samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

soc: soundwire: Add support to dump bulk register writes

Browse Source 
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 <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi
2019-06-11 04:42:38 +05:30
committed by Gerrit - the friendly Code Review server
parent ac2cc5456a
commit 0016db19a7
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
soc/swr-mstr-ctrl.c
View File

@@ -232,6 +232,16 @@ static const struct file_operations swrm_debug_ops = {
.read = swrm_debug_read, .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) static int swrm_clk_request(struct swr_mstr_ctrl *swrm, bool enable)
{ {
int ret = 0; 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; mport->ch_en = mport->req_ch;
} }
swrm_reg_dump(swrm, reg, val, len, __func__);
swr_master_bulk_write(swrm, reg, val, len); swr_master_bulk_write(swrm, reg, val, len);
} }