[PATCH 2/2] media: si2168: also cache Si2168 B40 fallback firmware

[Lukas Middendorf <kernel@tuxforce.de>]

we can not know beforehand whether we have to access that firmware
file during resume. We just request the caching so we don't run
into any problems later

Signed-off-by: Lukas Middendorf <kernel@tuxforce.de>
---
 drivers/media/dvb-frontends/si2168.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index ea4b2d91697e..f2dd1deb75ff 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -768,6 +768,19 @@ static int si2168_probe(struct i2c_client *client,
 				dev->firmware_name);
 	}
 
+	/* also request caching of fw for Si2168 B40 under its old file name.
+	 * Since we can't know now whether we might have to access that file,
+	 * we just make sure we have that covered
+	 */
+	if (dev->chip_id == SI2168_CHIP_ID_B40) {
+		ret = firmware_request_cache(&client->dev, SI2168_B40_FIRMWARE_FALLBACK);
+		if (ret) {
+			dev_err(&client->dev,
+					"firmware caching for '%s' failed\n",
+					SI2168_B40_FIRMWARE_FALLBACK);
+		}
+	}
+
 	return 0;
 err_kfree:
 	kfree(dev);
-- 
2.26.2