This is a note to let you know that I've just added the patch titled
mfd: cs42l43: Correct SoundWire port list
to the 6.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mfd-cs42l43-correct-soundwire-port-list.patch
and it can be found in the queue-6.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0479465a79f704a16a38ace2e6a30b30edba10ea
Author: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu Nov 30 11:57:11 2023 +0000
mfd: cs42l43: Correct SoundWire port list
[ Upstream commit 47b1b03dc56ebc302620ce43e967aa8f33516f6f ]
Two ports are missing from the port list, and the wrong port is set
to 4 channels. Also the attempt to list them by function is rather
misguided, there is nothing in the hardware that fixes a particular
port to one function. Factor out the port properties to an actual
struct, fixing the missing ports and correcting the port set to 4
channels.
Fixes: ace6d1448138 ("mfd: cs42l43: Add support for cs42l43 core driver")
Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231130115712.669180-1-ckeepax@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mfd/cs42l43-sdw.c b/drivers/mfd/cs42l43-sdw.c
index 7392b3d2e6b9..4be4df9dd8cf 100644
--- a/drivers/mfd/cs42l43-sdw.c
+++ b/drivers/mfd/cs42l43-sdw.c
@@ -17,13 +17,12 @@
#include "cs42l43.h"
-enum cs42l43_sdw_ports {
- CS42L43_DMIC_DEC_ASP_PORT = 1,
- CS42L43_SPK_TX_PORT,
- CS42L43_SPDIF_HP_PORT,
- CS42L43_SPK_RX_PORT,
- CS42L43_ASP_PORT,
-};
+#define CS42L43_SDW_PORT(port, chans) { \
+ .num = port, \
+ .max_ch = chans, \
+ .type = SDW_DPN_FULL, \
+ .max_word = 24, \
+}
static const struct regmap_config cs42l43_sdw_regmap = {
.reg_bits = 32,
@@ -42,65 +41,48 @@ static const struct regmap_config cs42l43_sdw_regmap = {
.num_reg_defaults = ARRAY_SIZE(cs42l43_reg_default),
};
+static const struct sdw_dpn_prop cs42l43_src_port_props[] = {
+ CS42L43_SDW_PORT(1, 4),
+ CS42L43_SDW_PORT(2, 2),
+ CS42L43_SDW_PORT(3, 2),
+ CS42L43_SDW_PORT(4, 2),
+};
+
+static const struct sdw_dpn_prop cs42l43_sink_port_props[] = {
+ CS42L43_SDW_PORT(5, 2),
+ CS42L43_SDW_PORT(6, 2),
+ CS42L43_SDW_PORT(7, 2),
+};
+
static int cs42l43_read_prop(struct sdw_slave *sdw)
{
struct sdw_slave_prop *prop = &sdw->prop;
struct device *dev = &sdw->dev;
- struct sdw_dpn_prop *dpn;
- unsigned long addr;
- int nval;
int i;
- u32 bit;
prop->use_domain_irq = true;
prop->paging_support = true;
prop->wake_capable = true;
- prop->source_ports = BIT(CS42L43_DMIC_DEC_ASP_PORT) | BIT(CS42L43_SPK_TX_PORT);
- prop->sink_ports = BIT(CS42L43_SPDIF_HP_PORT) |
- BIT(CS42L43_SPK_RX_PORT) | BIT(CS42L43_ASP_PORT);
prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY |
SDW_SCP_INT1_IMPL_DEF;
- nval = hweight32(prop->source_ports);
- prop->src_dpn_prop = devm_kcalloc(dev, nval, sizeof(*prop->src_dpn_prop),
- GFP_KERNEL);
+ for (i = 0; i < ARRAY_SIZE(cs42l43_src_port_props); i++)
+ prop->source_ports |= BIT(cs42l43_src_port_props[i].num);
+
+ prop->src_dpn_prop = devm_kmemdup(dev, cs42l43_src_port_props,
+ sizeof(cs42l43_src_port_props), GFP_KERNEL);
if (!prop->src_dpn_prop)
return -ENOMEM;
- i = 0;
- dpn = prop->src_dpn_prop;
- addr = prop->source_ports;
- for_each_set_bit(bit, &addr, 32) {
- dpn[i].num = bit;
- dpn[i].max_ch = 2;
- dpn[i].type = SDW_DPN_FULL;
- dpn[i].max_word = 24;
- i++;
- }
- /*
- * All ports are 2 channels max, except the first one,
- * CS42L43_DMIC_DEC_ASP_PORT.
- */
- dpn[CS42L43_DMIC_DEC_ASP_PORT].max_ch = 4;
+ for (i = 0; i < ARRAY_SIZE(cs42l43_sink_port_props); i++)
+ prop->sink_ports |= BIT(cs42l43_sink_port_props[i].num);
- nval = hweight32(prop->sink_ports);
- prop->sink_dpn_prop = devm_kcalloc(dev, nval, sizeof(*prop->sink_dpn_prop),
- GFP_KERNEL);
+ prop->sink_dpn_prop = devm_kmemdup(dev, cs42l43_sink_port_props,
+ sizeof(cs42l43_sink_port_props), GFP_KERNEL);
if (!prop->sink_dpn_prop)
return -ENOMEM;
- i = 0;
- dpn = prop->sink_dpn_prop;
- addr = prop->sink_ports;
- for_each_set_bit(bit, &addr, 32) {
- dpn[i].num = bit;
- dpn[i].max_ch = 2;
- dpn[i].type = SDW_DPN_FULL;
- dpn[i].max_word = 24;
- i++;
- }
-
return 0;
}
