V4L/DVB (5355): Add VIDIOC_G_CHIP_IDENT to various i2c modules

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

8 files changed, 31 insertions, 0 deletions

diff --git a/drivers/media/video/cs53l32a.c b/drivers/media/video/cs53l32a.c
index de87247c74ee..a73e285af730 100644
--- a/drivers/media/video/cs53l32a.c
+++ b/drivers/media/video/cs53l32a.c
@@ -28,6 +28,7 @@
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC");
 MODULE_AUTHOR("Martin Vaughan");
@@ -103,6 +104,9 @@ static int cs53l32a_command(struct i2c_client *client, unsigned int cmd,
 		cs53l32a_write(client, 0x05, (u8) ctrl->value);
 		break;
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_CS53l32A, 0);
+
 	case VIDIOC_LOG_STATUS:
 		{
 			u8 v = cs53l32a_read(client, 0x01);
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index ba1af3c8525e..3bb7d6634862 100644
--- a/drivers/media/video/msp3400-driver.c
+++ b/drivers/media/video/msp3400-driver.c
@@ -773,6 +773,9 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
 		break;
 	}
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, state->ident, (state->rev1 << 16) | state->rev2);
+
 	default:
 		/* unknown */
 		return -EINVAL;
@@ -872,6 +875,8 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
 	snprintf(client->name, sizeof(client->name), "MSP%d4%02d%c-%c%d",
 			msp_family, msp_product,
 			msp_revision, msp_hard, msp_rom);
+	/* Rev B=2, C=3, D=4, G=7 */
+	state->ident = msp_family * 10000 + 4000 + msp_product * 10 + msp_revision - '@';
 
 	/* Has NICAM support: all mspx41x and mspx45x products have NICAM */
 	state->has_nicam = msp_prod_hi == 1 || msp_prod_hi == 5;
diff --git a/drivers/media/video/msp3400-driver.h b/drivers/media/video/msp3400-driver.h
index 7531efa1615e..ab69a290e5dc 100644
--- a/drivers/media/video/msp3400-driver.h
+++ b/drivers/media/video/msp3400-driver.h
@@ -50,6 +50,7 @@ extern int msp_stereo_thresh;
 
 struct msp_state {
 	int rev1, rev2;
+	int ident;
 	u8 has_nicam;
 	u8 has_radio;
 	u8 has_headphones;
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c
index d506dfaa45a9..426083c08986 100644
--- a/drivers/media/video/tvaudio.c
+++ b/drivers/media/video/tvaudio.c
@@ -33,6 +33,7 @@
 
 #include <media/tvaudio.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 #include <media/i2c-addr.h>
 
@@ -1775,6 +1776,9 @@ static int chip_command(struct i2c_client *client,
 			/* the thread will call checkmode() later */
 		}
 		break;
+
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
 	}
 	return 0;
 }
diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c
index 28d1133a3b7a..0b2a961efd22 100644
--- a/drivers/media/video/upd64031a.c
+++ b/drivers/media/video/upd64031a.c
@@ -27,6 +27,7 @@
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 #include <media/upd64031a.h>
 
 // --------------------- read registers functions define -----------------------
@@ -179,6 +180,9 @@ static int upd64031a_command(struct i2c_client *client, unsigned int cmd, void *
 	}
 #endif
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_UPD64031A, 0);
+
 	default:
 		break;
 	}
diff --git a/drivers/media/video/upd64083.c b/drivers/media/video/upd64083.c
index fe38224150d8..401bd21f46eb 100644
--- a/drivers/media/video/upd64083.c
+++ b/drivers/media/video/upd64083.c
@@ -26,6 +26,7 @@
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 #include <media/upd64083.h>
 
 MODULE_DESCRIPTION("uPD64083 driver");
@@ -155,6 +156,10 @@ static int upd64083_command(struct i2c_client *client, unsigned int cmd, void *a
 		break;
 	}
 #endif
+
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_UPD64083, 0);
+
 	default:
 		break;
 	}
diff --git a/drivers/media/video/wm8739.c b/drivers/media/video/wm8739.c
index a9b59c35cd67..8f6741a28a47 100644
--- a/drivers/media/video/wm8739.c
+++ b/drivers/media/video/wm8739.c
@@ -29,6 +29,7 @@
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("wm8739 driver");
 MODULE_AUTHOR("T. Adachi, Hans Verkuil");
@@ -236,6 +237,9 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg
 		return -EINVAL;
 	}
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8739, 0);
+
 	case VIDIOC_LOG_STATUS:
 		v4l_info(client, "Frequency: %u Hz\n", state->clock_freq);
 		v4l_info(client, "Volume L:  %02x%s\n", state->vol_l & 0x1f,
diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c
index d81a88bbe43d..4df5d30d4d09 100644
--- a/drivers/media/video/wm8775.c
+++ b/drivers/media/video/wm8775.c
@@ -33,6 +33,7 @@
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("wm8775 driver");
 MODULE_AUTHOR("Ulf Eklund, Hans Verkuil");
@@ -124,6 +125,9 @@ static int wm8775_command(struct i2c_client *client, unsigned int cmd,
 			wm8775_write(client, R21, 0x100 + state->input);
 		break;
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8775, 0);
+
 	case VIDIOC_LOG_STATUS:
 		v4l_info(client, "Input: %d%s\n", state->input,
 			    state->muted ? " (muted)" : "");