From 0016db19a7f89e47338fba49cdf1f4da441329e6 Mon Sep 17 00:00:00 2001 From: Sudheer Papothi Date: Tue, 11 Jun 2019 04:42:38 +0530 Subject: [PATCH] soc: soundwire: Add support to dump bulk register writes Add support to dump soundwire bulk register writes to analyze port configuration on both soundwire master and soundwire slave devices. Change-Id: Ie02b2a0ba40aa5a0b4243022e439e1b545688143 Signed-off-by: Sudheer Papothi --- soc/swr-mstr-ctrl.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/soc/swr-mstr-ctrl.c b/soc/swr-mstr-ctrl.c index 194e976689..d646cc7858 100644 --- a/soc/swr-mstr-ctrl.c +++ b/soc/swr-mstr-ctrl.c @@ -232,6 +232,16 @@ static const struct file_operations swrm_debug_ops = { .read = swrm_debug_read, }; +static void swrm_reg_dump(struct swr_mstr_ctrl *swrm, + u32 *reg, u32 *val, int len, const char* func) +{ + int i = 0; + + for (i = 0; i < len; i++) + dev_dbg(swrm->dev, "%s: reg = 0x%x val = 0x%x\n", + func, reg[i], val[i]); +} + static int swrm_clk_request(struct swr_mstr_ctrl *swrm, bool enable) { int ret = 0; @@ -941,6 +951,7 @@ static void swrm_copy_data_port_config(struct swr_master *master, u8 bank) mport->ch_en = mport->req_ch; } + swrm_reg_dump(swrm, reg, val, len, __func__); swr_master_bulk_write(swrm, reg, val, len); }