Eric Lee / linux-smarc-t335x-v3.2

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Commit b7eccc46a1dae153d0102c161b4ce4bddb3f52ba

Authored by Christian Gmeiner
Committed by Mauro Carvalho Chehab
1 parent cb26a24ee9
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

[media] adv7175: support s_power 

This patch adds s_power support to adv7175 driver. Power-down is done
by power-down all four DACs.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Showing 1 changed file with 11 additions and 0 deletions Side-by-side Diff

drivers/media/video/adv7175.c
Diff comments   View file @ b7eccc4
... ... @@ -303,11 +303,22 @@
303 303 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7175, 0);
304 304 }
305 305  
  306 +static int adv7175_s_power(struct v4l2_subdev *sd, int on)
  307 +{
  308 + if (on)
  309 + adv7175_write(sd, 0x01, 0x00);
  310 + else
  311 + adv7175_write(sd, 0x01, 0x78);
  312 +
  313 + return 0;
  314 +}
  315 +
306 316 /* ----------------------------------------------------------------------- */
307 317  
308 318 static const struct v4l2_subdev_core_ops adv7175_core_ops = {
309 319 .g_chip_ident = adv7175_g_chip_ident,
310 320 .init = adv7175_init,
  321 + .s_power = adv7175_s_power,
311 322 };
312 323  
313 324 static const struct v4l2_subdev_video_ops adv7175_video_ops = {