing); + if (ret) { + dev_err(cs35l56->base.dev, "Failed to read PROTECTION_STATUS: %d\n", ret); + return; + } + + firmware_missing &= CS35L56_FIRMWARE_MISSING; + /* * Disable SoundWire interrupts to prevent race with IRQ work. * Setting sdw_irq_no_unmask prevents the handler re-enabling @@ -685,8 +694,12 @@ static void cs35l56_patch(struct cs35l56_private *cs35l56) if (ret) goto err; - /* Use wm_adsp to load and apply the firmware patch and coefficient files */ - ret = wm_adsp_power_up(&cs35l56->dsp, true); + /* + * Use wm_adsp to load and apply the firmware patch and coefficient files, + * but only if firmware is missing. If firmware is already patched just + * power-up wm_adsp without downloading firmware. + */ + ret = wm_adsp_power_up(&cs35l56->dsp, !!firmware_missing); if (ret) { dev_dbg(cs35l56->base.dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); goto err; |