diff mbox series

[2/2] Input: cap11xx - add support for cap1203, cap1293 and cap1298

Message ID 20230103134105.736346-3-jiriv@axis.com (mailing list archive)
State Superseded
Headers show
Series Input: cap11xx add support for cap1203, cap1293 and cap1298 | expand

Commit Message

Jiri Valek - 2N Jan. 3, 2023, 1:41 p.m. UTC
Add basic support for more CAP1xxx sensors.
All models from CAP1xxx family are register-compatible.
Some advanced features are not used and disabled by default.

Signed-off-by: Jiri Valek - 2N <jiriv@axis.com>
---
 drivers/input/keyboard/cap11xx.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

Comments

Dan Carpenter Jan. 6, 2023, 7:11 a.m. UTC | #1
Hi Jiri,

https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jiri-Valek-2N/dt-bindings-input-microchip-cap11xx-add-cap1203-cap1293-and-cap1298/20230103-214328
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link:    https://lore.kernel.org/r/20230103134105.736346-3-jiriv%40axis.com
patch subject: [PATCH 2/2] Input: cap11xx - add support for cap1203, cap1293 and cap1298
config: loongarch-randconfig-m031-20230101
compiler: loongarch64-linux-gcc (GCC) 12.1.0

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>

smatch warnings:
drivers/input/keyboard/cap11xx.c:400 cap11xx_i2c_probe() warn: was && intended here instead of ||?

vim +400 drivers/input/keyboard/cap11xx.c

c77fd0a42b24ac Matt Ranostay    2014-10-31  390  	if (!of_property_read_u32(node, "microchip,sensor-gain", &gain32)) {
322a552e195508 Jesse Taube      2021-11-02  391  		if (cap->no_gain)
322a552e195508 Jesse Taube      2021-11-02  392  			dev_warn(dev,
322a552e195508 Jesse Taube      2021-11-02  393  				 "This version doesn't support sensor gain\n");
322a552e195508 Jesse Taube      2021-11-02  394  		else if (is_power_of_2(gain32) && gain32 <= 8)
c77fd0a42b24ac Matt Ranostay    2014-10-31  395  			gain = ilog2(gain32);
c77fd0a42b24ac Matt Ranostay    2014-10-31  396  		else
c77fd0a42b24ac Matt Ranostay    2014-10-31  397  			dev_err(dev, "Invalid sensor-gain value %d\n", gain32);
c77fd0a42b24ac Matt Ranostay    2014-10-31  398  	}
c77fd0a42b24ac Matt Ranostay    2014-10-31  399  
e3f771deec5bca Jiri Valek - 2N  2023-01-03 @400  	if ((id->driver_data != CAP1206) ||
e3f771deec5bca Jiri Valek - 2N  2023-01-03  401  		(id->driver_data != CAP1203) ||
e3f771deec5bca Jiri Valek - 2N  2023-01-03  402  		(id->driver_data != CAP1293) ||
e3f771deec5bca Jiri Valek - 2N  2023-01-03  403  		(id->driver_data != CAP1298)) {

Yep.  && isntead of ||.  ->driver_data can't be equal to *all* of
those at the same time.

6bdd2fd1ed6f66 Matt Ranostay    2014-10-31  404  		if (of_property_read_bool(node, "microchip,irq-active-high")) {
322a552e195508 Jesse Taube      2021-11-02  405  			error = regmap_update_bits(priv->regmap,
322a552e195508 Jesse Taube      2021-11-02  406  						   CAP11XX_REG_CONFIG2,
322a552e195508 Jesse Taube      2021-11-02  407  						   CAP11XX_REG_CONFIG2_ALT_POL,
322a552e195508 Jesse Taube      2021-11-02  408  						   0);
6bdd2fd1ed6f66 Matt Ranostay    2014-10-31  409  			if (error)
6bdd2fd1ed6f66 Matt Ranostay    2014-10-31  410  				return error;
6bdd2fd1ed6f66 Matt Ranostay    2014-10-31  411  		}
322a552e195508 Jesse Taube      2021-11-02  412  	}
6bdd2fd1ed6f66 Matt Ranostay    2014-10-31  413  
c77fd0a42b24ac Matt Ranostay    2014-10-31  414  	/* Provide some useful defaults */
7609a5e973c43a Matt Ranostay    2014-10-31  415  	for (i = 0; i < cap->num_channels; i++)
diff mbox series

Patch

diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c
index 79afd0386e3f..ae226fb4fabd 100644
--- a/drivers/input/keyboard/cap11xx.c
+++ b/drivers/input/keyboard/cap11xx.c
@@ -99,6 +99,9 @@  enum {
 	CAP1126,
 	CAP1188,
 	CAP1206,
+	CAP1203,
+	CAP1293,
+	CAP1298
 };
 
 static const struct cap11xx_hw_model cap11xx_devices[] = {
@@ -106,6 +109,9 @@  static const struct cap11xx_hw_model cap11xx_devices[] = {
 	[CAP1126] = { .product_id = 0x53, .num_channels = 6, .num_leds = 2, .no_gain = false },
 	[CAP1188] = { .product_id = 0x50, .num_channels = 8, .num_leds = 8, .no_gain = false },
 	[CAP1206] = { .product_id = 0x67, .num_channels = 6, .num_leds = 0, .no_gain = true },
+	[CAP1203] = { .product_id = 0x6d, .num_channels = 3, .num_leds = 0, .no_gain = true },
+	[CAP1293] = { .product_id = 0x6f, .num_channels = 3, .num_leds = 0, .no_gain = false },
+	[CAP1298] = { .product_id = 0x71, .num_channels = 8, .num_leds = 0, .no_gain = false },
 };
 
 static const struct reg_default cap11xx_reg_defaults[] = {
@@ -377,7 +383,8 @@  static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
 	if (error < 0)
 		return error;
 
-	dev_info(dev, "CAP11XX detected, revision 0x%02x\n", rev);
+	dev_info(dev, "CAP11XX detected, model %s, revision 0x%02x\n",
+			id->name, rev);
 	node = dev->of_node;
 
 	if (!of_property_read_u32(node, "microchip,sensor-gain", &gain32)) {
@@ -390,7 +397,10 @@  static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
 			dev_err(dev, "Invalid sensor-gain value %d\n", gain32);
 	}
 
-	if (id->driver_data != CAP1206) {
+	if ((id->driver_data != CAP1206) ||
+		(id->driver_data != CAP1203) ||
+		(id->driver_data != CAP1293) ||
+		(id->driver_data != CAP1298)) {
 		if (of_property_read_bool(node, "microchip,irq-active-high")) {
 			error = regmap_update_bits(priv->regmap,
 						   CAP11XX_REG_CONFIG2,
@@ -484,6 +494,9 @@  static const struct of_device_id cap11xx_dt_ids[] = {
 	{ .compatible = "microchip,cap1126", },
 	{ .compatible = "microchip,cap1188", },
 	{ .compatible = "microchip,cap1206", },
+	{ .compatible = "microchip,cap1203", },
+	{ .compatible = "microchip,cap1293", },
+	{ .compatible = "microchip,cap1298", },
 	{}
 };
 MODULE_DEVICE_TABLE(of, cap11xx_dt_ids);
@@ -493,6 +506,9 @@  static const struct i2c_device_id cap11xx_i2c_ids[] = {
 	{ "cap1126", CAP1126 },
 	{ "cap1188", CAP1188 },
 	{ "cap1206", CAP1206 },
+	{ "cap1203", CAP1203 },
+	{ "cap1293", CAP1293 },
+	{ "cap1298", CAP1298 },
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, cap11xx_i2c_ids);