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input: qcom-hv-haptics: update initial FIFO programming count

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Update initial FIFO programming count to 320 which can help to reduce
vibration request latency.

Change-Id: If0e12dd626dda66a0b296b9832562bbeaee57fd9
Signed-off-by: Fenglin Wu <quic_fenglinw@quicinc.com>
This commit is contained in:
Fenglin Wu 2022-05-10 13:34:28 +08:00 committed by David Collins
parent 497b0c654b
commit 790d176623
1 changed files with 2 additions and 0 deletions
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2
drivers/input/misc/qcom-hv-haptics.c
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@ -329,6 +329,7 @@
/* below definitions are only for HAP525_HV */
#define MMAP_NUM_BYTES 2048
#define MMAP_FIFO_MIN_SIZE 640
#define FIFO_PRGM_INIT_SIZE 320
#define is_between(val, min, max) \
(((min) <= (max)) && ((min) <= (val)) && ((val) <= (max)))
@ -1995,6 +1996,7 @@ static int haptics_set_fifo(struct haptics_chip *chip, struct fifo_cfg *fifo)
return available;
num = min_t(u32, available, num);
num = min_t(u32, num, FIFO_PRGM_INIT_SIZE);
/* Keep the FIFO programming 4-byte aligned if FIFO refilling is needed */
if ((num < fifo->num_s) && (num % HAP_PTN_FIFO_DIN_NUM))
num = round_down(num, HAP_PTN_FIFO_DIN_NUM);