diff options
Diffstat (limited to 'drivers/leds/rgb/leds-qcom-lpg.c')
| -rw-r--r-- | drivers/leds/rgb/leds-qcom-lpg.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c index 9467c796bd04..e74b2ceed1c2 100644 --- a/drivers/leds/rgb/leds-qcom-lpg.c +++ b/drivers/leds/rgb/leds-qcom-lpg.c @@ -2,7 +2,7 @@ /* * Copyright (c) 2017-2022 Linaro Ltd * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved. - * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved. */ #include <linux/bits.h> #include <linux/bitfield.h> @@ -254,6 +254,9 @@ static int lpg_clear_pbs_trigger(struct lpg *lpg, unsigned int lut_mask) u8 val = 0; int rc; + if (!lpg->lpg_chan_sdam) + return 0; + lpg->pbs_en_bitmap &= (~lut_mask); if (!lpg->pbs_en_bitmap) { rc = nvmem_device_write(lpg->lpg_chan_sdam, SDAM_REG_PBS_SEQ_EN, 1, &val); @@ -276,6 +279,9 @@ static int lpg_set_pbs_trigger(struct lpg *lpg, unsigned int lut_mask) u8 val = PBS_SW_TRIG_BIT; int rc; + if (!lpg->lpg_chan_sdam) + return 0; + if (!lpg->pbs_en_bitmap) { rc = nvmem_device_write(lpg->lpg_chan_sdam, SDAM_REG_PBS_SEQ_EN, 1, &val); if (rc < 0) |